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Title: High power laser perforating tools and systems

Patent ·
OSTI ID:1129396
; ; ; ;

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.

Research Organization:
Foro Energy, Inc., Littleton, CO (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AR0000044
Assignee:
Foro Energy, Inc. (Littleton, CO)
Patent Number(s):
8,701,794
Application Number:
13/800,559
OSTI ID:
1129396
Resource Relation:
Patent File Date: 2013 Mar 13
Country of Publication:
United States
Language:
English

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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
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
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
Equipment for excavation of deep boreholes in geological formation and the manner of energy and material transport in the boreholes patent December 2011
Launch monitor patent July 2008
Dependence of ceramic fracture properties on porosity journal January 1993
Fiber optics laser perforation tool patent May 2005
Fiber optic laser system and associated lasing method patent December 1997
Method and apparatus for an advanced optical analyzer patent-application November 2004
Producing hydrocarbons from well with underground reservoir patent June 2001
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
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
Method and Apparatus for Regulating the Resistance of Film Resistors patent October 1972
Fiber Optic Slickline and Tools patent-application June 2010
Dual property hydraulic configuration patent-application June 2005
Characterization of semiconductor strained layers grown on (110)-type substrates by high-resolution X-ray diffractometry journal November 1996
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
Focused shock spark discharge drill using multiple electrodes patent May 1988
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
  • 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
conference June 2004
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
Anchored wavey conduit in coiled tubing patent July 1995
A bonded-particle model for rock journal December 2004
Method for preparing and processing a sample for intensive analysis patent March 2007
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
Apparatus and process for employing synergistic destructive powers of a water stream and a laser beam patent October 1994
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
Apparatus to allow a coiled tubing tractor to traverse a horizontal wellbore patent February 2007
Apparatus to allow a coiled tubing tractor to traverse a horizontal wellbore patent September 2007
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
Distribution and Cutting of Rocks, Glass and the Like patent January 1971
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
Combined Bragg grating wavelength interrogator and Brillouin backscattering measuring instrument patent April 2007
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
Inner tube assembly for dual conduit drill pipe patent July 1981
Rock excavation with laser assistance journal July 1976
Modularized fiber optic laser system and associated optical amplification modules patent April 2002
Purging of Fiber Optic Conduits in Subterranean Wells patent-application May 2012
Assembly and method for determining thermal properties of a formation and forming a liner patent February 2008
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
Submarine cable having a centrally located tube containing optical fibers patent October 1995
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
Borehole pressure and temperature measurement system patent November 1992
Spoolable flexible hydraulically set, straight pull release well packer patent January 2000
Safeguarded method and apparatus for fluid communiction using coiled tubing, with application to drill stem testing patent June 1997
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
Fluorescence sensing apparatus for determining presence of native hydrocarbons from drilling mud patent January 1992
Process for Extracting Oil from Oil Shale patent March 1972
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 Beam Device and Method for Subterranean Recovery of Fluids patent September 1972
Laser treatment of aluminum surface: Analysis of thermal stress field in the irradiated region journal January 2009
Tunneling by Lasers patent December 1970
Predicting the Uniaxial Compressive Strength and Static Young’s Modulus of Intact Sedimentary Rocks Using the Ultrasonic Test journal January 2009
Well system patent-application June 2005
Launch monitor patent-application December 2005
Spoolable flexible hydraulic controlled coiled tubing safety valve patent September 2000
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
Fiber output coupler with beam shaping optics for laser materials processing system patent March 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
Assembly and method for determining thermal properties of a formation and forming a liner patent-application August 2006
Spoolable coiled tubing mandrel and gas lift valves patent January 1996
Travis Peak Core Permeability and Porosity Relationships at Reservoir Stress journal September 1991
Methods and compositions for thermally treating a conduit used for hydrocarbon production or transmission to help remove paraffin wax buildup patent December 2009
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
Laser drilling method and system of fossil fuel recovery patent September 1978
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
Integrating Sphere Photovoltaic Receiver (Powersphere) For Laser Light To Electric Power Conversion patent-application November 2009
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
Dry geothermal drilling and recovery system patent September 2003
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
Apparatus and method for installing coiled tubing in a well patent May 1996
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
New PDC Bit Technology, Improved Drillability Analysis, and Operational Practices Improve Drilling Performance in Hard and Highly Heterogeneous Applications conference April 2013
Method and Apparatus for the Production of Sonic or Ultrasonic Waves on a Surface patent March 1970
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
Electrically stimulated well production system with flexible tubing conductor patent May 1987
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
Determination of thermal properties of a formation patent August 2006
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
Measuring the weight on a drill bit during drilling operations using coherent radiation patent December 2009
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
