Long distance high power optical laser fiber break detection and continuity monitoring systems and methods

Rinzler, Charles C.; Gray, William C.; Faircloth, Brian O.; Zediker, Mark S.

Title: Long distance high power optical laser fiber break detection and continuity monitoring systems and methods

Abstract

A monitoring and detection system for use on high power laser systems, long distance high power laser systems and tools for performing high power laser operations. In particular, the monitoring and detection systems provide break detection and continuity protection for performing high power laser operations on, and in, remote and difficult to access locations.

Inventors:: Rinzler, Charles C.; Gray, William C.; Faircloth, Brian O.; Zediker, Mark S.

Issue Date:: 2016-02-23

Research Org.:: FORO ENERGY, INC., Houston, TX (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1239814

Patent Number(s):: 9267330

Application Number:: 13/403,723

Assignee:: FORO ENERGY, INC. (Houston, TX)

Patent Classifications (CPCs):: G - PHYSICS G01 - MEASURING G01M - TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES

E - FIXED CONSTRUCTIONS E21 - EARTH DRILLING E21B - EARTH DRILLING, e.g. DEEP DRILLING

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G - PHYSICS G01 - MEASURING G01M - TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES
G01M5/0033 - {by determining damage, crack or wear}
G01M5/0091 - {by using electromagnetic excitation or detection}
G01M11/35 - {in which light is transversely coupled into or out of the fibre or waveguide, e.g. using integrating spheres
G01M5/0025 - {of elongated objects, e.g. pipes, masts, towers or railways

E - FIXED CONSTRUCTIONS E21 - EARTH DRILLING E21B - EARTH DRILLING, e.g. DEEP DRILLING
E21B7/14 - Drilling by use of heat, e.g. flame drilling {

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DOE Contract Number:: AR0000044

Resource Type:: Patent

Resource Relation:: Patent File Date: 2012 Feb 23

Country of Publication:: United States

Language:: English

Subject:: 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; 42 ENGINEERING

Citation Formats


                    Rinzler, Charles C., Gray, William C., Faircloth, Brian O., and Zediker, Mark S. Long distance high power optical laser fiber break detection and continuity monitoring systems and methods.  United States: N. p., 2016. 
        Web.

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                    Rinzler, Charles C., Gray, William C., Faircloth, Brian O., & Zediker, Mark S. Long distance high power optical laser fiber break detection and continuity monitoring systems and methods.  United States.

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                    Rinzler, Charles C., Gray, William C., Faircloth, Brian O., and Zediker, Mark S. Tue .  
        "Long distance high power optical laser fiber break detection and continuity monitoring systems and methods".  United States.  https://www.osti.gov/servlets/purl/1239814.

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@article{osti_1239814,

  title        = {Long distance high power optical laser fiber break detection and continuity monitoring systems and methods},

  author       = {Rinzler, Charles C. and Gray, William C. and Faircloth, Brian O. and Zediker, Mark S.},

  abstractNote = {A monitoring and detection system for use on high power laser systems, long distance high power laser systems and tools for performing high power laser operations. In particular, the monitoring and detection systems provide break detection and continuity protection for performing high power laser operations on, and in, remote and difficult to access locations.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2016},

  month        = {2}

}

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journal, January 1997

Hammer, Daniel X.; Jansen, E. Duco; Frenz, Martin
Applied Optics, Vol. 36, Issue 22, p. 5630-5640
https://doi.org/10.1364/AO.36.005630

Drag - Bit Model Including Wear
conference, April 1994

Hareland, G.; Rampersad, P. R.
SPE Latin America/Caribbean Petroleum Engineering Conference
https://doi.org/10.2118/26957-MS

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

Hareland, G.; Nygaard, R.; Yan, W.
Journal of Canadian Petroleum Technology, Vol. 48, Issue 6, p. 60-65
https://doi.org/10.2118/09-06-60

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

Hareland, Geir; Wu, Andrew; Rashidi, Behrad
International Oil and Gas Conference and Exhibition in China
https://doi.org/10.2118/129592-MS

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

Harrison, C. W.; Dutton, S. P.
Low Permeability Reservoirs Symposium
https://doi.org/10.2118/21879-MS

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

Hashida, T.; Oghikubo, H.; Takahashi, H.
International Journal of Fracture, Vol. 59, Issue 3
https://doi.org/10.1007/BF02555185

Fatigue crack growth in lithium hydride
dissertation, September 1993

Healy, Thomas E.
UCRL-LR--120744
https://doi.org/10.2172/95360

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

Hettema, M. H. H.; Wolf, K-H. A. A.; De Pater, C. J.
International Journal of Rock Mechanics and Mining Sciences, Vol. 35, Issue 1, p. 3-15
https://doi.org/10.1016/S0148-9062(97)00318-5

Wear mechanisms for polycrystalline-diamond compacts as utilized for drilling in geothermal environments. Final report
report, May 1983

