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Title: High power laser perforating tools and systems

Abstract

ystems devices and methods for the transmission of 1 kW or more of laser energy deep into the earth and for the suppression of associated nonlinear phenomena. Systems, devices and methods for the laser perforation of a borehole in the earth. These systems can deliver high power laser energy down a deep borehole, while maintaining the high power to perforate such boreholes.

Inventors:
; ; ; ;
Issue Date:
Research Org.:
Foro Energy, Inc., Littleton, CO (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1129396
Patent Number(s):
8701794
Application Number:
13/800,559
Assignee:
Foro Energy, Inc. (Littleton, CO)
Patent Classifications (CPCs):
E - FIXED CONSTRUCTIONS E21 - EARTH DRILLING E21B - EARTH DRILLING, e.g. DEEP DRILLING
DOE Contract Number:  
AR0000044
Resource Type:
Patent
Resource Relation:
Patent File Date: 2013 Mar 13
Country of Publication:
United States
Language:
English
Subject:
47 OTHER INSTRUMENTATION

Citation Formats

Zediker, Mark S, Rinzler, Charles C, Faircloth, Brian O, Koblick, Yeshaya, and Moxley, Joel F. High power laser perforating tools and systems. United States: N. p., 2014. Web.
Zediker, Mark S, Rinzler, Charles C, Faircloth, Brian O, Koblick, Yeshaya, & Moxley, Joel F. High power laser perforating tools and systems. United States.
Zediker, Mark S, Rinzler, Charles C, Faircloth, Brian O, Koblick, Yeshaya, and Moxley, Joel F. Tue . "High power laser perforating tools and systems". United States. https://www.osti.gov/servlets/purl/1129396.
@article{osti_1129396,
title = {High power laser perforating tools and systems},
author = {Zediker, Mark S and Rinzler, Charles C and Faircloth, Brian O and Koblick, Yeshaya and Moxley, Joel F},
abstractNote = {ystems devices and methods for the transmission of 1 kW or more of laser energy deep into the earth and for the suppression of associated nonlinear phenomena. Systems, devices and methods for the laser perforation of a borehole in the earth. These systems can deliver high power laser energy down a deep borehole, while maintaining the high power to perforate such boreholes.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Apr 22 00:00:00 EDT 2014},
month = {Tue Apr 22 00:00:00 EDT 2014}
}

Works referenced in this record:

Combination laser beam and sonic drill
patent, May 1975


Spectroscopic probe with leak detection
patent, November 1999


Method Of And System For Hydrocarbon Recovery
patent-application, July 2010


Method of manufacturing an optical fiber
patent, February 1981


Well system
patent, August 2005


Subsea production system
patent-application, August 2003


Method of Processing Rock with Laser and Apparatus for the Same
patent-application, January 2010


Underbalance jet pump drilling method
patent, October 1994


Numerical simulation with experimental verification of the fracture behavior in granite under confining pressures based on the tension-softening model
journal, February 1993


Tool For Reporting The Status And Drill-Down Of A Control Application In An Automated Manufacturing Environment
patent-application, February 2009


Method and apparatus for perforating oil and gas wells
patent, April 1980


Method and device for excavating submerged stratum
patent, September 2010


Thermophysical Properties of Porous Sandstones: Measurements and Comparative Study of Some Representative Thermal Conductivity Models
journal, September 2005


Apparatus for completing a subterranean well and associated methods of using same
patent, September 2000


Partial coil-in-coil tubing
patent, March 2004


Laser boring method and system
patent-application, December 2003


System and technique for monitoring and managing the deployment of subsea equipment
patent, April 2004


Spoolable composite tubular member with energy conductors
patent, June 1999


The Constrained Interpolation Profile Method for Multiphase Analysis
journal, May 2001


Shear Laser Module and Method of Retrofitting and Use
patent-application, August 2012


Electrohydraulic pressure wave projectors
patent, April 2001


Methods And Apparatus For Subsea Well Intervention And Subsea Wellhead Retrieval
patent-application, December 2010


Influence of microfractures and porosity on the physico-mechanical properties and weathering of ornamental granites
journal, February 2005


Raman Amplifier, Optical Repeater, And Raman Amplification Method
patent-application, October 2007


Composite coiled tubing apparatus and methods
patent, August 1999


Modeling of Laser Spallation Drilling of Rocks for Gas and Oil Well Drilling
conference, October 2005


The static fatigue of brittle rock under uniaxial compression
journal, February 1974


Subterranean well pressure and temperature measurement
patent-application, January 2004


System and methods using fiber optics in coiled tubing
patent, November 2009


Laboratory Drilling Performance of PDC Bits
journal, June 1988


Sensors For Estimating Properties Of A Core
patent-application, April 2009


Coatings with intrinsic stress profile: Refined creep analysis of (Ti,Al)N and cracking due to cyclic laser heating
journal, February 2006


Apparatus and method for laser cutting
patent, November 1978


The generalized relationship between the parameters C and m of Paris' law for fatigue crack growth
journal, March 1981


Method for installing cable using an inner duct
patent, January 1986


Methods and Apparatus for Thermal Drilling
patent-application, April 2010


Observation of hole burning in spectrum of SBS in optical fibres under CW monochromatic laser excitation
conference, January 1999

  • 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

Prediction of compressive and tensile strength of limestone via genetic programming
journal, July 2008


Peak-power limits on fiber amplifiers imposed by self-focusing
journal, January 2006


Methods useful for controlling fluid loss in subterranean formations
patent, January 2012


Method and system for reservoir characterization in connection with drilling operations
patent, March 2008


Heat transfer and phase change during picosecond laser ablation of nickel
journal, September 2002


Downhole power source
patent, November 2010


Dynamic tensile-failure-induced velocity deficits in rock
journal, February 1991


Bottomhole assembly and methods of use
patent, May 2003


Inert gas cutting of thick-section stainless steel and medium-section aluminum using a high power fiber laser
journal, August 2009


Laser Assisted Blowout Preventer and Methods of Use
patent-application, August 2012


System And Method For Long Term Power In Well Applications
patent-application, February 2009


Fiber optics laser perforation tool
patent-application, December 2004


Apparatus for providing optical radiation
patent-application, September 2006


Specific Ion Binding to Macromolecules:  Effects of Hydrophobicity and Ion Pairing
journal, April 2008


Methods of using a laser to spall and drill holes in rocks
patent, August 2008


System and method for drilling a borehole
patent, February 2012


Modular Well Tool System
patent-application, July 2010


PDC Bits: All Comes From the Cutter/Rock Interaction
conference, February 2006


PDC Bit Selection Through Cost Prediction Estimates Using Crossplots and Sonic Log Data
conference, January 1993


A Drilling Rate Model for Roller Cone Bits and Its Application
conference, January 2010


Effect of temperature and pressure on the thermal conductivity of sandstone
journal, September 2009


The combined influence of mineralogical, hygric and thermal properties on the durability of porous building stones
journal, August 2008


