Rotary Tunneling Machine
|
patent
|
March 1909 |
Thermal Shock Drilling Bit
|
patent
|
April 1951 |
Flame Boring Apparatus
|
patent
|
April 1956 |
Method and Apparatus for the Drilling of Rock
|
patent
|
February 1964 |
Laser Welding Maching
|
patent
|
May 1968 |
Well Perforating Apparatus and Method
|
patent
|
August 1969 |
In Situ Recovery of Earth Minerals and Derivative Compounds by Laser
|
patent
|
February 1970 |
Method and Apparatus for the Production of Sonic or Ultrasonic Waves on a Surface
|
patent
|
March 1970 |
Treatment of Solid Materials
|
patent
|
November 1970 |
Tunneling by Lasers
|
patent
|
December 1970 |
Distribution and Cutting of Rocks, Glass and the Like
|
patent
|
January 1971 |
Thermal Insulating Tubing
|
patent
|
April 1971 |
Apparatus for Providing Energy Communication Between a Moving and a Stationary Terminal
|
patent
|
June 1971 |
Process for Extracting Oil from Oil Shale
|
patent
|
March 1972 |
Laser Beam Device and Method for Subterranean Recovery of Fluids
|
patent
|
September 1972 |
Method and Apparatus for Regulating the Resistance of Film Resistors
|
patent
|
October 1972 |
High Pressure Jet-Grouting Method
|
patent
|
April 1974 |
Apparatus and Method for Thermally Insulating an Oil Well
|
patent
|
June 1974 |
Hand-Held Laser Instrumentation Device
|
patent
|
June 1974 |
Reverse Circulating Sub for Fluid Flow Systems
|
patent
|
July 1974 |
Laser Beam Drill
|
patent
|
March 1975 |
Combination laser beam and sonic drill
|
patent
|
May 1975 |
Rotary drill bit
|
patent
|
February 1976 |
Holographic instrument for measuring stress in a borehole wall
|
patent
|
June 1976 |
Method for laser drilling subterranean earth formations
|
patent
|
August 1976 |
Optics module for borehole stress measuring instrument
|
patent
|
November 1976 |
Earth boring method employing high powered laser and alternate fluid pulses
|
patent
|
December 1976 |
Formation of load-bearing foundations by laser-beam irradiation of the soil
|
patent
|
April 1977 |
Conduit system
|
patent
|
May 1977 |
Method for in situ gasification of a subterranean coal bed
|
patent
|
May 1977 |
Subsea hydraulic choke
|
patent
|
September 1977 |
High-velocity jet digging method
|
patent
|
September 1977 |
Bit packer for dual tube drilling
|
patent
|
November 1977 |
In-situ laser retorting of oil shale
|
patent
|
December 1977 |
Earth boring apparatus employing high powered laser
|
patent
|
January 1978 |
Method and apparatus for laser treatment of geological formations
|
patent
|
May 1978 |
Laser drilling method and system of fossil fuel recovery
|
patent
|
September 1978 |
Apparatus and method for laser cutting
|
patent
|
November 1978 |
Laser pile cutter
|
patent
|
April 1979 |
Fiber optic well logging means and method
|
patent
|
July 1979 |
Well logging system
|
patent
|
February 1980 |
Composite tubing product
|
patent
|
March 1980 |
Method and apparatus for perforating oil and gas wells
|
patent
|
April 1980 |
Well perforating apparatus and method
|
patent
|
October 1980 |
Process for recovering viscous, combustible material
|
patent
|
October 1980 |
High-strength optical preforms and fibers with thin, high-compression outer layers
|
patent
|
January 1981 |
Method of manufacturing an optical fiber
|
patent
|
February 1981 |
Wellbore pressure testing method and apparatus
|
patent
|
February 1981 |
Flexible composite tube
|
patent
|
March 1981 |
Method of extracting liquid and gaseous fuel from oil shale and tar sand
|
patent
|
May 1981 |
Inner tube assembly for dual conduit drill pipe
|
patent
|
July 1981 |
Device for excellently coupling a laser beam to a transmission medium through a lens
|
patent
|
August 1981 |
Apparatus for perforating oil and gas wells
|
patent
|
August 1981 |
Insulated casing assembly
|
patent
|
June 1982 |
Flexible production tubing
|
patent
|
June 1982 |
Insulated prestressed conduit string for heated fluids
|
patent
|
July 1982 |
Multiple sheath cable and method of manufacture
|
patent
|
January 1983 |
In situ measurement of gas content in formation fluid
|
patent
|
February 1983 |
Flexible production tubing
|
patent
|
February 1983 |
Formation tester
|
patent
|
March 1983 |
Well logging fiber optic communication system
|
patent
|
June 1983 |
High temperature insulated casing
|
patent
|
November 1983 |
Flexible heat-insulated pipe-line for in particular cryogenic fluids
|
patent
|
November 1983 |
Truck operator's cab with equipment control station
|
patent
|
March 1984 |
Insulating tubular conduit apparatus
|
patent
|
April 1984 |
Concentric tubing having bonded insulation within the annulus
|
patent
|
June 1984 |
Concentric insulated tubing string
|
patent
|
July 1984 |
Concentric insulated tubing string
|
patent
|
October 1984 |
Hermetically sealed optical fiber
|
patent
|
March 1985 |
Armored cable containing a hermetically sealed tube incorporating an optical fiber
|
patent
|
June 1985 |
Concentric insulating conduit
|
patent
|
July 1985 |
Laser pipe welder/cutter
|
patent
|
August 1985 |
Method for installing cable using an inner duct
|
patent
|
January 1986 |
Electrically stimulated well production system with flexible tubing conductor
|
patent
|
May 1987 |
Conduit
|
patent
|
September 1987 |
Multiple pass optical rotary joint
|
patent
|
February 1988 |
Focused shock spark discharge drill using multiple electrodes
|
patent
|
May 1988 |
Wellbore cleanout apparatus and method
|
patent
|
May 1988 |
Heat and radiation resistant optical fiber
|
patent
|
September 1988 |
Heat insulating tube
|
patent
|
December 1988 |
Well pumping method and apparatus
|
patent
|
May 1989 |
Implosion shaped charge perforator
|
patent
|
August 1989 |
Implosion shaped charge perforator
|
patent
|
August 1989 |
Flat bottom drilling bit with polycrystalline cutters
|
patent
|
October 1989 |
Fiber optic sensors
|
patent
|
May 1990 |
Process for cutting a material by means of a laser beam
|
patent
|
August 1990 |
Transmission system for telephone communications or data transfer
|
patent
|
January 1991 |
Fiber output coupler with beam shaping optics for laser materials processing system
|
patent
|
March 1991 |
Microwave assisted hard rock cutting
|
patent
|
March 1991 |
Apparatus for employing destructive resonance
|
patent
|
April 1991 |
Conduit of well cleaning and pumping device and method of use thereof
|
patent
|
July 1991 |
Laser-enhanced oil correlation system
|
patent
|
September 1991 |
Fluorescence sensing apparatus for determining presence of native hydrocarbons from drilling mud
|
patent
|
January 1992 |
Device and installation for the cleaning of drains, particularly in a petroleum production well
|
patent
|
February 1992 |
Rock melting excavation process
|
patent
|
April 1992 |
Method and apparatus for installing electrical logging cable inside coiled tubing
|
patent
|
June 1992 |
Undersea telecommunications cable having optical fibers in a tube
|
patent
|
June 1992 |
Lightweight optical fiber cable
|
patent
|
June 1992 |
Device for measuring reflectance and fluorescence of in-situ soil
|
patent
|
July 1992 |
Optical fiber cables and components thereof containing an homogeneous barrier mixture suitable to protect optical fibers from hydrogen, and relative homogeneous barrier mixture
|
patent
|
August 1992 |
Borehole pressure and temperature measurement system
|
patent
|
November 1992 |
Profile melting-drill process and device
|
patent
|
December 1992 |
Subsea well pressure monitor
|
patent
|
December 1992 |
Armored fiber optic cables
|
patent
|
May 1993 |
Coil tubing supported electrical submersible pump
|
patent
|
December 1993 |
Coil tubing string and downhole generator
|
patent
|
February 1994 |
Device for carrying out measuring and servicing operations in a well bore, comprising tubing having a rod centered therein, process for assembling the device and use of the device in an oil well
|
patent
|
September 1994 |
Coiled tubing system used for the evaluation of stimulation candidate wells
|
patent
|
October 1994 |
Methods of perforating and testing wells using coiled tubing
|
patent
|
October 1994 |
Underbalance jet pump drilling method
|
patent
|
October 1994 |
Apparatus and process for employing synergistic destructive powers of a water stream and a laser beam
|
patent
|
October 1994 |
Force sensor and sensing method using crystal rods and light signals
|
patent
|
March 1995 |
Spoolable flexible hydraulically set, straight pull release well packer
|
patent
|
May 1995 |
Spoolable coiled tubing completion system
|
patent
|
May 1995 |
Drilling a well gas supply in the drilling liquid
|
patent
|
May 1995 |
Detonation system
|
patent
|
May 1995 |
Spoolable coiled tubing completion system
|
patent
|
May 1995 |
Reeled tubing support for downhole equipment module
|
patent
|
May 1995 |
Spoolable flexible hydraulic controlled coiled tubing safety valve
|
patent
|
June 1995 |
Spoolable coiled tubing completion system
|
patent
|
June 1995 |
Anchored wavey conduit in coiled tubing
|
patent
|
July 1995 |
Method for running downhole tools and devices with coiled tubing
|
patent
|
July 1995 |
Submarine cable having a centrally located tube containing optical fibers
|
patent
|
October 1995 |
Spoolable flexible hydraulic controlled annular control valve
|
patent
|
November 1995 |
Coiled tubing concentric gas lift valve assembly
|
patent
|
November 1995 |
