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Title: Method and apparatus for delivering high power laser energy over long distances

Patent ·
OSTI ID:1092956
; ; ; ;

Systems, 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 drilling of a borehole in the earth. These systems can deliver high power laser energy down a deep borehole, while maintaining the high power to advance such boreholes deep into the earth and at highly efficient advancement rates.

Research Organization:
US Department of Energy (USDOE), Washington, DC (United States). Advanced Research Projects Agency-Energy (ARPA-E)
Sponsoring Organization:
USDOE
DOE Contract Number:
AR0000044
Assignee:
Foro Energy, Inc. (Littleton, CO)
Patent Number(s):
8,511,401
Application Number:
12/544,136
OSTI ID:
1092956
Country of Publication:
United States
Language:
English

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Downhole high resolution NMR spectroscopy with polarization enhancement patent-application June 2004
Wellbore pressure testing method and apparatus patent February 1981
Rock removal using high-power lasers for petroleum exploitation purposes conference September 2002
Armored cable containing a hermetically sealed tube incorporating an optical fiber patent June 1985
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
System and methods using fiber optics in coiled tubing patent November 2009
A study of progressive failure of rock under cyclic loading by ultrasonic and AE monitoring techniques journal January 1992
Apparatus and Methods for Continuous Tomography of Cores patent-application June 2009
Force sensor and sensing method using crystal rods and light signals patent March 1995
Drag - Bit Model Including Wear conference April 1994
Well perforating for increased production patent-application June 2006
High-temperature downhole devices patent May 2010
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
Adjustable Testing Tool and Method of Use patent-application June 2011
Fiber Optic Cable Having a Dry Insert patent-application July 2009
Composite coiled tubing apparatus and methods patent August 1999
The influence of steam pressure on thermal spalling of sedimentary rock: Theory and experiments journal January 1998
Portable electrohydraulic mining drill patent April 1999
Microcrack statistics, Weibull distribution and micromechanical modeling of compressive failure in rock journal July 2006
Rock melting excavation process patent April 1992
Apparatus and method for installing coiled tubing in a well patent May 1996
Launch monitor patent-application December 2005
Studies of the frictional heating of polycrystalline diamond compact drag tools during rock cutting report June 1982
Methods of using a laser to perforate composite structures of steel casing, cement and rocks patent February 2009
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
A new approach to quantification of metamorphism using ultra-small and small angle neutron scattering journal December 2009
Flat bottom drilling bit with polycrystalline cutters patent October 1989
Method and system for reservoir characterization in connection with drilling operations patent-application November 2005
Dual wall drill string assembly patent November 2006
Combination cable capable of simultaneous transmission of electrical signals in the radio and microwave frequency range and optical communication signals patent November 1996
Method And Apparatus For A Downhole Excavation In A Wellbore patent-application November 2009
Phased array Raman laser amplifier and operating method therefor patent November 1998
Optics module for borehole stress measuring instrument patent November 1976
Heat insulating tube patent December 1988
Experimental investigation on the breakage of hard rock by the PDC cutters with combined action modes journal April 2001
Optical fiber with low OH impurity and communication system using the optical fiber patent November 1997
Design concept for optical fibers with enhanced SBS threshold journal January 2005
Spoolable composite tubular member with energy conductors patent June 1999
Use of distributed temperature sensors during wellbore treatments patent June 2006
Off-axis rotary joint patent May 2008
High-flex optical fiber coil cable patent January 1993
Dependence of ceramic fracture properties on porosity journal January 1993
Pulsed Electric Rock Drilling Apparatus with Non-Rotating Bit and Directional Control patent-application February 2009
Dielectric properties of mixtures between mineral oil and natural ester conference September 2008
Fracture Mechanics Applications To Drilling And Blasting journal November 1997
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
Method of severing a downhole pipe in a well borehole patent July 1999
Release tool for coiled tubing patent July 2007
Inverted S-shaped model for nonlinear fatigue damage of rock journal April 2009