Concentric insulated tubing string
patent, July 1984


Coiled tubing system used for the evaluation of stimulation candidate wells
patent, October 1994


Distributed flow properties wellbore measurement system
patent, April 2005


High Power Laser-Mechanical Drilling Bit and Methods of Use
patent-application, October 2012


Fiber laser system
patent, December 2010


Visualization for heat and mass transport phenomena in supercritical artificial air
journal, August 2005


Explosion in the Granite Field: Hardening and Softening Behavior in Rocks
conference, January 2002


The Äspö Pillar Stability Experiment: Part II—Rock mass response to coupled excavation-induced and thermal-induced stresses
journal, July 2009


Experimental study relating thermal conductivity to thermal piercing of rocks
journal, May 1968


Specific energy for laser removal of rocks
conference, January 2001

  • Xu, Z.; Konercki, G.; Reed, C. B.
  • ICALEO® 2001: Proceedings of the Laser Materials Processing Conference and Laser Microfabrication Conference, International Congress on Applications of Lasers & Electro-Optics
  • https://doi.org/10.2351/1.5059948

Wear characteristics of PDC pin and hybrid core bits in rock drilling
journal, September 1995


Optical fiber conveyance, telemetry, and/or actuation
patent-application, February 2005


Optical fiber having temperature independent optical characteristics
patent-application, March 2003


Laser Guide Optical Fiber and Laser Guide Including the Same
patent-application, May 2010


Laser induced breakdown spectroscopy soil contamination probe
patent, November 2000


Rock Matrix Properties of the Ratcliffe Interval (Madison Limestone) Flat Lake Field, Montana
conference, April 2013


The failure of brittle solids containing small cracks under compressive stress states
journal, March 1986


Experimental measurement of surface temperatures during flame-jet induced thermal spallation
journal, January 1993


Fiber optic sensor capable of using optical power to sense a parameter
patent-application, December 2006


Spoolable coiled tubing completion system
patent, June 2000


Release tool for coiled tubing
patent, July 2007


System and Methods Using Fiber Optics in Coiled Tubing
patent-application, January 2010


Downhole sensing with fiber in the formation
patent, December 2005


Dynamic Vickers indentation of brittle materials
journal, April 2000


Flexible production tubing
patent, June 1982


Strength of glass from Hertzian line contact
conference, September 2011


Well pumping method and apparatus
patent, May 1989


Mechanism of brittle fracture of rock: Part I—theory of the fracture process
journal, October 1967


Single shot Dynamic Ellipsometry Measurements of Laser-Driven Shock Waves
conference, January 2008

  • Bolme, C. A.; Elert, Mark; Furnish, Michael D.
  • SHOCK COMPRESSION OF CONDENSED MATTER - 2007: Proceedings of the Conference of the American Physical Society Topical Group on Shock Compression of Condensed Matter, AIP Conference Proceedings
  • https://doi.org/10.1063/1.2832937

Roller-Bit Penetration Rate Response as a Function of Rock Properties and Well Depth
conference, October 1986


Reeled tubing support for downhole equipment module
patent, May 1995


Laser Drilling: Determination of Energy Required to Remove Rock
conference, October 2001


Lightweight optical fiber cable
patent, June 1992


Composite tubing product
patent, March 1980


Dynamic Rock Mechanics Testing for Optimized Fracture Designs
conference, October 1997


Lasers: The Next Bit
conference, January 2006


Laser Assisted Drilling
patent-application, April 2010


Isolation assembly for coiled tubing
patent, November 2006


Methods and Systems to Activate Downhole Tools with Light
patent-application, February 2010


Inverted Drainholes
patent-application, August 2009


Method And System For Treating A Subterranean Formation Using Diversion
patent-application, August 2011


Method useful for controlling fluid loss in subterranean formations
patent-application, December 2006


Fiber Optic Cable Having a Dry Insert
patent-application, July 2009


Development of a new direct test method for estimating cutter life, based on the Sievers’ J miniature drill test
journal, January 2007


Laser liner creation apparatus and method
patent-application, October 2004


Porosity dependence of the elastic modulus of lithophysae-rich tuff: numerical and experimental investigations
journal, September 2003


Laser-induced shock wave generation and shock wave enhancement in basalt
journal, September 1999


Mounts for blowout preventer bonnets
patent-application, May 2003


Dual wall drill string assembly
patent, November 2006


Bit packer for dual tube drilling
patent, November 1977


Simulation of dynamic response of granite: A numerical approach of shock-induced damage beneath impact craters
journal, December 2006


Composite coiled tubing apparatus and methods
patent, October 1998


Downhole filter
patent, March 2007


High-Power Slim-Hole Drilling System
conference, January 1995


A multiaxial stress criterion for short- and long-term strength of isotropic rock media
journal, December 2000


Fluid-actuated wellbore tool system
patent, November 1996


Apparatus and method for estimating filtrate contamination in a formation fluid
patent-application, April 2007


Laser heating of sheet metal and thermal stress development
journal, November 2004


An algorithm and a modular subroutine for the CAP model
journal, April 1979


Determination of thermal properties of a formation
patent-application, December 2004


Characterization of the melt removal rate in laser cutting of thick-section stainless steel
journal, May 2010


Optical fiber cable
patent-application, August 2003


Bitless Drilling System
patent-application, July 2011


Hermetically sealed optical fiber
patent, March 1985


Laser Beam Drill
patent, March 1975


Curvature loss formula for optical fibers
journal, January 1976


Improved coil tubing injector unit
patent, October 1996


Dynamics of ultrasonic percussive drilling of hard rocks
journal, February 2005


A criterion for the time dependence of dynamic fracture
journal, December 1968


Porosity-permeability relationships in interlayered limestone-dolostone reservoirs
journal, January 2006


Dry Fiber Optic Cables and Assemblies
patent-application, December 2009


Comparison of Specific Energy Between Drilling With High Power Lasers and Other Drilling Methods
conference, October 2002


Improved Bit Stability Reduces Downhole Harmonics (Vibrations)
conference, April 2013


Methods of using a laser to spall and drill holes in rocks
patent-application, October 2006


Modeling Laser-Spallation Rock Drilling
journal, February 2006


On the relationship between the parameters of Paris' law for fatigue crack growth in aluminium alloys
journal, December 1977


Fiber optic well logging cable
patent, May 2000


In-Pipe Work Device
patent-application, August 2011


Method and apparatus for obtaining a micro sample downhole
patent, May 2007


Specific energy for pulsed laser rock drilling
journal, February 2003


Effect of Sampling Geometry on Elemental Emissions in Laser-Induced Breakdown Spectroscopy
journal, December 1996


Method of High Power Laser-Mechanical Drilling
patent-application, October 2012


A fatigue crack driving force parameter with load ratio effects
journal, January 2001


Thermal lensing compensation objective for high power lasers
conference, January 2010

  • Scaggs, Michael; Haas, Gil
  • ICALEO® 2010: 29th International Congress on Laser Materials Processing, Laser Microprocessing and Nanomanufacturing, International Congress on Applications of Lasers & Electro-Optics
  • https://doi.org/10.2351/1.5062011