Shaped-charge with simultaneous multi-point initiation of explosives
|
patent
|
January 1996 |
Spoolable coiled tubing mandrel and gas lift valves
|
patent
|
January 1996 |
Spoolable flexible sliding sleeve
|
patent
|
February 1996 |
Laser diode/lens assembly
|
patent
|
March 1996 |
Method and apparatus for testing wells using dual coiled tubing
|
patent
|
April 1996 |
Method and apparatus for the injection of cable into coiled tubing
|
patent
|
April 1996 |
Measuring device and method in a hydrocarbon production well
|
patent
|
April 1996 |
Apparatus and method for installing coiled tubing in a well
|
patent
|
May 1996 |
Device for drilling holes in the crust of the earth, especially for drilling oil wells
|
patent
|
June 1996 |
Casingless down-hole for sealing an ablation volume and obtaining a sample for analysis
|
patent
|
October 1996 |
Improved coil tubing injector unit
|
patent
|
October 1996 |
Means for placing cable within coiled tubing
|
patent
|
November 1996 |
Fluid-actuated wellbore tool system
|
patent
|
November 1996 |
Method and apparatus for drilling with high-pressure, reduced solid content liquid
|
patent
|
December 1996 |
Apparatus for the injection of cable into coiled tubing
|
patent
|
February 1997 |
Laser diode/lens assembly
|
patent
|
March 1997 |
Safeguarded method and apparatus for fluid communiction using coiled tubing, with application to drill stem testing
|
patent
|
June 1997 |
Low profile and lightweight high pressure blowout preventer
|
patent
|
August 1997 |
Fiber optic laser system and associated lasing method
|
patent
|
December 1997 |
Silicone oil-based drilling fluids
|
patent
|
January 1998 |
BOP with partially equalized ram shafts
|
patent
|
April 1998 |
Standoff laser induced-breakdown spectroscopy penetrometer system
|
patent
|
May 1998 |
Sensor and method for detecting trace underground energetic materials
|
patent
|
June 1998 |
Continuous drilling of vertical boreholes by thermal processes: including rock spallation and fusion
|
patent
|
June 1998 |
Water laser machine tool
|
patent
|
June 1998 |
Wellbore tractor and method of moving an item through a wellbore
|
patent
|
August 1998 |
Apparatus for completing a subterranean well and associated methods of using same
|
patent
|
September 1998 |
Composite coiled tubing apparatus and methods
|
patent
|
October 1998 |
Phased array Raman laser amplifier and operating method therefor
|
patent
|
November 1998 |
Apparatus for completing a subterranean well and associated methods of using same
|
patent
|
November 1998 |
Apparatus and method for detection and concentration measurement of trace metals using laser induced breakdown spectroscopy
|
patent
|
December 1998 |
Fiber optic probe with integral optical filtering
|
patent
|
January 1999 |
Apparatus for completing a subterranean well and associated methods of using same
|
patent
|
January 1999 |
Cutting unit for pipes produced in continuous lengths
|
patent
|
January 1999 |
Optical fiber cable for underwater use using terrestrial optical fiber cable
|
patent
|
April 1999 |
Portable electrohydraulic mining drill
|
patent
|
April 1999 |
Method and apparatus for machining material with a liquid-guided laser beam
|
patent
|
May 1999 |
Solid-state spectrally-pure linearly-polarized pulsed fiber amplifier laser system useful for ultraviolet radiation generation
|
patent
|
June 1999 |
Spoolable composite tubular member with energy conductors
|
patent
|
June 1999 |
Method of severing a downhole pipe in a well borehole
|
patent
|
July 1999 |
Synchronous spectral line imaging methods and apparatus
|
patent
|
July 1999 |
Composite coiled tubing apparatus and methods
|
patent
|
August 1999 |
Submerged laser beam irradiation equipment
|
patent
|
August 1999 |
Fiber optic gyroscope coil lead dressing and method for forming the same
|
patent
|
October 1999 |
Apparatus for working on a tube portion using a laser beam, and use thereof on pipe tubes on a marine pipe-laying or pipe recovery barge
|
patent
|
November 1999 |
Spectroscopic probe with leak detection
|
patent
|
November 1999 |
Spoolable flexible hydraulically set, straight pull release well packer
|
patent
|
January 2000 |
Insulated and/or concentric coiled tubing
|
patent
|
January 2000 |
Fiber-optic spectroscopic probe with reduced background luminescence
|
patent
|
March 2000 |
Apparatus for completing a subterranean well and associated methods of using same
|
patent
|
May 2000 |
Fiber optic well logging cable
|
patent
|
May 2000 |
Composite coiled tubing apparatus and methods
|
patent
|
May 2000 |
Spoolable coiled tubing completion system
|
patent
|
June 2000 |
Apparatus for completing a subterranean well and associated methods of using same
|
patent
|
June 2000 |
Method and device for welding with welding beam control
|
patent
|
July 2000 |
Apparatus for completing a subterranean well and associated methods of using same
|
patent
|
July 2000 |
Linear aperture pseudospark switch
|
patent
|
August 2000 |
Spoolable flexible hydraulic controlled coiled tubing safety valve
|
patent
|
September 2000 |
Apparatus for completing a subterranean well and associated methods of using same
|
patent
|
September 2000 |
Apparatus for completing a subterranean well and associated methods of using same
|
patent
|
October 2000 |
Laser induced breakdown spectroscopy soil contamination probe
|
patent
|
November 2000 |
Modified formation testing apparatus and method
|
patent
|
December 2000 |
Method for determining the relative clay content of well core
|
patent
|
December 2000 |
Electrohydraulic pressure wave projectors
|
patent
|
April 2001 |
Respiratory suction catheter apparatus
|
patent
|
May 2001 |
Producing hydrocarbons from well with underground reservoir
|
patent
|
June 2001 |
Dynamically positioned, concentric riser, drilling method and apparatus
|
patent
|
August 2001 |
Method of and apparatus for subsurface exploration
|
patent
|
August 2001 |
Monitoring of downhole parameters and tools utilizing fiber optics
|
patent
|
August 2001 |
Method for reducing strain on bragg gratings
|
patent
|
October 2001 |
Internally profiled stator tube
|
patent
|
October 2001 |
Method of and probe for subsurface exploration
|
patent
|
November 2001 |
Deep ocean riser positioning system and method of running casing
|
patent
|
March 2002 |
Fiber optic tomographic imaging of borehole fluids
|
patent
|
March 2002 |
Optical fiber grating package
|
patent
|
March 2002 |
Modularized fiber optic laser system and associated optical amplification modules
|
patent
|
April 2002 |
Pressure impulse telemetry apparatus and method
|
patent
|
May 2002 |
Formation cutting method and system
|
patent
|
May 2002 |
Marine riser
|
patent
|
June 2002 |
Nozzle system for laser beam cutting
|
patent
|
July 2002 |
Permanent optical sensor downhole fluid analysis systems
|
patent
|
August 2002 |
Monitoring fluid flow through a filter
|
patent
|
September 2002 |
Downhole flame spray welding tool system and method
|
patent
|
December 2002 |
Method and apparatus using coiled-in-coiled tubing
|
patent
|
December 2002 |
Optical fiber deployment system and cable
|
patent
|
May 2003 |
Bottomhole assembly and methods of use
|
patent
|
May 2003 |
Method of maintaining mobile terminal synchronization during idle communication periods
|
patent
|
May 2003 |
Method for protecting optical fibers embedded in the armor of a tow cable
|
patent
|
July 2003 |
Aluminum riser apparatus, system and method
|
patent
|
September 2003 |
Dry geothermal drilling and recovery system
|
patent
|
September 2003 |
Pipeline monitoring systems
|
patent
|
November 2003 |
Pressure impulse telemetry apparatus and method
|
patent
|
March 2004 |
Partial coil-in-coil tubing
|
patent
|
March 2004 |
System and technique for monitoring and managing the deployment of subsea equipment
|
patent
|
April 2004 |
Single and/or dual surface automatic edge sensing trimmer
|
patent
|
May 2004 |
Multi-parameter interferometric fiber optic sensor
|
patent
|
June 2004 |
Downhole lens assembly for use with high power lasers for earth boring
|
patent
|
June 2004 |
Disconnect check valve mechanism for coiled tubing
|
patent
|
October 2004 |
Bottom hole assembly
|
patent
|
December 2004 |
Downhole sensing with fiber in exterior annulus
|
patent
|
January 2005 |
Laser liner creation apparatus and method
|
patent
|
February 2005 |
Raman spectroscopy crystallization analysis method
|
patent
|
March 2005 |
Laser boring method and system
|
patent
|
March 2005 |
Distributed flow properties wellbore measurement system
|
patent
|
April 2005 |
Laser wellbore completion apparatus and method
|
patent
|
April 2005 |
Anisotropic distributed feedback fiber laser sensor
|
patent
|
April 2005 |
Fiber optics laser perforation tool
|
patent
|
May 2005 |
Method and apparatus for performing rapid isotopic analysis via laser spectroscopy
|
patent
|
May 2005 |
Use of cesium as a tracer in coring operations
|
patent
|
July 2005 |
Method and system for monitoring smart structures utilizing distributed optical sensors
|
patent
|
July 2005 |
Method and apparatus for determining flow rates
|
patent
|
July 2005 |
Inverted motor for drilling rocks, soils and man-made materials and for re-entry and cleanout of existing wellbores and pipes
|
patent
|
July 2005 |
Well system
|
patent
|
August 2005 |