Hibbs, L. E.; Sogoian, G. C.
SAND-82-7213
https://doi.org/10.2172/6028305

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

Hood, Michael
International Journal of Mining Engineering, Vol. 3, Issue 2, p. 91-111
https://doi.org/10.1007/BF00881623

Failure mechanisms of polycrystalline diamond compact drill bits in geothermal environments
report, September 1981

Hoover, E. R.; Pope, L. E.
SAND-81-1404
https://doi.org/10.2172/5167331

VOLAN Interpretation and Application in the Bone Spring Formation (Leonard Series) in Southeastern New Mexico
conference, January 1984

Howard, A. D.; Fraga, J. A.
SPE Production Technology Symposium
https://doi.org/10.2118/13397-MS

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

Hu, Hui; Saga, Tetsuo; Kobayashi, Toshio
Annals of the New York Academy of Sciences, Vol. 972, Issue 1, p. 254-259
https://doi.org/10.1111/j.1749-6632.2002.tb04581.x

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

Huang, Chengyi; Subhash, Ghatu; Vitton, Stanley J.
Mechanics of Materials, Vol. 34, Issue 5, p. 267-277
https://doi.org/10.1016/S0167-6636(02)00112-6

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

Huang, Haiying; Detournay, Emmanuel
International Journal of Geomechanics, Vol. 8, Issue 1, p. 39-44
https://doi.org/10.1061/(ASCE)1532-3641(2008)8:1(39)

Mixed Mode Cracking in Layered Materials
book, January 1991

Hutchinson, J. W.; Suo, Z.
Advances in Applied Mechanics, Vol. 29, p. 63-191
https://doi.org/10.1016/S0065-2156(08)70164-9

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

Jadoun, R. S.
International Journal of Manufacturing Technology and Management, Vol. 17, Issue 4, Article No. 408
https://doi.org/10.1504/IJMTM.2009.023957

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

Jain, R. K.; Agrawal, D. K.; Vishwakarma, S. C.
Pramana, Vol. 75, Issue 6, p. 1253-1258
https://doi.org/10.1007/s12043-010-0214-5

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

Chen Kuei Jen, ; Safaai-Jazi, A.; Farnell, G. W.
IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, Vol. 33, Issue 6
https://doi.org/10.1109/T-UFFC.1986.26878

Investigation of Smaller-Footprint Drilling System; Ultra-High Rotary Speed Diamond Drilling Has Potential for Reduced Energy Requirements
conference, February 2006

Judzis, Arnis; Boucher, Marcel L.; McCammon, Jason B.
IADC/SPE Drilling Conference
https://doi.org/10.2118/99020-MS

Rock excavation with laser assistance
journal, July 1976

Jurewicz, B. R.
International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts, Vol. 13, Issue 7, p. 207-219
https://doi.org/10.1016/0148-9062(76)91695-8

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

Kahraman, S.; Bilgin, N.; Feridunoglu, C.
International Journal of Rock Mechanics and Mining Sciences, Vol. 40, Issue 5, p. 711-723
https://doi.org/10.1016/S1365-1609(03)00063-7

Semianalytical Productivity Models for Perforated Completions
journal, February 1991

Karakas, Metin; Tariq, S. M.
SPE Production Engineering, Vol. 6, Issue 1, p. 73-82
https://doi.org/10.2118/18247-PA

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

Kerr, Callin Joe
Journal of Petroleum Technology, Vol. 40, Issue 3, p. 327-332
https://doi.org/10.2118/14075-PA

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

Kemeny, J. M.
International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts, Vol. 28, Issue 6, p. 459-467
https://doi.org/10.1016/0148-9062(91)91121-7

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

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

Khan, Ovais U.; Yilbas, B. S.
Journal of Materials Processing Technology, Vol. 155-156, p. 2045-2050
https://doi.org/10.1016/j.jmatprotec.2004.04.229

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

Khandelwal, Manoj
International Journal of Earth Sciences, Vol. 100, Issue 6
https://doi.org/10.1007/s00531-010-0550-1

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

Kim, Chang-Bong; Su, Chin B.
Measurement Science and Technology, Vol. 15, Issue 9, p. 1683-1686
https://doi.org/10.1088/0957-0233/15/9/002

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

Kim, K. R.; Farson, D. F.
Journal of Applied Physics, Vol. 89, Issue 1, p. 681-688
https://doi.org/10.1063/1.1329668

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

Kiwata, Takahiro; Ishii, Takashi; Kimura, Shigeo
JSME International Journal Series B, Vol. 49, Issue 4, p. 906-913
https://doi.org/10.1299/jsmeb.49.906

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

Kobayashi, Toshio; Kubo, Satoshi; Ichikawa, Makoto
SPE/IADC Drilling Conference and Exhibition
https://doi.org/10.2118/119914-MS