Detection of Metals in the Environment Using a Portable Laser-Induced Breakdown Spectroscopy Instrument
journal, February 1996


Method and apparatus for performing rapid isotopic analysis via laser spectroscopy
patent, May 2005


Theoretical study of heat transfer with moving phase-change interface in thawing of frozen food
journal, January 2005


A dynamic damage growth model for uniaxial compressive response of rock aggregates
journal, May 2002


Experiments with rock: Remarks on strength and stability issues
journal, June 2007


Crack propagation at a constant crack tip stress intensity factor
journal, August 1980


Earth boring apparatus employing high powered laser
patent, January 1978


Fiber optic sensors
patent, May 1990


EOR Field Experiences in Carbonate Reservoirs in the United States
conference, April 2013


Detonation system
patent, May 1995


Dominant rock properties affecting the penetration rate of percussive drills
journal, July 2003


Phased array Raman laser amplifier and operating method therefor
patent, November 1998


Laser heating of semi-infinite solid with consecutive pulses: Influence of materaial properties on temperature field
journal, April 2008


High Pressure Jet-Grouting Method
patent, April 1974


Formation tester
patent, March 1983


Fiber optic distributed sensing systems for harsh aerospace environments
conference, July 1999


The influence of residual stresses on rock hardness
journal, May 1974


Multi-parameter interferometric fiber optic sensor
patent, June 2004


Limitations on lightwave communications imposed by optical-fiber nonlinearities
journal, January 1990


Cutting Efficiency of a Single PDC Cutter on Hard Rock
journal, June 2009


Modified formation testing apparatus and method
patent, December 2000


Imaging sensor optical system
patent, May 2007


High-Power ZBLAN Glass Fiber Lasers: Review and Prospect
journal, January 2010


High power optical apparatus employing large-mode-area, multimode, gain-producing optical fibers
patent-application, July 2008


Optical Contacting Enhanced By Hydroxide Ions In A Non-Aqueous Solution
patent-application, December 2009


Water laser machine tool
patent, June 1998


Apparatus for a coustic detection of particles in a flow using a fibre optic interferometer
patent-application, February 2004


Holographic instrument for measuring stress in a borehole wall
patent, June 1976


Monitoring fluid flow through a filter
patent, September 2002


Laboratory Measurement and Correction of Thermal Properties for Application to the Rock Mass
journal, November 2005


Composite coiled tubing with embedded fiber optic sensors
patent-application, January 2002


Simulation of the coupled thermal optical effects for liquid immersion micro-/nano-lithography
conference, May 2004


Fluorescent dye penetrants applied to rock fractures
journal, March 1968


Faraday Rotators With Short Magneto-Optical Elements for 50-kW Laser Power
journal, June 2007


Method of and apparatus for subsurface exploration
patent, August 2001


Portable electrohydraulic mining drill
patent, April 1999


Application of high powered lasers to perforated completions
conference, January 2003

  • Xu, Zhiyue; Reed, Claude B.; Leong, Keng H.
  • ICALEO® 2003: 22nd International Congress on Laser Materials Processing and Laser Microfabrication, International Congress on Applications of Lasers & Electro-Optics
  • https://doi.org/10.2351/1.5060167

Investigation of thermal fatigue behavior of thermal barrier coating systems
journal, October 1997


Characterization of the Austin Chalk Producing Trend
conference, January 1986


Intrinsic Length Scales in Tool-Rock Interaction
journal, January 2008


Downhole Telemetry System Using an Optically Transmissive Fluid Media and Method for Use of Same
patent-application, January 2010


Dynamics of laser-induced cavitation bubbles near an elastic boundary
journal, April 2001


Wellbore cleanout apparatus and method
patent, May 1988


Silicone oil-based drilling fluids
patent, January 1998


Unequal Intervals
book, January 2005


Launch monitor
patent-application, December 2005


Glass fibers for stimulated Brillouin scattering and phase conjugation
journal, February 2007


Laser Welding Maching
patent, May 1968


Wellbore pressure testing method and apparatus
patent, February 1981


Drilling, perforating and formation analysis
patent-application, May 2006


Laser rock drilling by a super-pulsed CO2 laser beam
conference, January 2002

  • Xu, Z.; Reed, C. B.; Parker, R. A.
  • ICALEO® 2002: 21st International Congress on Laser Materials Processing and Laser Microfabrication, International Congress on Applications of Lasers & Electro-Optics
  • https://doi.org/10.2351/1.5065633

Moving boundary problems in phase change models current research questions
journal, April 1985


Waterjet-assisted rock cutting systems — the present state of the art
journal, July 1985


Concentric insulated tubing string
patent, October 1984


Equipment and Method for Reinforcing a Borehole of a Well While Drilling
patent-application, May 2012


Apparatus and Methods For Continuous Coring
patent-application, March 2009


Fiber optic sensing systems and methods
patent-application, December 2004


Correlation between Schmidt hardness, uniaxial compressive strength and Young’s modulus for andesites, basalts and tuffs
journal, April 2004


System and methods using fiber optics in coiled tubing
patent-application, December 2005


Laser welding of aluminium alloy 5083
conference, January 2002

  • Okon, P.; Dearden, G.; Watkins, K.
  • ICALEO® 2002: 21st International Congress on Laser Materials Processing and Laser Microfabrication, International Congress on Applications of Lasers & Electro-Optics
  • https://doi.org/10.2351/1.5065620

Rotary Tunneling Machine
patent, March 1909


Drilling, perforating and formation analysis
patent, February 2009


Drilling a Hole in Granite Submerged in Water By Use of CO<sub>2</sub> Laser
journal, February 2010


Thermal expansion behavior of igneous rocks
journal, October 1974


In situ measurement of gas content in formation fluid
patent, February 1983


Correlating schmidt hardness with compressive strength and young’s modulus of carbonate rocks
journal, October 1990


Conduit system
patent, May 1977


Study on rock-drilling using PDC bits for the prediction of torque and rate of penetration
journal, January 2009


Standoff laser induced-breakdown spectroscopy penetrometer system
patent, May 1998


Growth and structures of surface disturbances of a round liquid jet in a coaxial airflow
journal, April 2004


Well Perforating Apparatus and Method
patent, August 1969


The Design And Use Of Polycrystalline Diamond Compact Drag Bits In The Geothermal Environment
conference, September 1979


Universal downhole tool control apparatus and methods
patent-application, February 2004


Pipeline monitoring systems
patent, November 2003


The porosity and engineering properties of vesicular basalt in Saudi Arabia
journal, October 1999


Measuring device and method in a hydrocarbon production well
patent, April 1996


Formation Evaluation From Logging on Cuttings
journal, June 1998


Dynamic failure analysis on granite under uniaxial impact compressive load
journal, July 2008