Subterranean well pressure and temperature measurement
|
patent
|
October 2005 |
Method and apparatus for performing rapid isotopic analysis via laser spectroscopy
|
patent
|
November 2005 |
Providing a light cell in a wellbore
|
patent
|
December 2005 |
Downhole sensing with fiber in the formation
|
patent
|
December 2005 |
Downhole cutting mill
|
patent
|
January 2006 |
Linear displacement measurement method and apparatus
|
patent
|
February 2006 |
Inkjet ink having yellow dye mixture
|
patent
|
May 2006 |
Use of distributed temperature sensors during wellbore treatments
|
patent
|
June 2006 |
Inverted motor for drilling rocks, soils and man-made materials and for re-entry and cleanout of existing wellbores and pipes
|
patent
|
June 2006 |
Apparatus for acoustic detection of particles in a flow using a fiber optic interferometer
|
patent
|
July 2006 |
Multiplexed distribution of optical power
|
patent
|
July 2006 |
Determination of thermal properties of a formation
|
patent
|
August 2006 |
Heat warning safety device using fiber optic cables
|
patent
|
August 2006 |
Optical fibre means
|
patent
|
August 2006 |
Downhole high resolution NMR spectroscopy with polarization enhancement
|
patent
|
October 2006 |
Isolation assembly for coiled tubing
|
patent
|
November 2006 |
Dual wall drill string assembly
|
patent
|
November 2006 |
Optical fiber conveyance, telemetry, and/or actuation
|
patent
|
November 2006 |
Laser spectroscopy/chromatography drill bit and methods
|
patent
|
December 2006 |
Dual wall drill string assembly
|
patent
|
December 2006 |
Method of cutting an object and of further processing the cut material, and carrier for holding the object and the cut material
|
patent
|
January 2007 |
Apparatus to allow a coiled tubing tractor to traverse a horizontal wellbore
|
patent
|
February 2007 |
Well system
|
patent
|
February 2007 |
Method and apparatus for spatial domain multiplexing in optical fiber communications
|
patent
|
February 2007 |
Downhole filter
|
patent
|
March 2007 |
Method for preparing and processing a sample for intensive analysis
|
patent
|
March 2007 |
Method and apparatus for a tunable diode laser spectrometer for analysis of hydrocarbon samples
|
patent
|
March 2007 |
Combined Bragg grating wavelength interrogator and Brillouin backscattering measuring instrument
|
patent
|
April 2007 |
Method and apparatus for aligning rotor in stator of a rod driven well pump
|
patent
|
April 2007 |
Method and apparatus for obtaining a micro sample downhole
|
patent
|
May 2007 |
Imaging sensor optical system
|
patent
|
May 2007 |
Release tool for coiled tubing
|
patent
|
July 2007 |
Subsea intervention
|
patent
|
September 2007 |
Plasma channel drilling process
|
patent
|
September 2007 |
Apparatus to allow a coiled tubing tractor to traverse a horizontal wellbore
|
patent
|
September 2007 |
Assembly and method for determining thermal properties of a formation and forming a liner
|
patent
|
February 2008 |
Method and system for reservoir characterization in connection with drilling operations
|
patent
|
March 2008 |
Method and apparatus for a downhole spectrometer based on electronically tunable optical filters
|
patent
|
April 2008 |
Off-axis rotary joint
|
patent
|
May 2008 |
Measuring the weight on a drill bit during drilling operations using coherent radiation
|
patent
|
July 2008 |
Launch monitor
|
patent
|
July 2008 |
Method and apparatus for blow-out prevention in subsea drilling/completion systems
|
patent
|
July 2008 |
Pulsed electric rock drilling apparatus
|
patent
|
August 2008 |
Methods of using a laser to spall and drill holes in rocks
|
patent
|
August 2008 |
Fiber optic cable for use in harsh environments
|
patent
|
September 2008 |
High throughput reconfigurable data analysis system
|
patent
|
December 2008 |
Methods of using a laser to perforate composite structures of steel casing, cement and rocks
|
patent
|
February 2009 |
Drilling, perforating and formation analysis
|
patent
|
February 2009 |
Methods of well stimulation during drilling operations
|
patent
|
March 2009 |
Two-channel, dual-mode, fiber optic rotary joint
|
patent
|
April 2009 |
Assembly and method for determining thermal properties of a formation and forming a liner
|
patent
|
April 2009 |
Multi-channel, multi-spectrum imaging spectrometer
|
patent
|
April 2009 |
Portable electrocrushing drill
|
patent
|
May 2009 |
Method of drilling using pulsed electric drilling
|
patent
|
May 2009 |
Portable and directional electrocrushing drill
|
patent
|
July 2009 |
Single-mode optical fiber
|
patent
|
September 2009 |
Coiled tubing swivel assembly
|
patent
|
October 2009 |
High strength-to-weight-ratio slickline and multiline cables
|
patent
|
October 2009 |
System and methods using fiber optics in coiled tubing
|
patent
|
November 2009 |
Methods and compositions for thermally treating a conduit used for hydrocarbon production or transmission to help remove paraffin wax buildup
|
patent
|
December 2009 |
Measuring the weight on a drill bit during drilling operations using coherent radiation
|
patent
|
December 2009 |
Fiber optic cable systems and methods to prevent hydrogen ingress
|
patent
|
January 2010 |
Composite spoolable tube
|
patent
|
January 2010 |
Method and apparatus for an advanced optical analyzer
|
patent
|
March 2010 |
High power optical isolator
|
patent
|
May 2010 |
High-temperature downhole devices
|
patent
|
May 2010 |
Intervention rod
|
patent
|
August 2010 |
Method and device for excavating submerged stratum
|
patent
|
September 2010 |
Downhole power source
|
patent
|
November 2010 |
Fiber laser system
|
patent
|
December 2010 |
Method and apparatus for logging a well using a fiber optic line and sensors
|
patent
|
March 2011 |
Drilling, perforating and formation analysis
|
patent
|
May 2011 |
Apparatus and methods for continuous tomography of cores
|
patent
|
September 2011 |
Method for removing oilfield mineral scale from pipes and tubing
|
patent
|
December 2011 |
Equipment for excavation of deep boreholes in geological formation and the manner of energy and material transport in the boreholes
|
patent
|
December 2011 |
Methods useful for controlling fluid loss in subterranean formations
|
patent
|
January 2012 |
System and method for drilling a borehole
|
patent
|
February 2012 |
Fiber optic cables coupling and methods therefor
|
patent
|
May 2012 |
Open water recoverable drilling protector
|
patent
|
December 2012 |
Composite coiled tubing with embedded fiber optic sensors
|
patent-application
|
January 2002 |
Multiplexed distribution of optical power
|
patent-application
|
April 2002 |
System and technique for monitoring and managing the deployment of subsea equipment
|
patent-application
|
December 2002 |
Dry geothermal drilling and recovery system
|
patent-application
|
January 2003 |
Optical fiber having temperature independent optical characteristics
|
patent-application
|
March 2003 |
Inverted motor for drilling rocks, soils and man-made materials and for re-entry and cleanout of existing wellbores and pipes
|
patent-application
|
March 2003 |
Mounts for blowout preventer bonnets
|
patent-application
|
May 2003 |
Method and system for monitoring smart structures utilizing distributed optical sensors
|
patent-application
|
May 2003 |
Downhole lens assembly for use with high power lasers for earth boring
|
patent-application
|
July 2003 |
Subsea production system
|
patent-application
|
August 2003 |
Optical fiber cable
|
patent-application
|
August 2003 |
Method and apparatus for performing rapid isotopic analysis via laser spectroscopy
|
patent-application
|
August 2003 |
Laser boring method and system
|
patent-application
|
December 2003 |
Method and apparatus for determining flow rates
|
patent-application
|
January 2004 |
Subterranean well pressure and temperature measurement
|
patent-application
|
January 2004 |
Universal downhole tool control apparatus and methods
|
patent-application
|
February 2004 |
Method for cutting an object and or further processing the cut material an carrier for holding the object and the cut material
|
patent-application
|
February 2004 |
Apparatus for a coustic detection of particles in a flow using a fibre optic interferometer
|
patent-application
|
February 2004 |
High impact waterjet nozzle
|
patent-application
|
April 2004 |
Anisotropic distributed feedback fiber laser sensor
|
patent-application
|
May 2004 |
Downhole cutting mill
|
patent-application
|
June 2004 |
Downhole high resolution NMR spectroscopy with polarization enhancement
|
patent-application
|
June 2004 |
Use of Distributed Temperature Sensors During Wellbore Treatments
|
patent-application
|
July 2004 |
Laser liner creation apparatus and method
|
patent-application
|
October 2004 |
Laser wellbore completion apparatus and method
|
patent-application
|
October 2004 |
High throughput reconfigurable data analysis system
|
patent-application
|
October 2004 |
Imaging sensor optical system
|
patent-application
|
October 2004 |
Method and apparatus for an advanced optical analyzer
|
patent-application
|
November 2004 |
Determination of thermal properties of a formation
|
patent-application
|
December 2004 |
Fiber optic sensing systems and methods
|
patent-application
|
December 2004 |
Fiber optics laser perforation tool
|