Method Of Protecting High Power Laser Drilling, Workover And Completion Systems From Carbon Gettering Deposits patent-application November 2012
Device for excellently coupling a laser beam to a transmission medium through a lens patent August 1981
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
Optical Isolator for Unpolarized Laser Radiation at Multi-Kilowatt Average Power conference January 2006
Inverted motor for drilling rocks, soils and man-made materials and for re-entry and cleanout of existing wellbores and pipes patent June 2006
Coiled Tubing Tractor Assembly patent-application March 2008
Apparatus and method for estimating filtrate contamination in a formation fluid patent-application April 2007
Measuring the weight on a drill bit during drilling operations using coherent radiation patent July 2008
Laser pile cutter patent April 1979
Temperature Profile in Semi-infinite Body With Exponential Source and Convective Boundary Condition journal January 1990
Determination of thermal properties of a formation patent-application December 2004
Method and apparatus for a downhole spectrometer based on electronically tunable optical filters patent April 2008
Experimental Study of Kilowatt-Average-Power Faraday Isolators conference January 2007
Effects of microstructures on dynamic compression of Barre granite journal September 2008
Downhole Tool Delivery System With Self Activating Perforation Gun patent-application June 2011
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
Method and apparatus for performing rapid isotopic analysis via laser spectroscopy patent-application August 2003
Coupled analysis of flow, stress and damage (FSD) in rock failure journal June 2002
Shaped-charge with simultaneous multi-point initiation of explosives patent January 1996
Laser boring method and system patent March 2005
Multi-parameter interferometric fiber optic sensor patent June 2004
Two stages of spallation journal September 1985
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
A bonded-particle model for rock journal December 2004
Coil tubing string and downhole generator patent February 1994
Inverted motor for drilling rocks, soils and man-made materials and for re-entry and cleanout of existing wellbores and pipes patent July 2005
Assembly and method for determining thermal properties of a formation and forming a liner patent April 2009
Apparatus for employing destructive resonance patent April 1991
Method and apparatus for obtaining a micro sample downhole patent May 2007
Rock Cutting By Laser conference April 2013
Advanced Cutting Structure Improves PDC Bit Performance in Hard and Abrasive Drilling Environments conference April 2013
Method Of And System For Hydrocarbon Recovery patent-application July 2010
Well logging system patent February 1980
Porosity dependence of ultrasonic velocity and elastic modulus in sintered uranium dioxide — a discussion journal April 1986
Downhole Cables with Both Fiber and Copper Elements patent-application January 2010
Methane extraction method and apparatus using high-energy diode lasers or diode-pumped solid state lasers patent-application November 2007
Mixed Mode Cracking in Layered Materials book January 1991
Methods useful for controlling fluid loss during sand control operations patent-application November 2006
Pipeline monitoring systems patent November 2003
The effect of temperature on the strength at high confining pressure of granodiorite containing free and chemically-bound water journal January 1976
Fiber optic sensors patent May 1990
Method and Apparatus for Wellbore Perforation patent-application May 2012
Method and System for Forming a Non-Circular Borehole patent-application February 2010
Bitless Drilling System patent-application July 2011
Bend loss in large core multimode optical fiber beam delivery systems journal January 1991
Casingless down-hole for sealing an ablation volume and obtaining a sample for analysis patent October 1996
PDC Drill Bit Design and Field Application Evolution journal March 1988
Apparatus for perforating oil and gas wells patent August 1981
Multi-channel, multi-spectrum imaging spectrometer patent-application February 2006
A model for non-linear rock deformation under compression due to sub-critical crack growth journal November 1991
Apparatus and methods for continuous tomography of cores patent September 2011
Downhole power source patent November 2010
Seventeenth Canadian Geotechnical Colloquium: The effect of cohesion loss and stress path on brittle rock strength journal October 1997
Well system patent-application June 2005
Linear aperture pseudospark switch patent August 2000
Wellbore tractor and method of moving an item through a wellbore patent August 1998
Flame Boring Apparatus patent April 1956
Rotary drill bit patent February 1976
Numerical studies of the influence of microstructure on rock failure in uniaxial compression — Part I: effect of heterogeneity journal June 2000