Well Perforation Using High-Power Lasers
conference, October 2003


Flow Visualization and Characteristics of a Coaxial Jet with a Tabbed Annular Nozzle
journal, January 2006


Method and System for Forming a Non-Circular Borehole
patent-application, July 2011


Thermal fatigue of particle reinforced metal–matrix composite induced by laser heating and mechanical load
journal, July 2005


Analysis of Efficient High-Power Fiber Lasers for Well Perforation
conference, January 2004


Drilling tool for drilling web of channels for hydrocarbon recovery
patent-application, September 2006


Method and apparatus for a downhole excavation in a wellbore
patent-application, February 2007


Method and apparatus for spatial domain multiplexing in optical fiber communications
patent, February 2007


Armored cable containing a hermetically sealed tube incorporating an optical fiber
patent, June 1985


Development of underwater laser cutting technique for steel and zircaloy for nuclear applications
journal, December 2010


Rock failure mechanisms of flame-jet thermal spallation drilling—theory and experimental testing
journal, September 1989


Coiled Tubing Tractor Assembly
patent-application, March 2008


Laser heating of multilayer assembly and stress levels: elasto-plastic consideration
journal, December 2003


Rock albedo and monitoring of thermal conditions in respect of weathering: some expected and some unexpected results
journal, June 2005


Microwave assisted hard rock cutting
patent, March 1991


Plasma channel drilling process
patent, September 2007


Purging Of Fiber Optic Conduits In Subterranean Wells
patent-application, July 2009


Waveform Cross-Correlation-Based Differential Travel-Time Measurements at the Northern California Seismic Network
journal, December 2005


Spall damage modelling and dynamic fracture specificities of ceramics
journal, July 1992


Energy from Abandoned Oil and Gas Reservoirs
conference, January 2008


Particle modeling simulation of thermal effects on ore breakage
journal, October 2008


System and Method for Drilling and Competing Lateral Boreholes
patent-application, April 2011


Method and apparatus for determining flow rates
patent-application, January 2004


Retrieval Method For Opposed Slip Type Packers
patent-application, June 2011


Apparatus and Method for Electrocrushing Rock
patent-application, January 2010


System and Method for Drilling a Borehole
patent-application, October 2008


Blowout Preventer Monitoring System and Method of Using Same
patent-application, January 2012


Unique characteristic features of stimulated Brillouin scattering in small-core photonic crystal fibers
journal, January 2008


Laser short pulse heating: Influence of pulse intensity on temperature and stress fields
journal, October 2006


Nano-second laser pulse heating and assisting gas jet considerations
journal, May 2000


Characterization of Diagenetically Altered Carbonate Reservoirs, South Cowden Grayburg Reservoir, West Texas
conference, October 1996


Spectral signatures and optic coefficients of surface and reservoir shales and limestones at COIL, CO 2 , and Nd:YAG laser wavelengths
conference, October 2004


Composite spoolable tube
patent, January 2010


Device for Performing Deep Drillings and Method of Performing Deep Drillings
patent-application, December 2011


Flexible production tubing
patent, February 1983


Reducing Back-Reflections in Laser Processing Systems
patent-application, December 2009


The dynamic strength and fracture properties of dresser basalt
journal, May 1974


Drilling, perforating and formation analysis
patent, May 2011


Thermal expansion of silicon carbide materials
journal, June 1994


A noninvasive method for measuring the velocity of diffuse hydrothermal flow by tracking moving refractive index anomalies
journal, October 2010


Method and Device for Generating a Jet of Fluid for Material Processing and Fluid Nozzle for Use in Said Device
patent-application, December 2007


Two-channel, dual-mode, fiber optic rotary joint
patent-application, September 2007


Demonstration of the Power of Inter-Disciplinary Integration to Beat Field Development Challenges in a Complex Brown Field - South Oman
conference, January 2010


Case History of the University Block 9 (Wolfcamp) FieldA Gas-Water Injection Secondary Recovery Project
journal, December 1970


Investigation of thermal properties of some basalt samples in Egypt
journal, January 2004


Laser liner creation apparatus and method
patent, February 2005


Downhole cutting mill
patent-application, June 2004


Long Distance High Power Optical Laser Fiber Break Detection And Continuity Monitoring Systems And Methods
patent-application, November 2012


Methods and Apparatus for Thermal Drilling
patent-application, April 2010


Development of PDC Bits for Downhole Motors
report, January 1995


Prediction of thermal conductivity of rock through physico-mechanical properties
journal, January 2007


Coiled Tubing Deployed ESPs Utilizing Internally Installed Power Cable - A Project Update
conference, January 1997


Cavitation inception in quiescent and co-flow nozzle jets
journal, October 2010


High impact waterjet nozzle
patent-application, April 2004


Wellbore Laser Operations
patent-application, December 2010


NETL Extreme Drilling Laboratory Studies High Pressure High Temperature Drilling Phenomena
conference, May 2009

  • Lyons, K. David; Honeygan, Simone; Mroz, Thomas
  • ASME 2007 26th International Conference on Offshore Mechanics and Arctic Engineering, Volume 2: Structures, Safety and Reliability; Petroleum Technology Symposium
  • https://doi.org/10.1115/OMAE2007-29478

Effective Medium Theory of the Porosity Dependence of Bulk Moduli
journal, May 2001


Apparatus for Advancing a Wellbore Using High Power Laser Energy
patent-application, February 2010


Composition and Texture on Compressive Strength Variations in the Travis Peak Formation
conference, April 2013


Underwater Laser Welding by 4 kW CW YAG Laser
journal, October 2001


Optical fiber grating package
patent, March 2002


SBS threshold for single mode and multimode GRIN fibers in an all fiber configuration
journal, January 2005


Deepwater Drilling Riser System
journal, August 1986


Methods and Apparatus for Mechanical and Thermal Drilling
patent-application, September 2010


The Schmidt hammer in rock material characterization
journal, September 2005


Rotary drill bit
patent, February 1976


Inkjet ink having yellow dye mixture
patent, May 2006


Experiments in Thermal Spallation of Various Rocks
journal, January 1996


Insulating tubular conduit apparatus
patent, April 1984


Method and system for reservoir characterization in connection with drilling operations
patent-application, November 2005


Intervention Rod
patent-application, October 2009


Drilling, Perforating And Formation Analysis
patent-application, May 2009


Simultaneous Velocity and Concentration Measurements of a Turbulent Jet Mixing Flow
journal, October 2002


Knowledge Selection for Laser Drilling in the Oil and Gas Industry
conference, January 2005

  • 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

Fiber optic well logging means and method
patent, July 1979


Optics module for borehole stress measuring instrument
patent, November 1976


Monitoring of downhole parameters and tools utilizing fiber optics
patent, August 2001


Analysis of compressive fracture in rock using statistical techniques: Part I. A non-linear rule-based model
journal, October 1998


Hand-Held Laser Instrumentation Device
patent, June 1974


Pressure impulse telemetry apparatus and method
patent, March 2004


Laser machining of a workpiece
patent-application, August 2007


Off-axis rotary joint
patent-application, November 2006


Stress-strain relationship for empirical equations of creep in rocks
journal, March 1972