patent-application
|
December 2004 |
Method and apparatus for a tunable diode laser spectrometer for analysis of hydrocarbon samples
|
patent-application
|
January 2005 |
Method for preparing and processing a sample for intensive analysis
|
patent-application
|
January 2005 |
Optical fiber conveyance, telemetry, and/or actuation
|
patent-application
|
February 2005 |
Combined Bragg grating wavelength interrogator and brillouin backscattering measuring instrument
|
patent-application
|
May 2005 |
Method and apparatus for a downhole spectrometer based on electronically tunable optical filters
|
patent-application
|
May 2005 |
Well system
|
patent-application
|
June 2005 |
Dual property hydraulic configuration
|
patent-application
|
June 2005 |
Inverted motor for drilling rocks, soils and man-made materials and for re-entry and cleanout of existing wellbores and pipes
|
patent-application
|
September 2005 |
Apparatus, Method, and Computer Program Product for Testing Waveguided Display System and Components
|
patent-application
|
September 2005 |
Methods of well stimulation during drilling operations
|
patent-application
|
October 2005 |
Method and system for reservoir characterization in connection with drilling operations
|
patent-application
|
November 2005 |
System and methods using fiber optics in coiled tubing
|
patent-application
|
December 2005 |
Launch monitor
|
patent-application
|
December 2005 |
Laser spectroscopy/chromatography drill bit and methods
|
patent-application
|
December 2005 |
Launch monitor
|
patent-application
|
December 2005 |
Launch monitor
|
patent-application
|
December 2005 |
Launch monitor
|
patent-application
|
December 2005 |
Launch monitor
|
patent-application
|
December 2005 |
Multi-channel, multi-spectrum imaging spectrometer
|
patent-application
|
February 2006 |
Radiation monitoring apparatus, systems, and methods
|
patent-application
|
March 2006 |
Process and arrangement for superimposing ray bundles
|
patent-application
|
March 2006 |
Measuring the weight on a drill bit during drilling operations using coherent radiation
|
patent-application
|
April 2006 |
Drilling, perforating and formation analysis
|
patent-application
|
May 2006 |
Well perforating for increased production
|
patent-application
|
June 2006 |
Methods useful for controlling fluid loss in subterranean formations
|
patent-application
|
June 2006 |
Assembly and method for determining thermal properties of a formation and forming a liner
|
patent-application
|
August 2006 |
Assembly for determining thermal properties of a formation while drilling or perforating
|
patent-application
|
August 2006 |
Apparatus for providing optical radiation
|
patent-application
|
September 2006 |
Drilling tool for drilling web of channels for hydrocarbon recovery
|
patent-application
|
September 2006 |
Methods of using a laser to perforate composite structures of steel casing, cement and rocks
|
patent-application
|
October 2006 |
Methods of using a laser to spall and drill holes in rocks
|
patent-application
|
October 2006 |
Off-axis rotary joint
|
patent-application
|
November 2006 |
Methods useful for controlling fluid loss during sand control operations
|
patent-application
|
November 2006 |
Method useful for controlling fluid loss in subterranean formations
|
patent-application
|
December 2006 |
Fiber optic sensor capable of using optical power to sense a parameter
|
patent-application
|
December 2006 |
Method and apparatus for a downhole excavation in a wellbore
|
patent-application
|
February 2007 |
Apparatus and method for estimating filtrate contamination in a formation fluid
|
patent-application
|
April 2007 |
Method For Monitoring Fluid Properties
|
patent-application
|
June 2007 |
Laser machining of a workpiece
|
patent-application
|
August 2007 |
Two-channel, dual-mode, fiber optic rotary joint
|
patent-application
|
September 2007 |
Well Servicing Methods And Systems
|
patent-application
|
October 2007 |
Borehole Imaging
|
patent-application
|
October 2007 |
Raman Amplifier, Optical Repeater, And Raman Amplification Method
|
patent-application
|
October 2007 |
Methane extraction method and apparatus using high-energy diode lasers or diode-pumped solid state lasers
|
patent-application
|
November 2007 |
Method and Device for Generating a Jet of Fluid for Material Processing and Fluid Nozzle for Use in Said Device
|
patent-application
|
December 2007 |
Single-mode Optical Fiber
|
patent-application
|
December 2007 |
Method For Removing Oilfield Mineral Scale From Pipes And Tubing
|
patent-application
|
January 2008 |
Assembly and Method for Determining Thermal Properties of a Formation and Forming a Liner
|
patent-application
|
March 2008 |
Coiled Tubing Tractor Assembly
|
patent-application
|
March 2008 |
Method and System for Forming a Non-Circular Borehole
|
patent-application
|
April 2008 |
Method of storage of sequestered greenhouse gasses in deep underground reservoirs
|
patent-application
|
May 2008 |
Downhole power source
|
patent-application
|
June 2008 |
Microstructured Optical Fiber
|
patent-application
|
June 2008 |
Laser Diode Array Downhole Spectrometer
|
patent-application
|
July 2008 |
Method and Apparatus for Performing Laser Operations Downhole
|
patent-application
|
July 2008 |
High power optical apparatus employing large-mode-area, multimode, gain-producing optical fibers
|
patent-application
|
July 2008 |
System and Method for Drilling a Borehole
|
patent-application
|
October 2008 |
Sensing System Using Optical Fiber Suited to High Temperatures
|
patent-application
|
November 2008 |
Measuring The Weight On A Drill Bit During Drilling Operations Using Coherent Radiation
|
patent-application
|
January 2009 |
System And Method For Cutting A Web To Provide A Covering
|
patent-application
|
February 2009 |
System And Method For Long Term Power In Well Applications
|
patent-application
|
February 2009 |
Tool For Reporting The Status And Drill-Down Of A Control Application In An Automated Manufacturing Environment
|
patent-application
|
February 2009 |
Pulsed Electric Rock Drilling Apparatus with Non-Rotating Bit and Directional Control
|
patent-application
|
February 2009 |
Apparatus and Methods For Continuous Coring
|
patent-application
|
March 2009 |
Sensors For Estimating Properties Of A Core
|
patent-application
|
April 2009 |
Method and device for excavating submerged stratum
|
patent-application
|
May 2009 |
Drilling, Perforating And Formation Analysis
|
patent-application
|
May 2009 |
Method, Drilling Machine, Drill bit and Bottom Hole Assembly for Drilling by Electrical Discharge by Electrical Discharge Pulses
|
patent-application
|
May 2009 |
Apparatus and Methods for Continuous Tomography of Cores
|
patent-application
|
June 2009 |
Purging Of Fiber Optic Conduits In Subterranean Wells
|
patent-application
|
July 2009 |
Fiber Optic Cable Having a Dry Insert
|
patent-application
|
July 2009 |
Inverted Drainholes
|
patent-application
|
August 2009 |
Methods and Systems for Using a Laser to Clean Hydrocarbon Transfer Conduits
|
patent-application
|
August 2009 |
Intervention Rod
|
patent-application
|
October 2009 |
Apparatus and Method for Removing Subsea Structures
|
patent-application
|
October 2009 |
System And Method For Deploying Optical Fiber
|
patent-application
|
October 2009 |
Integrating Sphere Photovoltaic Receiver (Powersphere) For Laser Light To Electric Power Conversion
|
patent-application
|
November 2009 |
Method And Apparatus For A Downhole Excavation In A Wellbore
|
patent-application
|
November 2009 |
Single-Mode Optical Fiber Having Reduced Bending Losses
|
patent-application
|
November 2009 |
Optical Contacting Enhanced By Hydroxide Ions In A Non-Aqueous Solution
|
patent-application
|
December 2009 |
Reducing Back-Reflections in Laser Processing Systems
|
patent-application
|
December 2009 |
Dry Fiber Optic Cables and Assemblies
|
patent-application
|
December 2009 |
Apparatus and Method for Electrocrushing Rock
|
patent-application
|
January 2010 |
Method of Processing Rock with Laser and Apparatus for the Same
|
patent-application
|
January 2010 |
Downhole Cables with Both Fiber and Copper Elements
|
patent-application
|
January 2010 |
Downhole Telemetry System Using an Optically Transmissive Fluid Media and Method for Use of Same
|
patent-application
|
January 2010 |
System and Methods Using Fiber Optics in Coiled Tubing
|
patent-application
|
January 2010 |
Methods and Systems to Activate Downhole Tools with Light
|
patent-application
|
February 2010 |
Method and System for Forming a Non-Circular Borehole
|
patent-application
|
February 2010 |
Methods and Apparatus for Removal and Control of Material in Laser Drilling of a Borehole
|
patent-application
|
February 2010 |
Method and System for Advancement of a Borehole Using a High Power Laser
|
patent-application
|
February 2010 |
Apparatus for Advancing a Wellbore Using High Power Laser Energy
|
patent-application
|
February 2010 |
Methods and Apparatus for Delivering High Power Laser Energy to a Surface
|
patent-application
|
February 2010 |
Method and Apparatus for Delivering High Power Laser Energy Over Long Distances
|
patent-application
|
February 2010 |
Electrically Non-Conductive Sleeve for Use in Wellbore Instrumentation
|
patent-application
|