Apparatus and method for detection and concentration measurement of trace metals using laser induced breakdown spectroscopy patent December 1998
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
Spoolable coiled tubing completion system patent June 1995
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
Measuring the weight on a drill bit during drilling operations using coherent radiation patent-application April 2006
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
  • 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
conference January 2003
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
Apparatus for Providing Energy Communication Between a Moving and a Stationary Terminal patent June 1971
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
Method of coring crustal core sample, and antimicrobial polymeric gel and gel material used in the method patent March 2006
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
Method and apparatus for testing wells using dual coiled tubing patent April 1996
Methods and Apparatus for Delivering High Power Laser Energy to a Surface patent-application February 2010
Multiplexed distribution of optical power patent July 2006
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
Using compression wave ultrasonic transducers to measure the velocity of surface waves and hence determine dynamic modulus of elasticity for concrete journal June 1996
Laser spallation of rocks for oil well drilling
  • 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
conference January 2004
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
VOLAN Interpretation and Application in the Bone Spring Formation (Leonard Series) in Southeastern New Mexico conference January 1984
A Review and Evaluation of Specific Heat Capacities of Rocks, Minerals, and Subsurface Fluids. Part 1: Minerals and Nonporous Rocks journal June 2004
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
Device for drilling holes in the crust of the earth, especially for drilling oil wells patent June 1996
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
Force sensor and sensing method using crystal rods and light signals patent March 1995
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
Apparatus for employing destructive resonance patent April 1991
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
Evolution of Porosity and Permeability in the Lower Cretaceous Travis Peak Formation, East Texas (1) journal January 1992
Method, Drilling Machine, Drill bit and Bottom Hole Assembly for Drilling by Electrical Discharge by Electrical Discharge Pulses patent-application May 2009
Shielding properties of laser-induced breakdown in water for pulse durations from 5 ns to 125 fs journal January 1997
Method and apparatus for an advanced optical analyzer patent March 2010
Anisotropic distributed feedback fiber laser sensor patent April 2005
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
Inverted motor for drilling rocks, soils and man-made materials and for re-entry and cleanout of existing wellbores and pipes patent June 2006
Drilling a 2-inch in Diameter Hole in Granites Submerged in Water by CO2 Lasers conference January 2009
Well logging system patent February 1980
Continuous drilling of vertical boreholes by thermal processes: including rock spallation and fusion patent June 1998
Sensing System Using Optical Fiber Suited to High Temperatures patent-application November 2008
In Situ Recovery of Earth Minerals and Derivative Compounds by Laser patent February 1970
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
Downhole flame spray welding tool system and method patent December 2002
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
  • 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
journal January 2001
Marine riser patent June 2002
Formation of Fractures Within Horizontal Well patent-application March 2011
Solid-state spectrally-pure linearly-polarized pulsed fiber amplifier laser system useful for ultraviolet radiation generation patent June 1999
Spoolable flexible hydraulic controlled coiled tubing safety valve patent June 1995
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
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
Method and apparatus for installing electrical logging cable inside coiled tubing patent June 1992
Assembly and Method for Determining Thermal Properties of a Formation and Forming a Liner patent-application March 2008
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
  • 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
conference January 2004
Spectral Gamma-Ray Logging in the Texas Austin Chalk Trend journal March 1980
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
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
High pressure and temperature sensing for the oil industry using fiber Bragg gratings written onto side hole single mode fiber conference December 2017
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
Method for removing oilfield mineral scale from pipes and tubing patent December 2011
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
  • 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
journal May 2011
Measuring the weight on a drill bit during drilling operations using coherent radiation patent July 2008
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
Multiple sheath cable and method of manufacture patent January 1983
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
Role of shale thickness on vertical connectivity of fractures: application of crack-bridging theory to the Austin Chalk, Texas journal July 2001
Measuring The Weight On A Drill Bit During Drilling Operations Using Coherent Radiation patent-application January 2009
Rugged Passively Cooled High Power Laser Fiber Optic Connectors and Methods of Use patent-application January 2013
Method for laser drilling subterranean earth formations patent August 1976
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
Apparatus for completing a subterranean well and associated methods of using same patent September 1998
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
Method for reducing strain on bragg gratings patent October 2001
Well system patent February 2007
Small Core Generation and Analysis At-Bit as LWD Tool patent-application January 2012
Methods of using a laser to perforate composite structures of steel casing, cement and rocks patent February 2009
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
  • 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
journal May 2011
Method and device for excavating submerged stratum patent-application May 2009
Method for in situ gasification of a subterranean coal bed patent May 1977
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

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