Apparatus for completing a subterranean well and associated methods of using same
patent, July 2000


Methods of well stimulation during drilling operations
patent-application, October 2005


Rock removal using high-power lasers for petroleum exploitation purposes
conference, September 2002


Compression-induced nonplanar crack extension with application to splitting, exfoliation, and rockburst
journal, August 1982


PDC Bit Selection Method Through the Analysis of Past Bit Performances
conference, October 1990


Linear aperture pseudospark switch
patent, August 2000


Laser boring method and system
patent, March 2005


A study of progressive failure of rock under cyclic loading by ultrasonic and AE monitoring techniques
journal, January 1992


Drag - Bit Model Including Wear
conference, April 1994


Control System For High Power Laser Drilling Workover And Completion Unit
patent-application, October 2012


A new thermal-shock-resistance model for ceramics: Establishment and validation
journal, September 2005


SBS threshold of a fiber with a Brillouin frequency shift distribution
journal, January 1996


Methane extraction method and apparatus using high-energy diode lasers or diode-pumped solid state lasers
patent-application, November 2007


Methods useful for controlling fluid loss during sand control operations
patent-application, November 2006


Implosion shaped charge perforator
patent, August 1989


Providing a light cell in a wellbore
patent, December 2005


The influence of steam pressure on thermal spalling of sedimentary rock: Theory and experiments
journal, January 1998


Microcrack statistics, Weibull distribution and micromechanical modeling of compressive failure in rock
journal, July 2006


Method and apparatus for the injection of cable into coiled tubing
patent, April 1996


Subterranean well pressure and temperature measurement
patent, October 2005


Prevention of Nozzle Wear in Abrasive Water Suspension Jets (AWSJ) Using Porous Lubricated Nozzles
journal, January 2003


Comparative Economics Of Deep Drilling In Anadarko Basin
conference, April 2013


Formation cutting method and system
patent, May 2002


Method and apparatus for performing rapid isotopic analysis via laser spectroscopy
patent-application, August 2003


A new approach to quantification of metamorphism using ultra-small and small angle neutron scattering
journal, December 2009


Undersea telecommunications cable having optical fibers in a tube
patent, June 1992


System and Method for Drilling Borehole
patent-application, May 2012


Fiber optic cable systems and methods to prevent hydrogen ingress
patent, January 2010


Implosion shaped charge perforator
patent, August 1989


Imaging sensor optical system
patent-application, October 2004


Method For Removing Hydrate Plug From A Flowline
patent-application, September 2010


Synchronous spectral line imaging methods and apparatus
patent, July 1999


Fluid Laser Jets, Cutting Heads, Tools and Methods of Use
patent-application, March 2012


Multiplexed distribution of optical power
patent-application, April 2002


Experimental investigation on the breakage of hard rock by the PDC cutters with combined action modes
journal, April 2001


Design concept for optical fibers with enhanced SBS threshold
journal, January 2005


Launch monitor
patent-application, December 2005


Launch monitor
patent, July 2008


Dependence of ceramic fracture properties on porosity
journal, January 1993


Fiber optic laser system and associated lasing method
patent, December 1997


Method and apparatus for an advanced optical analyzer
patent-application, November 2004


High Power Laser Photo-Conversion Assemblies, Apparatuses and Methods of Use
patent-application, October 2012


Dielectric properties of mixtures between mineral oil and natural ester
conference, September 2008

  • Suwarno, ; Darma, I. S.
  • 2008 International Symposium on Electrical Insulating Materials (ISEIM), 2008 International Symposium on Electrical Insulating Materials (ISEIM 2008)
  • https://doi.org/10.1109/ISEIM.2008.4664471

High power optical isolator
patent, May 2010


Apparatus and Method for Removing Subsea Structures
patent-application, October 2009


Laser spectroscopy/chromatography drill bit and methods
patent, December 2006


Fracture Mechanics Applications To Drilling And Blasting
journal, November 1997


Methods and Apparatus for Removal and Control of Material in Laser Drilling of a Borehole
patent-application, February 2010


Hydraulic fracturing in a sedimentary geothermal reservoir: Results and implications
journal, October 2005


Fundamental mechanisms of cutting front formation in laser cutting
conference, September 1994


Coiled tubing swivel assembly
patent, October 2009


Treatment of Solid Materials
patent, November 1970


Formation of load-bearing foundations by laser-beam irradiation of the soil
patent, April 1977


Concentric insulating conduit
patent, July 1985


Inverted S-shaped model for nonlinear fatigue damage of rock
journal, April 2009


Tensile fracture propagation and acoustic emission activity in sandstone: The effect of loading rate
journal, October 2005


Microporosity in micritic limestones: a review
journal, July 1989


Determinants of House Prices: A Quantile Regression Approach
journal, July 2007


Systems and Conveyance Structures for High Power Long Distance Laser Transmission
patent-application, March 2012


Subsea well pressure monitor
patent, December 1992


Optical Isolator for Unpolarized Laser Radiation at Multi-Kilowatt Average Power
conference, January 2006


Method and Apparatus for Wellbore Perforation
patent-application, May 2012


Fiber Optic Slickline and Tools
patent-application, June 2010


Dual property hydraulic configuration
patent-application, June 2005


Temperature Profile in Semi-infinite Body With Exponential Source and Convective Boundary Condition
journal, January 1990


Dissolvable Bridge Plug
patent-application, March 2011


Method and System for Advancement of a Borehole Using a High Power Laser
patent-application, February 2010


Downhole high resolution NMR spectroscopy with polarization enhancement
patent-application, June 2004


Experimental Study of Kilowatt-Average-Power Faraday Isolators
conference, January 2007


Effects of microstructures on dynamic compression of Barre granite
journal, September 2008


High throughput reconfigurable data analysis system
patent, December 2008


Method of and probe for subsurface exploration
patent, November 2001


Spectral signatures and optic coefficients of surface and reservoir rocks at COIL, CO 2 , and Nd:YAG laser wavelengths
conference, June 2004

  • 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

Pore Geometry in High- and Low-Permeability Sandstones, Travis Peak Formation, East Texas
journal, December 1990


System And Method For Cutting A Web To Provide A Covering
patent-application, February 2009


Two stages of spallation
journal, September 1985


Thermal Shock Drilling Bit
patent, April 1951


Brillouin gain spectrum characterization in single-mode optical fibers
journal, January 1997


Laser Drilling: Effects of Beam Application Methods on Improving Rock Removal
conference, October 2003


Analysis of stimulated Brillouin scattering in multi-mode fiber by numerical solution
journal, May 2003


Carbon Capture And Storage
patent-application, February 2011


A bonded-particle model for rock
journal, December 2004


Methods and Systems for Using a Laser to Clean Hydrocarbon Transfer Conduits
patent-application, August 2009


Method and System for Forming a Non-Circular Borehole
patent-application, February 2010