March 2010 |
Laser Assisted Drilling
|
patent-application
|
April 2010 |
Optical Coiled Tubing Log Assembly
|
patent-application
|
April 2010 |
Coiled Tubing Gamma Ray Detector
|
patent-application
|
April 2010 |
Methods and Apparatus for Wellbore Enhancement
|
patent-application
|
April 2010 |
Methods and Apparatus for Thermal Drilling
|
patent-application
|
April 2010 |
Methods and Apparatus for Thermal Drilling
|
patent-application
|
April 2010 |
Fiber Optic Slickline and Tools
|
patent-application
|
June 2010 |
Method Of And System For Hydrocarbon Recovery
|
patent-application
|
July 2010 |
Modular Well Tool System
|
patent-application
|
July 2010 |
Process And Apparatus For Subterranean Drilling
|
patent-application
|
July 2010 |
Laser-Based Material Processing Methods And Systems
|
patent-application
|
August 2010 |
Resistor Random Access Memory Cell Device
|
patent-application
|
August 2010 |
Optical Fiber Cable for Transmission of High Power Laser Energy Over Great Distances
|
patent-application
|
August 2010 |
Methods and Apparatus for Mechanical and Thermal Drilling
|
patent-application
|
September 2010 |
Equipment For Excavation Of Deep Boreholes In Geological Formation And The Manner Of Energy And Material Transport In The Boreholes
|
patent-application
|
September 2010 |
Water Jet Guided Laser Device Having Light Guide Pipe
|
patent-application
|
September 2010 |
Method For Removing Hydrate Plug From A Flowline
|
patent-application
|
September 2010 |
Wellbore Laser Operations
|
patent-application
|
December 2010 |
Methods And Apparatus For Subsea Well Intervention And Subsea Wellhead Retrieval
|
patent-application
|
December 2010 |
Linear Multi-Cylinder Stirling Cycle Machine
|
patent-application
|
February 2011 |
Carbon Capture And Storage
|
patent-application
|
February 2011 |
Utilizing Salts For Carbon Capture And Storage
|
patent-application
|
February 2011 |
Dissolvable Bridge Plug
|
patent-application
|
March 2011 |
Formation of Fractures Within Horizontal Well
|
patent-application
|
March 2011 |
System and Method for Drilling and Competing Lateral Boreholes
|
patent-application
|
April 2011 |
Downhole Tool Delivery System With Self Activating Perforation Gun
|
patent-application
|
June 2011 |
Adjustable Testing Tool and Method of Use
|
patent-application
|
June 2011 |
Retrieval Method For Opposed Slip Type Packers
|
patent-application
|
June 2011 |
Open-Hole Wellbore Lining
|
patent-application
|
July 2011 |
Bitless Drilling System
|
patent-application
|
July 2011 |
Method and System for Forming a Non-Circular Borehole
|
patent-application
|
July 2011 |
Method And System For Treating A Subterranean Formation Using Diversion
|
patent-application
|
August 2011 |
In-Pipe Work Device
|
patent-application
|
August 2011 |
Transmission of Light Through Light Absorbing Medium
|
patent-application
|
August 2011 |
Method and Device for Fusion Drilling
|
patent-application
|
September 2011 |
System and Method for Deploying Optical Fiber
|
patent-application
|
October 2011 |
Latching Configuration for a Microtunneling Apparatus
|
patent-application
|
November 2011 |
System and Method for Drilling Lateral Boreholes
|
patent-application
|
November 2011 |
Device for Performing Deep Drillings and Method of Performing Deep Drillings
|
patent-application
|
December 2011 |
Rock Drilling in Great Depths by Thermal Fragmentation Using Highly Exothermic Reactions Evolving in the Environment of a Water-Based Drilling Fluid
|
patent-application
|
December 2011 |
Blowout Preventer Monitoring System and Method of Using Same
|
patent-application
|
January 2012 |
Small Core Generation and Analysis At-Bit as LWD Tool
|
patent-application
|
January 2012 |
Small Core Generation and Analysis At-Bit as LWD Tool
|
patent-application
|
January 2012 |
Optical Fiber Configurations for Transmission of Laser Energy Over Great Distances
|
patent-application
|
January 2012 |
Methods Useful for Controlling Fluid Loss in Subterranean Formations
|
patent-application
|
March 2012 |
Upgoing Drainholes for Reducing Liquid-Loading in Gas Wells
|
patent-application
|
March 2012 |
Riser Lifecycle Management System, Program Product, and Related Methods
|
patent-application
|
March 2012 |
Two-Phase Isolation Methods and Systems for Controlled Drilling
|
patent-application
|
March 2012 |
Systems and Conveyance Structures for High Power Long Distance Laser Transmission
|
patent-application
|
March 2012 |
Guidance System for a Mining Machine
|
patent-application
|
March 2012 |
Fluid Laser Jets, Cutting Heads, Tools and Methods of Use
|
patent-application
|
March 2012 |
System and Method for Drilling Borehole
|
patent-application
|
May 2012 |
Equipment and Method for Reinforcing a Borehole of a Well While Drilling
|
patent-application
|
May 2012 |
Method and Apparatus for Wellbore Perforation
|
patent-application
|
May 2012 |
Purging of Fiber Optic Conduits in Subterranean Wells
|
patent-application
|
May 2012 |
Laser Assisted Riser Disconnect and Method of Use
|
patent-application
|
August 2012 |
Laser Assisted System for Controlling Deep Water Drilling Emergency Situations
|
patent-application
|
August 2012 |
Laser Assisted Blowout Preventer and Methods of Use
|
patent-application
|
August 2012 |
Shear Laser Module and Method of Retrofitting and Use
|
patent-application
|
August 2012 |
Control System For High Power Laser Drilling Workover And Completion Unit
|
patent-application
|
October 2012 |
High Power Laser-Mechanical Drilling Bit and Methods of Use
|
patent-application
|
October 2012 |
High Power Laser Pipeline Tool and Methods of Use
|
patent-application
|
October 2012 |
Method of High Power Laser-Mechanical Drilling
|
patent-application
|
October 2012 |
High Power Laser Photo-Conversion Assemblies, Apparatuses and Methods of Use
|
patent-application
|
October 2012 |
Electric Motor for Laser-Mechanical Drilling
|
patent-application
|
October 2012 |
Long Distance High Power Optical Laser Fiber Break Detection And Continuity Monitoring Systems And Methods
|
patent-application
|
November 2012 |
Method Of Protecting High Power Laser Drilling, Workover And Completion Systems From Carbon Gettering Deposits
|
patent-application
|
November 2012 |
Optics Assembly For High Power Laser Tools
|
patent-application
|
November 2012 |
Rugged Passively Cooled High Power Laser Fiber Optic Connectors and Methods of Use
|
patent-application
|
January 2013 |
Unique characteristic features of stimulated Brillouin scattering in small-core photonic crystal fibers
|
journal
|
January 2008 |
Stimulated Brillouin scattering in multimode fibers for optical phase conjugation
|
journal
|
July 2002 |
SBS threshold for single mode and multimode GRIN fibers in an all fiber configuration
|
journal
|
January 2005 |
High power laser welding in hyperbaric gas and water environments
|
journal
|
June 1997 |
Simulation of dynamic response of granite: A numerical approach of shock-induced damage beneath impact craters
|
journal
|
December 2006 |
Dynamic Vickers indentation of brittle materials
|
journal
|
April 2000 |
The failure of brittle solids containing small cracks under compressive stress states
|
journal
|
March 1986 |
The Schmidt hammer in rock material characterization
|
journal
|
September 2005 |
On the relationship between the parameters of Paris' law for fatigue crack growth in aluminium alloys
|
journal
|
December 1977 |
Spectral signatures and optic coefficients of surface and reservoir shales and limestones at COIL, CO 2 , and Nd:YAG laser wavelengths
|
conference
|
October 2004 |
Micro-scratch evaluation of rock types—a means to comprehend rock drill wear
|
journal
|
February 2004 |
Temperature Profile in Semi-infinite Body With Exponential Source and Convective Boundary Condition
|
journal
|
January 1990 |
Improved Optimisation of Bit Selection Using Mathematically Modelled Bit Performance Indices
|
conference
|
January 2006 |
Use of nondestructive testing methods in evaluation of thermal damage for ceramics under conditions of nonstationary thermal effects
|
journal
|
January 1985 |
Acousto-ultrasonic study of thermal shock damage in castable refractory
|
journal
|
February 1991 |
Correlation between Schmidt hardness, uniaxial compressive strength and Young’s modulus for andesites, basalts and tuffs
|
journal
|
April 2004 |
Vickers and Knoop hardness of electron beam deposited ZrC and HfC thin films on titanium
|
journal
|
April 2006 |
Rock removal using high-power lasers for petroleum exploitation purposes
|
conference
|
September 2002 |
Laser Drilling: Determination of Energy Required to Remove Rock
|
conference
|
October 2001 |
The influence of residual stresses on rock hardness
|
journal
|
May 1974 |
The role of thermal stress fatigue in the breakdown of rock in cold regions
|
journal
|
December 1999 |
Cutting Efficiency of a Single PDC Cutter on Hard Rock
|
journal
|
June 2009 |
The influence of steam pressure on thermal spalling of sedimentary rock: Theory and experiments
|
journal
|
January 1998 |
Dominant rock properties affecting the penetration rate of percussive drills
|
journal
|
July 2003 |
PDC Drill Bit Design and Field Application Evolution
|
journal
|
March 1988 |
Knowledge Selection for Laser Drilling in the Oil and Gas Industry
- Ketata, C.; Satish, M. G.; Islam, M. R.