Synchronous spectral line imaging methods and apparatus patent July 1999
Combined Bragg grating wavelength interrogator and brillouin backscattering measuring instrument patent-application May 2005
Rotary Tunneling Machine patent March 1909
Conduit patent September 1987
Method and Apparatus for Regulating the Resistance of Film Resistors patent October 1972
Open-Hole Wellbore Lining patent-application July 2011
Heat warning safety device using fiber optic cables patent August 2006
Method of manufacturing an optical fiber patent February 1981
Optical fiber cable coated with conductive metal coating and process therefor patent March 1992
Inner tube assembly for dual conduit drill pipe patent July 1981
Purging of Fiber Optic Conduits in Subterranean Wells patent-application May 2012
Low profile and lightweight high pressure blowout preventer patent August 1997
Multiplexed distribution of optical power patent July 2006
Roller Bit Model With Rock Ductility and Cone Offset conference September 1987
Laser Beam Device and Method for Subterranean Recovery of Fluids patent September 1972
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
Multiplexed distribution of optical power patent-application April 2002
Cantilever Drilling - Ushering a New Genre of Drilling conference October 2003
Rock excavation with laser assistance journal July 1976
Laser liner creation apparatus and method patent February 2005
High throughput reconfigurable data analysis system patent December 2008
Brillouin amplification in phase coherent transfer of optical frequencies over 480 km fiber journal January 2010
Downhole cutting mill patent-application June 2004
Conduit system patent May 1977
Some mechanisms of microcrack growth and interaction in compressive rock failure journal June 1981
Method for determining the relative clay content of well core patent December 2000
Fiber Optic Slickline and Tools patent-application June 2010
Thermal fatigue life prediction of flip chip solder joints by fracture mechanics method journal July 1993
Determination of the thermal conductivity from physico-mechanical properties journal February 2008
Inkjet ink having yellow dye mixture patent May 2006
The ALL Electric BHA: Recent Developments toward an Intelligent Coiled-Tubing Drilling System conference January 1999
Flexible production tubing patent February 1983
Fluid Laser Jets, Cutting Heads, Tools and Methods of Use patent-application March 2012
Method and apparatus for machining material with a liquid-guided laser beam patent May 1999
Successful Drilling of Basalt in a West of Shetland Deepwater Discovery conference September 2005
On the stability of dilatant hardening for saturated rock masses journal April 1975
Raman spectroscopy crystallization analysis method patent March 2005
Spoolable coiled tubing mandrel and gas lift valves patent January 1996
Method and Device for Generating a Jet of Fluid for Material Processing and Fluid Nozzle for Use in Said Device patent-application December 2007
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
Methods and Systems for Using a Laser to Clean Hydrocarbon Transfer Conduits patent-application August 2009
Apparatus and Method for Removing Subsea Structures patent-application October 2009
Wave propagation, damage evolution, and dynamic fracture extension. Part I. Percussion drilling journal May 1996
Apparatus and Method for Enabling Quantum-Defect-Limited Conversion Efficiency in Cladding-Pumped Raman Fiber Lasers patent-application July 2011
Spoolable coiled tubing completion system patent June 1995
Apparatus, Method, and Computer Program Product for Testing Waveguided Display System and Components patent-application September 2005
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
Holographic instrument for measuring stress in a borehole wall patent June 1976
Deep ocean riser positioning system and method of running casing patent March 2002
Fiber optic sensor capable of using optical power to sense a parameter patent-application December 2006
Aluminum riser apparatus, system and method patent September 2003
High Power Laser-Mechanical Drilling Bit and Methods of Use patent-application October 2012
Laser treatment of aluminum surface: Analysis of thermal stress field in the irradiated region journal January 2009
Measuring the weight on a drill bit during drilling operations using coherent radiation patent-application April 2006
Predicting the Uniaxial Compressive Strength and Static Young’s Modulus of Intact Sedimentary Rocks Using the Ultrasonic Test journal January 2009
Two-channel, dual-mode, fiber optic rotary joint patent April 2009
Thermal Insulating Tubing patent April 1971
Device for Performing Deep Drillings and Method of Performing Deep Drillings patent-application December 2011
Latching Configuration for a Microtunneling Apparatus patent-application November 2011