Rock Cutting By Laser
conference, April 2013


Optical fiber deployment system and cable
patent, May 2003


Advanced Cutting Structure Improves PDC Bit Performance in Hard and Abrasive Drilling Environments
conference, April 2013


Flame Boring Apparatus
patent, April 1956


Heat insulating tube
patent, December 1988


Porosity dependence of ultrasonic velocity and elastic modulus in sintered uranium dioxide — a discussion
journal, April 1986


Mixed Mode Cracking in Layered Materials
book, January 1991


Well perforating for increased production
patent-application, June 2006


Downhole Tool Delivery System With Self Activating Perforation Gun
patent-application, June 2011


The effect of temperature on the strength at high confining pressure of granodiorite containing free and chemically-bound water
journal, January 1976


Well Servicing Methods And Systems
patent-application, October 2007


High-velocity jet digging method
patent, September 1977


Downhole lens assembly for use with high power lasers for earth boring
patent-application, July 2003


Nonlinear Fiber Optics
book, January 2000


Bend loss in large core multimode optical fiber beam delivery systems
journal, January 1991


PDC Drill Bit Design and Field Application Evolution
journal, March 1988


A model for non-linear rock deformation under compression due to sub-critical crack growth
journal, November 1991


Seventeenth Canadian Geotechnical Colloquium: The effect of cohesion loss and stress path on brittle rock strength
journal, October 1997


Spoolable coiled tubing completion system
patent, May 1995


Downhole power source
patent-application, June 2008


Casingless down-hole for sealing an ablation volume and obtaining a sample for analysis
patent, October 1996


Method For Removing Oilfield Mineral Scale From Pipes And Tubing
patent-application, January 2008


High temperature insulated casing
patent, November 1983


Numerical studies of the influence of microstructure on rock failure in uniaxial compression — Part I: effect of heterogeneity
journal, June 2000


Optical Fiber Configurations for Transmission of Laser Energy Over Great Distances
patent-application, January 2012


Coiled Tubing Gamma Ray Detector
patent-application, April 2010


High-temperature downhole devices
patent, May 2010


Roller Bit Model With Rock Ductility and Cone Offset
conference, September 1987


Thermal Stress Distribution in Thick Wall Cylinder Under Thermal Shock
journal, January 2009


An evaluation of the microcrack density of rocks by ultrasonic velocimetric method
journal, July 1985


Pressure impulse telemetry apparatus and method
patent, May 2002


Cantilever Drilling - Ushering a New Genre of Drilling
conference, October 2003


Methods useful for controlling fluid loss in subterranean formations
patent-application, June 2006


Rock excavation with laser assistance
journal, July 1976


Purging of Fiber Optic Conduits in Subterranean Wells
patent-application, May 2012


Brillouin amplification in phase coherent transfer of optical frequencies over 480 km fiber
journal, January 2010


Radiation monitoring apparatus, systems, and methods
patent-application, March 2006


Submerged laser beam irradiation equipment
patent, August 1999


Use of distributed temperature sensors during wellbore treatments
patent, June 2006


Small Core Generation and Analysis At-Bit as LWD Tool
patent-application, January 2012


Some mechanisms of microcrack growth and interaction in compressive rock failure
journal, June 1981


Thermal fatigue life prediction of flip chip solder joints by fracture mechanics method
journal, July 1993


Composite coiled tubing apparatus and methods
patent, May 2000


Determination of the thermal conductivity from physico-mechanical properties
journal, February 2008


The ALL Electric BHA: Recent Developments toward an Intelligent Coiled-Tubing Drilling System
conference, January 1999


Dry geothermal drilling and recovery system
patent-application, January 2003


Fiber optic gyroscope coil lead dressing and method for forming the same
patent, October 1999


On the stability of dilatant hardening for saturated rock masses
journal, April 1975


Water Jet Guided Laser Device Having Light Guide Pipe
patent-application, September 2010


Laser diode/lens assembly
patent, March 1997


Off-axis rotary joint
patent, May 2008


Effect of Downhole Pressure Conditions on High-Power Laser Perforation
conference, October 2005


StarWars Laser Technology Applied to Drilling and Completing Gas Wells
conference, January 1998


Optical fiber conveyance, telemetry, and/or actuation
patent, November 2006


Downhole sensing with fiber in exterior annulus
patent, January 2005


Wave propagation, damage evolution, and dynamic fracture extension. Part I. Percussion drilling
journal, May 1996


Method for preparing and processing a sample for intensive analysis
patent-application, January 2005


Microstructured Optical Fiber
patent-application, June 2008


Optical Coiled Tubing Log Assembly
patent-application, April 2010


Modeling inelastic deformation: viscolelasticity, plasticity, fracture
journal, August 1988


Thermal analysis of laser drilling processes
journal, February 1972


CO2 laser–plume interaction in materials processing
journal, January 2001


Laser treatment of aluminum surface: Analysis of thermal stress field in the irradiated region
journal, January 2009


Tunneling by Lasers
patent, December 1970


Well system
patent-application, June 2005


Launch monitor
patent-application, December 2005


Sub-critical crack growth in anisotropic rock
journal, April 2006


Apparatus and Methods for Continuous Tomography of Cores
patent-application, June 2009


Laser-enhanced oil correlation system
patent, September 1991


Utilizing Salts For Carbon Capture And Storage
patent-application, February 2011


High Power Laser Pipeline Tool and Methods of Use
patent-application, October 2012


Apparatus for the injection of cable into coiled tubing
patent, February 1997


Enhanced Geothermal Systems (EGS) Well Construction Technology Evaluation Report
report, December 2008


Travis Peak Core Permeability and Porosity Relationships at Reservoir Stress
journal, September 1991


Optics Assembly For High Power Laser Tools
patent-application, November 2012


Method and Device for Fusion Drilling
patent-application, September 2011


Deep ocean riser positioning system and method of running casing
patent, March 2002


System and Method for Drilling Lateral Boreholes
patent-application, November 2011


Rock Properties of Berea Sandstone, Baker Dolomite, and Indiana Limestone
conference, January 1991


Earth boring method employing high powered laser and alternate fluid pulses
patent, December 1976


Rock Types, Depositional History, and Diagenetic Effects, Ivishak Reservoir, Prudhoe Bay Field
journal, February 1997


Method and apparatus using coiled-in-coiled tubing
patent, December 2002


A damage model for concrete beams in compression
journal, March 2007


Two-Phase Isolation Methods and Systems for Controlled Drilling
patent-application, March 2012


Measurement of the refractive index of liquids at 1.3 and 1.5 micron using a fibre optic Fresnel ratio meter
journal, July 2004


Insulated casing assembly
patent, June 1982


Method of extracting liquid and gaseous fuel from oil shale and tar sand
patent, May 1981


The Impact of Fracture–Matrix Interaction on Thermal–Hydrological Conditions in Heated Fractured Rock
journal, January 2006


Intervention rod
patent, August 2010


Method and Apparatus for Delivering High Power Laser Energy Over Long Distances
patent-application, February 2010