-
International Conference on Computational Intelligence for Modelling, Control and Automation and International Conference on Intelligent Agents, Web Technologies and Internet Commerce (CIMCA-IAWTIC'06)
https://doi.org/10.1109/CIMCA.2005.1631295
|
conference
|
January 2005 |
Laser heating of sheet metal and thermal stress development
|
journal
|
November 2004 |
CO2 laser–plume interaction in materials processing
|
journal
|
January 2001 |
Coatings with intrinsic stress profile: Refined creep analysis of (Ti,Al)N and cracking due to cyclic laser heating
|
journal
|
February 2006 |
A fatigue crack driving force parameter with load ratio effects
|
journal
|
January 2001 |
Microcrack-dependent fracture of damaged rock
|
journal
|
October 1991 |
Dynamic Rock Mechanics Testing for Optimized Fracture Designs
|
conference
|
October 1997 |
Thermal fatigue life prediction of flip chip solder joints by fracture mechanics method
|
journal
|
July 1993 |
Theoretical study of heat transfer with moving phase-change interface in thawing of frozen food
|
journal
|
January 2005 |
Elastic Modulus Measurements via Laser-Ultrasonic and Knoop Indentation Techniques in Thermally Sprayed Coatings
|
journal
|
March 2005 |
Explosion in the Granite Field: Hardening and Softening Behavior in Rocks
|
conference
|
January 2002 |
Thermal fatigue of particle reinforced metal–matrix composite induced by laser heating and mechanical load
|
journal
|
July 2005 |
Advanced Cutting Structure Improves PDC Bit Performance in Hard and Abrasive Drilling Environments
|
conference
|
April 2013 |
Predicting the Uniaxial Compressive Strength and Static Young’s Modulus of Intact Sedimentary Rocks Using the Ultrasonic Test
|
journal
|
January 2009 |
Laser heating of multilayer assembly and stress levels: elasto-plastic consideration
|
journal
|
December 2003 |
Sub-critical crack growth in anisotropic rock
|
journal
|
April 2006 |
Compression-induced nonplanar crack extension with application to splitting, exfoliation, and rockburst
|
journal
|
August 1982 |
Design Index: A Systematic Method of PDC Drill-Bit Selection
|
conference
|
April 2013 |
Frictional Heating and Convective Cooling of Polycrystalline Diamond Drag Tools During Rock Cutting
|
journal
|
April 1984 |
Improved Bit Stability Reduces Downhole Harmonics (Vibrations)
|
conference
|
April 2013 |
An extended model for void growth and coalescence
|
journal
|
December 2000 |
Thermal analysis of laser drilling processes
|
journal
|
February 1972 |
Laser Drilling: Effects of Beam Application Methods on Improving Rock Removal
|
conference
|
October 2003 |
Testing study of subcritical crack growth rate and fracture toughness in different rocks
|
journal
|
June 2006 |
A bonded-particle model for rock
|
journal
|
December 2004 |
Using compression wave ultrasonic transducers to measure the velocity of surface waves and hence determine dynamic modulus of elasticity for concrete
|
journal
|
June 1996 |
Rock failure mechanisms of flame-jet thermal spallation drilling—theory and experimental testing
|
journal
|
September 1989 |
Wave propagation, damage evolution, and dynamic fracture extension. Part I. Percussion drilling
|
journal
|
May 1996 |
Laser heating of semi-infinite solid with consecutive pulses: Influence of materaial properties on temperature field
|
journal
|
April 2008 |
Crack propagation at a constant crack tip stress intensity factor
|
journal
|
August 1980 |
Moving boundary problems in phase change models current research questions
|
journal
|
April 1985 |
Influence of microfractures and porosity on the physico-mechanical properties and weathering of ornamental granites
|
journal
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Damage in granite under heating/cooling cycles and water freeze–thaw condition
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October 2008 |
The generalized relationship between the parameters C and m of Paris' law for fatigue crack growth
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March 1981 |
Coupled analysis of flow, stress and damage (FSD) in rock failure
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The Design And Use Of Polycrystalline Diamond Compact Drag Bits In The Geothermal Environment
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September 1979 |
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October 2007 |
Dynamics of ultrasonic percussive drilling of hard rocks
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February 2005 |
Experiments in Thermal Spallation of Various Rocks
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Heat transfer and phase change during picosecond laser ablation of nickel
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September 2002 |
Microcrack statistics, Weibull distribution and micromechanical modeling of compressive failure in rock
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July 2006 |
Effects of microstructures on dynamic compression of Barre granite
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September 2008 |
Specific energy for pulsed laser rock drilling
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February 2003 |
An evaluation of the microcrack density of rocks by ultrasonic velocimetric method
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July 1985 |
Laser short pulse heating: Influence of pulse intensity on temperature and stress fields
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Laser treatment of aluminum surface: Analysis of thermal stress field in the irradiated region
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Nano-second laser pulse heating and assisting gas jet considerations
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May 2000 |
Repetitive laser pulse heating with a convective boundary condition at the surface
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Thermal Stress Distribution in Thick Wall Cylinder Under Thermal Shock
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Dynamic failure analysis on granite under uniaxial impact compressive load
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Microcrack interaction brittle rock subjected to uniaxial tensile loads
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A new thermal-shock-resistance model for ceramics: Establishment and validation
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Effect of temperature and pressure on the thermal conductivity of sandstone
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Orthonormal Basis Functions for Continuous-Time Systems and Lp Convergence
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Collapse and rebound of a laser-induced cavitation bubble
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The porosity and engineering properties of vesicular basalt in Saudi Arabia
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Prevention of Nozzle Wear in Abrasive Water Suspension Jets (AWSJ) Using Porous Lubricated Nozzles
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The Äspö Pillar Stability Experiment: Part II—Rock mass response to coupled excavation-induced and thermal-induced stresses
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A new approach to quantification of metamorphism using ultra-small and small angle neutron scattering
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Two stages of spallation
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A multiaxial stress criterion for short- and long-term strength of isotropic rock media
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Porosity dependence of the elastic modulus of lithophysae-rich tuff: numerical and experimental investigations
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September 2003 |
Tensile fracture propagation and acoustic emission activity in sandstone: The effect of loading rate
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October 2005 |
Simulation of the coupled thermal optical effects for liquid immersion micro-/nano-lithography
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conference
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May 2004 |
Innovation in Wellbore Perforation Using High-Power Laser
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Well Perforation Using High-Power Lasers
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Prediction of compressive and tensile strength of limestone via genetic programming
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Demonstration of the Power of Inter-Disciplinary Integration to Beat Field Development Challenges in a Complex Brown Field - South Oman
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Spall damage modelling and dynamic fracture specificities of ceramics
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July 1992 |
The combined influence of mineralogical, hygric and thermal properties on the durability of porous building stones
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Mechanism of brittle fracture of rock: Part I—theory of the fracture process
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The Impact of Fracture–Matrix Interaction on Thermal–Hydrological Conditions in Heated Fractured Rock
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Analysis of compressive fracture in rock using statistical techniques: Part I. A non-linear rule-based model
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All-in-quartz optics for low focal shifts
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Bend loss in large core multimode optical fiber beam delivery systems
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Development, testing and track record of fiber-optic, wet-mate, connectors
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Dynamics of laser-induced cavitation bubbles near an elastic boundary
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Rock Failure Under Dynamic Loading Conditions
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March 1963 |
Modeling Laser-Spallation Rock Drilling
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February 2006 |
Drilling a Hole in Granite Submerged in Water By Use of CO<sub>2</sub> Laser
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Strength of glass from Hertzian line contact
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September 2011 |
Rock Cutting By Laser
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Deepwater Drilling Riser System
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Characterization of the Austin Chalk Producing Trend
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Limitations on lightwave communications imposed by optical-fiber nonlinearities
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Rock Properties of Berea Sandstone, Baker Dolomite, and Indiana Limestone
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A damage model for concrete beams in compression
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Successful Drilling of Basalt in a West of Shetland Deepwater Discovery
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High-Power Slim-Hole Drilling System
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Case History of the University Block 9 (Wolfcamp) FieldA Gas-Water Injection Secondary Recovery Project
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Coiled Tubing Deployed ESPs Utilizing Internally Installed Power Cable - A Project Update
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The static fatigue of brittle rock under uniaxial compression
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journal
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February 1974 |
Development of a new direct test method for estimating cutter life, based on the Sievers’ J miniature drill test
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Linear thermal expansion of granitic rocks: influence of apparent porosity, grain size and quartz content
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Simulation of bulk-absorption thermal lensing in transmissive optics of gravitational waves detectors
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Some mechanisms of microcrack growth and interaction in compressive rock failure
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June 1981 |