Sub-critical crack growth in anisotropic rock journal April 2006
Composite spoolable tube patent January 2010
Transmission of Light Through Light Absorbing Medium patent-application August 2011
Method of and probe for subsurface exploration patent November 2001
Process for recovering viscous, combustible material patent October 1980
Coil tubing supported electrical submersible pump patent December 1993
Small Core Generation and Analysis At-Bit as LWD Tool patent-application January 2012
Methods of perforating and testing wells using coiled tubing patent October 1994
Enhanced Geothermal Systems (EGS) Well Construction Technology Evaluation Report report December 2008
Combined Bragg grating wavelength interrogator and Brillouin backscattering measuring instrument patent April 2007
Downhole cutting mill patent January 2006
Calculation of Estimated Ultimate Recovery for wells in continuous-type oil and gas accumulations of the Uinta-Piceance Province journal November 2003
Travis Peak Core Permeability and Porosity Relationships at Reservoir Stress journal September 1991
Method and apparatus for drilling with high-pressure, reduced solid content liquid patent December 1996
Method and apparatus for testing wells using dual coiled tubing patent April 1996
Water Jet Guided Laser Device Having Light Guide Pipe patent-application September 2010
Device for carrying out measuring and servicing operations in a well bore, comprising tubing having a rod centered therein, process for assembling the device and use of the device in an oil well patent September 1994
Fiber optic probe with integral optical filtering patent January 1999
Dual property hydraulic configuration patent-application June 2005
Rock Properties of Berea Sandstone, Baker Dolomite, and Indiana Limestone conference January 1991
Method for in situ gasification of a subterranean coal bed patent May 1977
Coiled tubing concentric gas lift valve assembly patent November 1995
Optical fiber for transmitting ultraviolet ray, optical fiber probe, and method of manufacturing the optical fiber probe patent September 2005
Blowout Preventer Monitoring System and Method of Using Same patent-application January 2012
Laser machining of a workpiece patent-application August 2007
Rock Types, Depositional History, and Diagenetic Effects, Ivishak Reservoir, Prudhoe Bay Field journal February 1997
Reeled tubing support for downhole equipment module patent May 1995
Spoolable flexible hydraulically set, straight pull release well packer patent January 2000
A damage model for concrete beams in compression journal March 2007
Portable and directional electrocrushing drill patent July 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
Method and apparatus for aligning rotor in stator of a rod driven well pump patent April 2007
Distributed flow properties wellbore measurement system patent April 2005
Heat and radiation resistant optical fiber patent September 1988
The Impact of Fracture–Matrix Interaction on Thermal–Hydrological Conditions in Heated Fractured Rock journal January 2006
Manufacture of optical fiber and optical fiber tape patent-application March 2002
Broadband or Mid-Infrared Fiber Light Sources patent-application September 2012
Downhole high resolution NMR spectroscopy with polarization enhancement patent October 2006
Methods and Apparatus for Thermal Drilling patent-application April 2010
Optical Contacting Enhanced By Hydroxide Ions In A Non-Aqueous Solution patent-application December 2009
The influence of temperature dependent properties of thermal rock fragmentation journal August 1975
Laser wellbore completion apparatus and method patent April 2005
New PDC Bit Technology, Improved Drillability Analysis, and Operational Practices Improve Drilling Performance in Hard and Highly Heterogeneous Applications conference April 2013
Lightweight optical fiber cable patent June 1992
On the Analysis of Short-Pulse Laser Heating of Metals Using the Dual Phase Lag Heat Conduction Model journal January 2009
Device and installation for the cleaning of drains, particularly in a petroleum production well patent February 1992
Undersea telecommunications cable having optical fibers in a tube patent June 1992
Linear thermal expansion of granitic rocks: influence of apparent porosity, grain size and quartz content journal May 2004
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
Method and apparatus for laser treatment of geological formations patent May 1978
High power laser welding in hyperbaric gas and water environments journal June 1997
Tutorial on maximum likelihood estimation journal February 2003
Insulated casing assembly patent June 1982
Borehole pressure and temperature measurement system patent November 1992
Rock Breakage Mechanisms With a PDC Cutter conference January 1985
Concentric insulated tubing string patent July 1984