The influence of temperature dependent properties of thermal rock fragmentation
journal, August 1975


Nozzle system for laser beam cutting
patent, July 2002


On the Analysis of Short-Pulse Laser Heating of Metals Using the Dual Phase Lag Heat Conduction Model
journal, January 2009


Coil tubing string and downhole generator
patent, February 1994


Guidance System for a Mining Machine
patent-application, March 2012


Method And Apparatus For A Downhole Excavation In A Wellbore
patent-application, November 2009


Linear thermal expansion of granitic rocks: influence of apparent porosity, grain size and quartz content
journal, May 2004


Tutorial on maximum likelihood estimation
journal, February 2003


High power laser welding in hyperbaric gas and water environments
journal, June 1997


Rock Breakage Mechanisms With a PDC Cutter
conference, January 1985


Insulated and/or concentric coiled tubing
patent, January 2000


Stimulated Brillouin scattering in multimode fibers for optical phase conjugation
journal, July 2002


Leaky Modes in Weakly Guiding Fiber Acoustic Waveguides
journal, November 1986


Pulsed electric rock drilling apparatus
patent, August 2008


An experimental investigation of factors influencing compressional‐ and shear‐wave velocities and attenuations in tight gas sandstones
journal, January 1994


Bottom hole assembly
patent, December 2004


Adjustable Testing Tool and Method of Use
patent-application, June 2011


The effects of thermal softening and heat conduction on the dynamic growth of voids
journal, August 2003


Methods and Apparatus for Wellbore Enhancement
patent-application, April 2010


Microcrack interaction brittle rock subjected to uniaxial tensile loads
journal, February 2007


Optical Fiber Cable for Transmission of High Power Laser Energy Over Great Distances
patent-application, August 2010


Simulating stress corrosion with a bonded-particle model for rock
journal, July 2007


Laser wellbore completion apparatus and method
patent-application, October 2004


Acousto-ultrasonic study of thermal shock damage in castable refractory
journal, February 1991


The effect of interaction time and saturation of rock on specific energy in ND:YAG laser perforating
journal, February 2011


Heat and radiation resistant optical fiber
patent, September 1988


Fiber optic cable for use in harsh environments
patent, September 2008


Laser-Based Material Processing Methods And Systems
patent-application, August 2010


All-in-quartz optics for low focal shifts
conference, February 2011


Drilling large diameter holes in rocks using multiple laser beams
conference, January 2003

  • Parker, Richard; Xu, Zhiyue; Reed, Claude
  • ICALEO® 2003: 22nd International Congress on Laser Materials Processing and Laser Microfabrication, International Congress on Applications of Lasers & Electro-Optics
  • https://doi.org/10.2351/1.5060059

Permanent optical sensor downhole fluid analysis systems
patent, August 2002


Testing study of subcritical crack growth rate and fracture toughness in different rocks
journal, June 2006


System And Method For Deploying Optical Fiber
patent-application, October 2009


Single-mode Optical Fiber
patent-application, December 2007


Methods of using a laser to perforate composite structures of steel casing, cement and rocks
patent-application, October 2006


Downhole cutting mill
patent, January 2006


An extended model for void growth and coalescence
journal, December 2000


Thermal Insulating Tubing
patent, April 1971


Subsea intervention
patent, September 2007


High throughput reconfigurable data analysis system
patent-application, October 2004


Fiber optic tomographic imaging of borehole fluids
patent, March 2002


Laser Diode Array Downhole Spectrometer
patent-application, July 2008


The microstructures of perthitic alkali feldspars revealed by hydrofluoric acid etching
journal, April 1994


Methods and Apparatus for Delivering High Power Laser Energy to a Surface
patent-application, February 2010


Flexible composite tube
patent, March 1981


Conduit
patent, September 1987


Micro-scratch evaluation of rock types—a means to comprehend rock drill wear
journal, February 2004


Laser spallation of rocks for oil well drilling
conference, January 2004

  • Xu, Zhiyue; Reed, Claude B.; Parker, Richard
  • ICALEO® 2004: 23rd International Congress on Laser Materials Processing and Laser Microfabrication, International Congress on Applications of Lasers & Electro-Optics
  • https://doi.org/10.2351/1.5060237

Borehole Imaging
patent-application, October 2007


Reverse Circulating Sub for Fluid Flow Systems
patent, July 1974


Laboratory Testing of High-Pressure, High-Speed PDC Bits
conference, April 2013


Open-Hole Wellbore Lining
patent-application, July 2011


Repetitive laser pulse heating with a convective boundary condition at the surface
journal, December 2000


Method and apparatus for performing rapid isotopic analysis via laser spectroscopy
patent, November 2005


Optical fiber cable for underwater use using terrestrial optical fiber cable
patent, April 1999


Means for placing cable within coiled tubing
patent, November 1996


Simulation of bulk-absorption thermal lensing in transmissive optics of gravitational waves detectors
journal, October 2003


Reservoir Characterization of the Frontier Tight Gas Sand, Green River Basin, Wyoming
conference, January 1991


Device for measuring reflectance and fluorescence of in-situ soil
patent, July 1992


Dynamically positioned, concentric riser, drilling method and apparatus
patent, August 2001


PDC Bit Dynamics
conference, January 1992


Introduction To Fracture Mechanics And Its Geophysical Applications
book, January 1987


Damage model for brittle elastic solids with unequal tensile and compressive strengths
journal, November 1994


High-Power Yb3+-Doped Phosphate Fiber Amplifier
journal, January 2009


Slimbore subsea completion system and method
patent, May 2001


Upgoing Drainholes for Reducing Liquid-Loading in Gas Wells
patent-application, March 2012


Formation Evaluation With Logs In The Deep Anadarko Basin
conference, September 1972


Damage constitutive model for strain-softening rock based on normal distribution and its parameter determination
journal, October 2007


Apparatus for completing a subterranean well and associated methods of using same
patent, June 2000


Flow structure and optical beam propagation in high-Reynolds-number gas-phase shear layers and jets
journal, April 2001


Separating Bit and Lithology Effects from Drilling Mechanics Data
conference, January 1988


Apparatus for completing a subterranean well and associated methods of using same
patent, May 2000


Prediction of thermal conductivity of rocks by soft computing
journal, May 2010


Process and arrangement for superimposing ray bundles
patent-application, March 2006


Laser Assisted Riser Disconnect and Method of Use
patent-application, August 2012


Shielding properties of laser-induced breakdown in water for pulse durations from 5 ns to 125 fs
journal, January 1997


Asymptotic analysis of crack interaction with free boundary
journal, February 2000


Method and apparatus for an advanced optical analyzer
patent, March 2010


Raman spectroscopy crystallization analysis method
patent, March 2005


Fatigue crack growth in lithium hydride
dissertation, September 1993


Generalized Hermite Polynomials and the Heat Equation for Dunkl Operators
journal, April 1998