Flow structure and optical beam propagation in high-Reynolds-number gas-phase shear layers and jets
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journal
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April 2001 |
PDC Bit Selection Method Through the Analysis of Past Bit Performances
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conference
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October 1990 |
Evolution of Porosity and Permeability in the Lower Cretaceous Travis Peak Formation, East Texas (1)
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journal
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January 1992 |
Porosity-permeability relationships in interlayered limestone-dolostone reservoirs
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journal
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January 2006 |
Wear characteristics of PDC pin and hybrid core bits in rock drilling
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journal
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September 1995 |
PDC Bit Selection Through Cost Prediction Estimates Using Crossplots and Sonic Log Data
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conference
|
January 1993 |
Separating Bit and Lithology Effects from Drilling Mechanics Data
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conference
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January 1988 |
Peak-power limits on fiber amplifiers imposed by self-focusing
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journal
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January 2006 |
Spectral Gamma-Ray Logging in the Texas Austin Chalk Trend
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journal
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March 1980 |
A simple crack-extension criterion for time-dependent spallation
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journal
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April 1971 |
Analysis of Efficient High-Power Fiber Lasers for Well Perforation
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conference
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January 2004 |
Effect of Downhole Pressure Conditions on High-Power Laser Perforation
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October 2005 |
Natural fractures in the Barnett Shale and their importance for hydraulic fracture treatments
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April 2007 |
Fluorescent dye penetrants applied to rock fractures
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March 1968 |
Multilevel (Hierarchical) Modeling: What It Can and Cannot Do
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journal
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August 2006 |
PDC Bits: All Comes From the Cutter/Rock Interaction
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conference
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February 2006 |
High-power All-Fiber components: the missing link for high-power fiber lasers
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conference
|
June 2004 |
Comparison of Specific Energy Between Drilling With High Power Lasers and Other Drilling Methods
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conference
|
October 2002 |
Spectral signatures and optic coefficients of surface and reservoir rocks at COIL, CO 2 , and Nd:YAG laser wavelengths
- Graves, Ramona M.; Bailo, El Tahir
-
XXXV Annual Symposium on Optical Materials for High Power Lasers: Boulder Damage Symposium, SPIE Proceedings
https://doi.org/10.1117/12.524568
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June 2004 |
StarWars Laser Technology Applied to Drilling and Completing Gas Wells
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January 1998 |
Crack Arrest and Multiple Cracking in Glass Through the Use of Designed Residual Stress Profiles
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Laboratory Measurement and Correction of Thermal Properties for Application to the Rock Mass
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Chebyshev rational spectral and pseudospectral methods on a semi-infinite interval
- Guo, Ben-yu; Shen, Jie; Wang, Zhong-qing
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International Journal for Numerical Methods in Engineering, Vol. 53, Issue 1, p. 65-84
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journal
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Stress resistance parameters of brittle solids under laser/plasma pulse heating
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journal
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Rock albedo and monitoring of thermal conditions in respect of weathering: some expected and some unexpected results
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journal
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June 2005 |
Shielding properties of laser-induced breakdown in water for pulse durations from 5 ns to 125 fs
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journal
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Drag - Bit Model Including Wear
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conference
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April 1994 |
A Drilling Rate Model for Roller Cone Bits and Its Application
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conference
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January 2010 |
Reservoir Characterization of the Frontier Tight Gas Sand, Green River Basin, Wyoming
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conference
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January 1991 |
Numerical simulation with experimental verification of the fracture behavior in granite under confining pressures based on the tension-softening model
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journal
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February 1993 |
Waterjet-assisted rock cutting systems — the present state of the art
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journal
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July 1985 |
VOLAN Interpretation and Application in the Bone Spring Formation (Leonard Series) in Southeastern New Mexico
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conference
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January 1984 |
Simultaneous Velocity and Concentration Measurements of a Turbulent Jet Mixing Flow
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journal
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October 2002 |
A dynamic damage growth model for uniaxial compressive response of rock aggregates
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journal
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May 2002 |
Intrinsic Length Scales in Tool-Rock Interaction
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journal
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January 2008 |
Mixed Mode Cracking in Layered Materials
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book
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January 1991 |
Study on rock-drilling using PDC bits for the prediction of torque and rate of penetration
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journal
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January 2009 |
Development of underwater laser cutting technique for steel and zircaloy for nuclear applications
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journal
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December 2010 |
Leaky Modes in Weakly Guiding Fiber Acoustic Waveguides
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journal
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November 1986 |
Investigation of Smaller-Footprint Drilling System; Ultra-High Rotary Speed Diamond Drilling Has Potential for Reduced Energy Requirements
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conference
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February 2006 |
Rock excavation with laser assistance
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journal
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July 1976 |
Semianalytical Productivity Models for Perforated Completions
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journal
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February 1991 |
A model for non-linear rock deformation under compression due to sub-critical crack growth
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journal
|
November 1991 |
Prediction of thermal conductivity of rocks by soft computing
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journal
|
May 2010 |
Measurement of the refractive index of liquids at 1.3 and 1.5 micron using a fibre optic Fresnel ratio meter
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journal
|
July 2004 |
Flow Visualization and Characteristics of a Coaxial Jet with a Tabbed Annular Nozzle
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journal
|
January 2006 |
Drilling a 2-inch in Diameter Hole in Granites Submerged in Water by CO2 Lasers
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conference
|
January 2009 |
Design concept for optical fibers with enhanced SBS threshold
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journal
|
January 2005 |
Observation of hole burning in spectrum of SBS in optical fibres under CW monochromatic laser excitation
- Kovalev, V. I.; Harrison, R. G.
-
1999 IEEE LEOS Annual Meeting Conference Proceedings. LEOS'99. 12th Annual Meeting. IEEE Lasers and Electro-Optics Society 1999 Annual Meeting (Cat. No.99CH37009)
https://doi.org/10.1109/LEOS.1999.813474
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conference
|
January 1999 |
Simulating and Designing Brillouin Gain Spectrum in Single-Mode Fibers
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journal
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February 2004 |
A micromechanical damage model for concrete
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journal
|
January 1986 |
Microcracks in rocks: A review
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journal
|
December 1983 |
Experiments with rock: Remarks on strength and stability issues
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journal
|
June 2007 |
PDC Bit Dynamics
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conference
|
January 1992 |
High-Power Yb3+-Doped Phosphate Fiber Amplifier
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journal
|
January 2009 |
Hydraulic fracturing in a sedimentary geothermal reservoir: Results and implications
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journal
|
October 2005 |
The influence of temperature dependent properties of thermal rock fragmentation
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journal
|
August 1975 |
Experimental investigation on the breakage of hard rock by the PDC cutters with combined action modes
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journal
|
April 2001 |
The dynamic strength and fracture properties of dresser basalt
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journal
|
May 1974 |
Continuous damage model for load-response estimation of concrete
|
journal
|
May 1980 |
Damage model for brittle elastic solids with unequal tensile and compressive strengths
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journal
|
November 1994 |
Characterization of Diagenetically Altered Carbonate Reservoirs, South Cowden Grayburg Reservoir, West Texas
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conference
|
October 1996 |
Travis Peak Core Permeability and Porosity Relationships at Reservoir Stress
|
journal
|
September 1991 |
Development and Operation of a New Insulated Concentric Coiled Tubing String for Continuous Steam Injection in Heavy Oil Production
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conference
|
April 2013 |
Specific Ion Binding to Macromolecules: Effects of Hydrophobicity and Ion Pairing
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journal
|
April 2008 |
EOR Field Experiences in Carbonate Reservoirs in the United States
- Manrique, Eduardo Jose; Muci, Viviana Eugenia; Gurfinkel, Mariano E.