Stimulated Brillouin scattering in multimode fibers for optical phase conjugation journal July 2002
Leaky Modes in Weakly Guiding Fiber Acoustic Waveguides journal November 1986
An experimental investigation of factors influencing compressional‐ and shear‐wave velocities and attenuations in tight gas sandstones journal January 1994
Inverted motor for drilling rocks, soils and man-made materials and for re-entry and cleanout of existing wellbores and pipes patent-application September 2005
Assembly and method for determining thermal properties of a formation and forming a liner patent February 2008
The effects of thermal softening and heat conduction on the dynamic growth of voids journal August 2003
Optical fiber cable for underwater use using terrestrial optical fiber cable patent April 1999
Microcrack interaction brittle rock subjected to uniaxial tensile loads journal February 2007
Simulating stress corrosion with a bonded-particle model for rock journal July 2007
Acousto-ultrasonic study of thermal shock damage in castable refractory journal February 1991
Portable electrocrushing drill patent May 2009
The effect of interaction time and saturation of rock on specific energy in ND:YAG laser perforating journal February 2011
Investigation of thermal high cycle and low cycle fatigue mechanisms of thick thermal barrier coatings journal May 1998
Spoolable coiled tubing completion system patent June 2000
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
Testing study of subcritical crack growth rate and fracture toughness in different rocks journal June 2006
Hand-Held Laser Instrumentation Device patent June 1974
Apparatus to allow a coiled tubing tractor to traverse a horizontal wellbore patent February 2007
Method and apparatus for a downhole spectrometer based on electronically tunable optical filters patent-application May 2005
Photonic crystal waveguides and systems using such waveguides patent December 2007
An extended model for void growth and coalescence journal December 2000
High throughput reconfigurable data analysis system patent-application October 2004
Radiation monitoring apparatus, systems, and methods patent-application March 2006
Ruggedized, Lightweight, and Compact Fiber Optic Cable patent-application June 2010
Monitoring of downhole parameters and tools utilizing fiber optics patent August 2001
Dry geothermal drilling and recovery system patent-application January 2003
Composite coiled tubing apparatus and methods patent May 2000
Optical fiber conveyance, telemetry, and/or actuation patent-application February 2005
Submarine cable having a centrally located tube containing optical fibers patent October 1995
Method and apparatus for determining flow rates patent July 2005
Formation tester patent March 1983
The microstructures of perthitic alkali feldspars revealed by hydrofluoric acid etching journal April 1994
Concentric insulated tubing string patent October 1984
Insulated and/or concentric coiled tubing patent January 2000
Optical fiber deployment system and cable patent May 2003
Drilling tool for drilling web of channels for hydrocarbon recovery patent-application September 2006
Apparatus for Advancing a Wellbore Using High Power Laser Energy patent-application February 2010
High power optical apparatus employing large-mode-area, multimode, gain-producing optical fibers patent-application July 2008
Optical fiber conveyance, telemetry, and/or actuation patent November 2006
Laser-enhanced oil correlation system patent September 1991
Disconnect check valve mechanism for coiled tubing patent October 2004
Process for cutting a material by means of a laser beam patent August 1990
Detonation system patent May 1995
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
Method and device for excavating submerged stratum patent September 2010
Well perforating apparatus and method patent October 1980
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
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
Laboratory Testing of High-Pressure, High-Speed PDC Bits conference April 2013
Armored fiber optic cables patent May 1993
VOLAN Interpretation and Application in the Bone Spring Formation (Leonard Series) in Southeastern New Mexico conference January 1984
System and method for drilling a borehole patent February 2012
Repetitive laser pulse heating with a convective boundary condition at the surface journal December 2000
Laser Welding Maching patent May 1968
Simulation of bulk-absorption thermal lensing in transmissive optics of gravitational waves detectors journal October 2003
System and Method for Deploying Optical Fiber patent-application October 2011
Reservoir Characterization of the Frontier Tight Gas Sand, Green River Basin, Wyoming conference January 1991
Imaging sensor optical system patent-application October 2004
Measuring The Weight On A Drill Bit During Drilling Operations Using Coherent Radiation patent-application January 2009