Drilling a 2-inch in Diameter Hole in Granites Submerged in Water by CO2 Lasers
conference, January 2009


Well logging system
patent, February 1980


Sensing System Using Optical Fiber Suited to High Temperatures
patent-application, November 2008


Jet Impingement Heat Transfer: Physics, Correlations, and Numerical Modeling
book, January 2006


Microcracks in rocks: A review
journal, December 1983


Method of coring crustal core sample, and antimicrobial polymeric gel and gel material used in the method
patent-application, February 2004


High strength-to-weight-ratio slickline and multiline cables
patent, October 2009


Natural fractures in the Barnett Shale and their importance for hydraulic fracture treatments
journal, April 2007


Electric Motor for Laser-Mechanical Drilling
patent-application, October 2012


A micromechanical damage model for concrete
journal, January 1986


Method For Monitoring Fluid Properties
patent-application, June 2007


Simulating and Designing Brillouin Gain Spectrum in Single-Mode Fibers
journal, February 2004


Study of subcritical crack growth in andesite using the Double Torsion test
journal, June 2005


Innovation in Wellbore Perforation Using High-Power Laser
conference, November 2005


An empirical relationship between thermal conductivity and elastic wave velocities in sandstone
journal, August 1993


Collapse and rebound of a laser-induced cavitation bubble
journal, October 2001


Crack Arrest and Multiple Cracking in Glass Through the Use of Designed Residual Stress Profiles
journal, February 1999


Damage in granite under heating/cooling cycles and water freeze–thaw condition
journal, October 2008


Stress resistance parameters of brittle solids under laser/plasma pulse heating
journal, September 2000


Method and Apparatus for Performing Laser Operations Downhole
patent-application, July 2008


Chebyshev rational spectral and pseudospectral methods on a semi-infinite interval
journal, January 2001

  • Guo, Ben-yu; Shen, Jie; Wang, Zhong-qing
  • International Journal for Numerical Methods in Engineering, Vol. 53, Issue 1, p. 65-84
  • https://doi.org/10.1002/nme.392

Marine riser
patent, June 2002


Formation of Fractures Within Horizontal Well
patent-application, March 2011


System and Method for Deploying Optical Fiber
patent-application, October 2011


High-power All-Fiber components: the missing link for high-power fiber lasers
conference, June 2004


Armored fiber optic cables
patent, May 1993


Wellbore tractor and method of moving an item through a wellbore
patent, August 1998


Transmission of Light Through Light Absorbing Medium
patent-application, August 2011


Launch monitor
patent-application, December 2005


Rock perforation by pulsed Nd:YAG laser
conference, January 2004

  • Xu, Zhiyue; Reed, Claude B.; Graves, Ramona
  • ICALEO® 2004: 23rd International Congress on Laser Materials Processing and Laser Microfabrication, International Congress on Applications of Lasers & Electro-Optics
  • https://doi.org/10.2351/1.5060219

Spectral Gamma-Ray Logging in the Texas Austin Chalk Trend
journal, March 1980


Laser diode/lens assembly
patent, March 1996


System and technique for monitoring and managing the deployment of subsea equipment
patent-application, December 2002


Methods of perforating and testing wells using coiled tubing
patent, October 1994


Laser spectroscopy/chromatography drill bit and methods
patent-application, December 2005


Downhole Cables with Both Fiber and Copper Elements
patent-application, January 2010


Method and System for Forming a Non-Circular Borehole
patent-application, April 2008


The role of thermal stress fatigue in the breakdown of rock in cold regions
journal, December 1999


Apparatus for perforating oil and gas wells
patent, August 1981


Semianalytical Productivity Models for Perforated Completions
journal, February 1991


Optical fibre means
patent, August 2006


Optimum force characteristics of rotary-percussive machines for drilling blast holes
journal, January 1967


Internally profiled stator tube
patent, October 2001


Rock Failure Under Dynamic Loading Conditions
journal, March 1963


Vickers and Knoop hardness of electron beam deposited ZrC and HfC thin films on titanium
journal, April 2006


Use of cesium as a tracer in coring operations
patent, July 2005


Optimization of parameters for fibre laser cutting of a 10 mm stainless steel plate
journal, May 2011

  • Wandera, C.; Kujanpää, V.
  • Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture, Vol. 225, Issue 5, p. 641-649
  • https://doi.org/10.1177/2041297510394078

Dynamics of femtosecond laser-induced breakdown in water from femtoseconds to microseconds
journal, January 2002


Multi-channel, multi-spectrum imaging spectrometer
patent-application, February 2006


Anisotropic distributed feedback fiber laser sensor
patent-application, May 2004


Continuous damage model for load-response estimation of concrete
journal, May 1980


Process And Apparatus For Subterranean Drilling
patent-application, July 2010


Fiber optic probe with integral optical filtering
patent, January 1999


Drag Bit Wear Model
journal, June 1989


Development, testing and track record of fiber-optic, wet-mate, connectors
conference, January 2003


Dual wall drill string assembly
patent, December 2006


Rugged Passively Cooled High Power Laser Fiber Optic Connectors and Methods of Use
patent-application, January 2013


Apparatus for acoustic detection of particles in a flow using a fiber optic interferometer
patent, July 2006


Theory of fiber-optic, evanescent-wave spectroscopy and sensors
journal, January 1996


Launch monitor
patent-application, December 2005


Well perforating apparatus and method
patent, October 1980


Spoolable flexible sliding sleeve
patent, February 1996


Fiber optic cables coupling and methods therefor
patent, May 2012


Laser pile cutter
patent, April 1979


Disconnect check valve mechanism for coiled tubing
patent, October 2004


Use of Distributed Temperature Sensors During Wellbore Treatments
patent-application, July 2004


Methods Useful for Controlling Fluid Loss in Subterranean Formations
patent-application, March 2012


Well system
patent, February 2007


Small Core Generation and Analysis At-Bit as LWD Tool
patent-application, January 2012


A simple crack-extension criterion for time-dependent spallation
journal, April 1971


Cutting thin sheet metal with a water jet guided laser using various cutting distances, feed speeds and angles of incidence
journal, April 2006


Correlation of Yield Strength and Tensile Strength with Hardness for Steels
journal, April 2008


Laser power requirement for cutting thick-section steel and effects of processing parameters on mild steel cut quality
journal, May 2011

  • 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

Method and device for excavating submerged stratum
patent-application, May 2009


Latching Configuration for a Microtunneling Apparatus
patent-application, November 2011


Method for determining the relative clay content of well core
patent, December 2000


Aluminum riser apparatus, system and method
patent, September 2003


In-situ laser retorting of oil shale
patent, December 1977


Elastic Modulus Measurements via Laser-Ultrasonic and Knoop Indentation Techniques in Thermally Sprayed Coatings
journal, March 2005


Multiple pass optical rotary joint
patent, February 1988


    Works referencing / citing this record:

    Fiber-optic spectroscopic probe with reduced background luminescence
    patent, March 2000


    Rock melting excavation process
    patent, April 1992