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SPE Reservoir Evaluation & Engineering, Vol. 10, Issue 6, p. 667-686
https://doi.org/10.2118/100063-PA
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journal
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Thermophysical Properties of Porous Sandstones: Measurements and Comparative Study of Some Representative Thermal Conductivity Models
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journal
|
September 2005 |
Curvature loss formula for optical fibers
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journal
|
January 1976 |
Seventeenth Canadian Geotechnical Colloquium: The effect of cohesion loss and stress path on brittle rock strength
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journal
|
October 1997 |
Laboratory Testing of High-Pressure, High-Speed PDC Bits
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conference
|
April 2013 |
Glass fibers for stimulated Brillouin scattering and phase conjugation
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journal
|
February 2007 |
New PDC Bit Technology, Improved Drillability Analysis, and Operational Practices Improve Drilling Performance in Hard and Highly Heterogeneous Applications
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conference
|
April 2013 |
Theory of fiber-optic, evanescent-wave spectroscopy and sensors
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journal
|
January 1996 |
Experimental study relating thermal conductivity to thermal piercing of rocks
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journal
|
May 1968 |
Growth and structures of surface disturbances of a round liquid jet in a coaxial airflow
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journal
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April 2004 |
Microporosity in micritic limestones: a review
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journal
|
July 1989 |
Investigation of thermal properties of some basalt samples in Egypt
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journal
|
January 2004 |
Experimental Study of Kilowatt-Average-Power Faraday Isolators
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conference
|
January 2007 |
Effect of Sampling Geometry on Elemental Emissions in Laser-Induced Breakdown Spectroscopy
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journal
|
December 1996 |
Effective Medium Theory of the Porosity Dependence of Bulk Moduli
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journal
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May 2001 |
The effect of temperature on the strength at high confining pressure of granodiorite containing free and chemically-bound water
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journal
|
January 1976 |
Tutorial on maximum likelihood estimation
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journal
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February 2003 |
Visualization for heat and mass transport phenomena in supercritical artificial air
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journal
|
August 2005 |
Study of subcritical crack growth in andesite using the Double Torsion test
|
journal
|
June 2005 |
Brillouin gain spectrum characterization in single-mode optical fibers
|
journal
|
January 1997 |
Fundamental mechanisms of cutting front formation in laser cutting
|
conference
|
September 1994 |
Thermal expansion of silicon carbide materials
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journal
|
June 1994 |
Correlation of Yield Strength and Tensile Strength with Hardness for Steels
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journal
|
April 2008 |
Formation Evaluation With Logs In The Deep Anadarko Basin
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conference
|
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Porosity dependence of ultrasonic velocity and elastic modulus in sintered uranium dioxide — a discussion
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journal
|
April 1986 |
Composition and Texture on Compressive Strength Variations in the Travis Peak Formation
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conference
|
April 2013 |
Lasers: The Next Bit
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conference
|
January 2006 |
Cutting thin sheet metal with a water jet guided laser using various cutting distances, feed speeds and angles of incidence
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journal
|
April 2006 |
Simulating stress corrosion with a bonded-particle model for rock
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journal
|
July 2007 |
On the Analysis of Short-Pulse Laser Heating of Metals Using the Dual Phase Lag Heat Conduction Model
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journal
|
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A study of progressive failure of rock under cyclic loading by ultrasonic and AE monitoring techniques
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journal
|
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On the stability of dilatant hardening for saturated rock masses
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journal
|
April 1975 |
Thermal expansion behavior of igneous rocks
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journal
|
October 1974 |
Comparative Economics Of Deep Drilling In Anadarko Basin
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conference
|
April 2013 |
Role of shale thickness on vertical connectivity of fractures: application of crack-bridging theory to the Austin Chalk, Texas
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journal
|
July 2001 |
Generalized Hermite Polynomials and the Heat Equation for Dunkl Operators
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journal
|
April 1998 |
Fracture Mechanics Applications To Drilling And Blasting
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journal
|
November 1997 |
Dynamic tensile-failure-induced velocity deficits in rock
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journal
|
February 1991 |
Correlating schmidt hardness with compressive strength and young’s modulus of carbonate rocks
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journal
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October 1990 |
An algorithm and a modular subroutine for the CAP model
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journal
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April 1979 |
Formation Evaluation From Logging on Cuttings
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journal
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June 1998 |
Waveform Cross-Correlation-Based Differential Travel-Time Measurements at the Northern California Seismic Network
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journal
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December 2005 |
Dynamics of femtosecond laser-induced breakdown in water from femtoseconds to microseconds
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journal
|
January 2002 |
High pressure and temperature sensing for the oil industry using fiber Bragg gratings written onto side hole single mode fiber
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conference
|
December 2017 |
SBS threshold of a fiber with a Brillouin frequency shift distribution
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journal
|
January 1996 |
Prediction of thermal conductivity of rock through physico-mechanical properties
|
journal
|
January 2007 |
Cantilever Drilling - Ushering a New Genre of Drilling
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conference
|
October 2003 |
Drag Bit Wear Model
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journal
|
June 1989 |
Rock Types, Depositional History, and Diagenetic Effects, Ivishak Reservoir, Prudhoe Bay Field
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journal
|
February 1997 |
Pore Geometry in High- and Low-Permeability Sandstones, Travis Peak Formation, East Texas
|
journal
|
December 1990 |
Characterization of Opening Mode Fracture Systems in the Austin Chalk
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journal
|
January 2001 |
Cavitation inception in quiescent and co-flow nozzle jets
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journal
|
October 2010 |
Dielectric properties of mixtures between mineral oil and natural ester
|
conference
|
September 2008 |
Numerical studies of the influence of microstructure on rock failure in uniaxial compression — Part I: effect of heterogeneity
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journal
|
June 2000 |
Brillouin amplification in phase coherent transfer of optical frequencies over 480 km fiber
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journal
|
January 2010 |
Modeling inelastic deformation: viscolelasticity, plasticity, fracture
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conference
|
January 1988 |
A criterion for the time dependence of dynamic fracture
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journal
|
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The ALL Electric BHA: Recent Developments toward an Intelligent Coiled-Tubing Drilling System
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conference
|
January 1999 |
An experimental investigation of factors influencing compressional‐ and shear‐wave velocities and attenuations in tight gas sandstones
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journal
|
January 1994 |
Fiber optic distributed sensing systems for harsh aerospace environments
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conference
|
July 1999 |
Stress-strain relationship for empirical equations of creep in rocks
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journal
|
March 1972 |
Dependence of ceramic fracture properties on porosity
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journal
|
January 1993 |
The microstructures of perthitic alkali feldspars revealed by hydrofluoric acid etching
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journal
|
April 1994 |
Roller-Bit Penetration Rate Response as a Function of Rock Properties and Well Depth
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conference
|
October 1986 |
Characterization of the melt removal rate in laser cutting of thick-section stainless steel
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journal
|
May 2010 |
Laser power requirement for cutting thick-section steel and effects of processing parameters on mild steel cut quality
- Wandera, C.; Kujanpää, V.; Salminen, A.
-
Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture, Vol. 225, Issue 5, p. 651-661
https://doi.org/10.1177/09544054JEM1971
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journal
|
May 2011 |
Optimization of parameters for fibre laser cutting of a 10 mm stainless steel plate
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journal
|
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Particle modeling simulation of thermal effects on ore breakage
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journal
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A Review and Evaluation of Specific Heat Capacities of Rocks, Minerals, and Subsurface Fluids. Part 2: Fluids and Porous Rocks
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journal
|
June 2004 |
Laboratory Drilling Performance of PDC Bits
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journal
|
June 1988 |
Rock Matrix Properties of the Ratcliffe Interval (Madison Limestone) Flat Lake Field, Montana
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conference
|
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Experimental measurement of surface temperatures during flame-jet induced thermal spallation
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journal
|
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Roller Bit Model With Rock Ductility and Cone Offset
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conference
|
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The effects of thermal softening and heat conduction on the dynamic growth of voids
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journal
|
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Inverted S-shaped model for nonlinear fatigue damage of rock
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journal
|
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Modeling of Laser Spallation Drilling of Rocks for Gas and Oil Well Drilling
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conference
|
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The Constrained Interpolation Profile Method for Multiphase Analysis
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journal
|
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Detection of Metals in the Environment Using a Portable Laser-Induced Breakdown Spectroscopy Instrument
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journal
|
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Underwater Laser Welding by 4 kW CW YAG Laser
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journal
|
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Determination of the thermal conductivity from physico-mechanical properties
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journal
|
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An empirical relationship between thermal conductivity and elastic wave velocities in sandstone
|
journal
|
August 1993 |
Rock Breakage Mechanisms With a PDC Cutter
|
conference
|
January 1985 |
Energy from Abandoned Oil and Gas Reservoirs
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conference
|
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Faraday Rotators With Short Magneto-Optical Elements for 50-kW Laser Power
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journal
|
June 2007 |
Analysis of stimulated Brillouin scattering in multi-mode fiber by numerical solution
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journal
|
May 2003 |
High-Power ZBLAN Glass Fiber Lasers: Review and Prospect
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journal
|
January 2010 |
Determinants of House Prices: A Quantile Regression Approach
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journal
|
July 2007 |
Jet Impingement Heat Transfer: Physics, Correlations, and Numerical Modeling
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book
|
January 2006 |