PDC Bit Dynamics conference January 1992
Method for laser drilling subterranean earth formations patent August 1976
System And Method For Long Term Power In Well Applications patent-application February 2009
Introduction To Fracture Mechanics And Its Geophysical Applications book January 1987
Apparatus and Method for Thermally Insulating an Oil Well patent June 1974
Apparatus and process for employing synergistic destructive powers of a water stream and a laser beam patent October 1994
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
Methods and Apparatus for Delivering High Power Laser Energy to a Surface patent-application February 2010
Laser-Based Material Processing Methods And Systems patent-application August 2010
Improved coil tubing injector unit patent October 1996
Methods and Systems to Activate Downhole Tools with Light patent-application February 2010
Formation Evaluation With Logs In The Deep Anadarko Basin conference September 1972
Use of Distributed Temperature Sensors During Wellbore Treatments patent-application July 2004
Modified formation testing apparatus and method patent December 2000
Method and apparatus for performing rapid isotopic analysis via laser spectroscopy patent May 2005
Laser spectroscopy/chromatography drill bit and methods patent December 2006
System and Methods Using Fiber Optics in Coiled Tubing patent-application January 2010
Spoolable coiled tubing completion system patent May 1995
Damage constitutive model for strain-softening rock based on normal distribution and its parameter determination journal October 2007
Flow structure and optical beam propagation in high-Reynolds-number gas-phase shear layers and jets journal April 2001
Spoolable flexible hydraulically set, straight pull release well packer patent May 1995
Method and Apparatus for Performing Laser Operations Downhole patent-application July 2008
Methods of well stimulation during drilling operations patent March 2009
Fiber laser system patent December 2010
Separating Bit and Lithology Effects from Drilling Mechanics Data conference January 1988
Prediction of thermal conductivity of rocks by soft computing journal May 2010
Upgoing Drainholes for Reducing Liquid-Loading in Gas Wells patent-application March 2012
Insulating tubular conduit apparatus patent April 1984
Measuring the weight on a drill bit during drilling operations using coherent radiation patent December 2009
Evolution of Porosity and Permeability in the Lower Cretaceous Travis Peak Formation, East Texas (1) journal January 1992
Launch monitor patent-application December 2005
Shielding properties of laser-induced breakdown in water for pulse durations from 5 ns to 125 fs journal January 1997
Methods of using a laser to perforate composite structures of steel casing, cement and rocks patent-application October 2006
Downhole power source patent-application June 2008
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
Methods useful for controlling fluid loss in subterranean formations patent January 2012
System and Method for Drilling Borehole patent-application May 2012
Fiber optic sensing systems and methods patent-application December 2004
Method for preparing and processing a sample for intensive analysis patent-application January 2005
Small Core Generation and Analysis At-Bit as LWD Tool patent-application January 2012
Method of High Power Laser-Mechanical Drilling patent-application October 2012
Jet Impingement Heat Transfer: Physics, Correlations, and Numerical Modeling book January 2006
Control System For High Power Laser Drilling Workover And Completion Unit patent-application October 2012
Microcracks in rocks: A review journal December 1983
Optics Assembly For High Power Laser Tools patent-application November 2012
Natural fractures in the Barnett Shale and their importance for hydraulic fracture treatments journal April 2007
In-situ laser retorting of oil shale patent December 1977
Laser Assisted System for Controlling Deep Water Drilling Emergency Situations patent-application August 2012
Spoolable flexible hydraulic controlled annular control valve patent November 1995
Monitoring fluid flow through a filter patent September 2002
Optical device with immediate gain for brightness enhancement of optical pulses patent-application February 2005
A micromechanical damage model for concrete journal January 1986
Method and apparatus for an advanced optical analyzer patent-application November 2004
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
Laser diode/lens assembly patent March 1996
Method For Removing Hydrate Plug From A Flowline patent-application September 2010
Innovation in Wellbore Perforation Using High-Power Laser conference November 2005
Fiber output coupler with beam shaping optics for laser materials processing system patent March 1991
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
Well Servicing Methods And Systems patent-application October 2007
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
Tunneling by Lasers patent December 1970
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
System and technique for monitoring and managing the deployment of subsea equipment patent April 2004
Plasma channel drilling process patent September 2007
Method of storage of sequestered greenhouse gasses in deep underground reservoirs patent-application May 2008
Apparatus for completing a subterranean well and associated methods of using same patent January 1999
Equipment and Method for Reinforcing a Borehole of a Well While Drilling patent-application May 2012
Method and Apparatus for the Production of Sonic or Ultrasonic Waves on a Surface patent March 1970
Modularized fiber optic laser system and associated optical amplification modules patent April 2002
Drilling, Perforating And Formation Analysis patent-application May 2009
Composite coiled tubing with embedded fiber optic sensors patent-application January 2002
High-power All-Fiber components: the missing link for high-power fiber lasers conference June 2004
Apparatus for completing a subterranean well and associated methods of using same patent October 2000
Concentric tubing having bonded insulation within the annulus patent June 1984
Spectroscopic probe with leak detection patent November 1999
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
Method of and apparatus for subsurface exploration patent August 2001
High pressure and temperature sensing for the oil industry using fiber Bragg gratings written onto side hole single mode fiber conference December 2017
The role of thermal stress fatigue in the breakdown of rock in cold regions journal December 1999
Semianalytical Productivity Models for Perforated Completions journal February 1991
Formation of Fractures Within Horizontal Well patent-application March 2011
Implosion shaped charge perforator patent August 1989
Implosion shaped charge perforator patent August 1989
Optimum force characteristics of rotary-percussive machines for drilling blast holes journal January 1967
Modular Well Tool System patent-application July 2010
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
Apparatus for the injection of cable into coiled tubing patent February 1997
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
Dynamics of femtosecond laser-induced breakdown in water from femtoseconds to microseconds journal January 2002
Continuous damage model for load-response estimation of concrete journal May 1980
Dry geothermal drilling and recovery system patent September 2003
Drag Bit Wear Model journal June 1989
Fiber optic well logging means and method patent July 1979
Borehole Imaging patent-application October 2007
Development, testing and track record of fiber-optic, wet-mate, connectors conference January 2003
Producing hydrocarbons from well with underground reservoir patent June 2001
Role of shale thickness on vertical connectivity of fractures: application of crack-bridging theory to the Austin Chalk, Texas journal July 2001
Inverted Drainholes patent-application August 2009
Theory of fiber-optic, evanescent-wave spectroscopy and sensors journal January 1996
Flexible production tubing patent June 1982
Method useful for controlling fluid loss in subterranean formations patent-application December 2006
Linear displacement measurement method and apparatus patent February 2006
Method and apparatus for determining flow rates patent-application January 2004
Apparatus for completing a subterranean well and associated methods of using same patent September 1998
Fiber optic cable for use in harsh environments patent September 2008
System and technique for monitoring and managing the deployment of subsea equipment patent-application December 2002
Methods and Apparatus for Mechanical and Thermal Drilling patent-application September 2010
Determination of thermal properties of a formation patent August 2006
Laser liner creation apparatus and method patent-application October 2004
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
Laser drilling method and system of fossil fuel recovery patent September 1978
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
Conduit of well cleaning and pumping device and method of use thereof patent July 1991
Method and apparatus for a downhole excavation in a wellbore patent-application February 2007
Apparatus for providing optical radiation patent-application September 2006
Method for preparing and processing a sample for intensive analysis patent March 2007
Optical fibre means patent August 2006
Wellbore cleanout apparatus and method patent May 1988
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
Elastic Modulus Measurements via Laser-Ultrasonic and Knoop Indentation Techniques in Thermally Sprayed Coatings journal March 2005
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