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

Kobyakov, Andrey; Kumar, Shiva; Chowdhury, Dipak Q.
Optics Express, Vol. 13, Issue 14, p. 5338-5346
https://doi.org/10.1364/OPEX.13.005338

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

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

Koyamada, Y.; Sato, S.; Nakamura, S.
Journal of Lightwave Technology, Vol. 22, Issue 2, p. 631-639
https://doi.org/10.1109/JLT.2003.822007

A micromechanical damage model for concrete
journal, January 1986

Krajcinovic, Dusan; Fanella, David
Engineering Fracture Mechanics, Vol. 25, Issue 5-6, p. 585-596
https://doi.org/10.1016/0013-7944(86)90024-X

Microcracks in rocks: A review
journal, December 1983

Kranz, Robert L.
Tectonophysics, Vol. 100, Issue 1-3, p. 449-480
https://doi.org/10.1016/0040-1951(83)90198-1

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

Kujawski, Daniel
International Journal of Fatigue, Vol. 23, p. 239-246
https://doi.org/10.1016/S0142-1123(01)00158-X

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

Labuz, J. F.; Biolzi, L.
International Journal of Rock Mechanics and Mining Sciences, Vol. 44, Issue 4, p. 525-537
https://doi.org/10.1016/j.ijrmms.2006.09.005

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

Lacy, Lewis L.
SPE Annual Technical Conference and Exhibition
https://doi.org/10.2118/38716-MS

PDC Bit Dynamics
conference, January 1992

Langeveld, C. J.
SPE/IADC Drilling Conference
https://doi.org/10.2118/23867-MS

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

Lau, John H.
Engineering Fracture Mechanics, Vol. 45, Issue 5, p. 643-654
https://doi.org/10.1016/0013-7944(93)90270-3

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

Lee, Yin-Wen; Digonnet, Michel J. F.; Sinha, Supriyo
IEEE Journal of Selected Topics in Quantum Electronics, Vol. 15, Issue 1, p. 93-102
https://doi.org/10.1109/JSTQE.2008.2010263

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

Legarth, B.; Huenges, E.; Zimmermann, G.
International Journal of Rock Mechanics and Mining Sciences, Vol. 42, Issue 7-8, p. 1028-1041
https://doi.org/10.1016/j.ijrmms.2005.05.014

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

Lehnhoff, T. F.; Scheller, J. D.
International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts, Vol. 12, Issue 8, p. 255-260
https://doi.org/10.1016/0148-9062(75)91405-9

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

Leung, M.; Ching, W. H.; Leung, D. Y. C.
Journal of Physics D: Applied Physics, Vol. 38, Issue 3, p. 477-482
https://doi.org/10.1088/0022-3727/38/3/020

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

Li, X. B.; Summers, D. A.; Rupert, G.
Tunnelling and Underground Space Technology, Vol. 16, Issue 2, p. 107-114
https://doi.org/10.1016/S0886-7798(01)00036-0

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

Lima, R. S.; Kruger, S. E.; Lamouche, G.
Journal of Thermal Spray Technology, Vol. 14, Issue 1, p. 52-60
https://doi.org/10.1361/10599630522701

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

Lindholm, U. S.; Yeakley, L. M.; Nagy, A.
International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts, Vol. 11, Issue 5, p. 181-191
https://doi.org/10.1016/0148-9062(74)90885-7

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

Løland, K. E.
Cement and Concrete Research, Vol. 10, Issue 3, p. 395-402
https://doi.org/10.1016/0008-8846(80)90115-5

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Abstract

Citation Formats

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

Orthonormal Basis Functions for Continuous-Time Systems and Lp Convergence journal, August 1999

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

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

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

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

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

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

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

Dynamic Vickers indentation of brittle materials journal, April 2000

Two stages of spallation journal, September 1985

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

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

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

The Schmidt hammer in rock material characterization journal, September 2005

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

Air-entrainment characteristics in a plunging water jet system using rectangular nozzles with rounded ends January 2003

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

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

Well Perforation Using High-Power Lasers conference, October 2003

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

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

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

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

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

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

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

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

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

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

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

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

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

Rock Failure Under Dynamic Loading Conditions journal, March 1963

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

Strength of glass from Hertzian line contact conference, September 2011

Rock Cutting By Laser conference, April 2013

Deepwater Drilling Riser System journal, August 1986

Characterization of the Austin Chalk Producing Trend conference, January 1986

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

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

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

Improved Optimisation of Bit Selection Using Mathematically Modelled Bit Performance Indices conference, January 2006

Successful Drilling of Basalt in a West of Shetland Deepwater Discovery conference, September 2005

Use of nondestructive testing methods in evaluation of thermal damage for ceramics under conditions of nonstationary thermal effects journal, January 1985

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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Fluorescent dye penetrants applied to rock fractures journal, March 1968

Multilevel (Hierarchical) Modeling: What It Can and Cannot Do journal, August 2006

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

Program plan for the development of advanced synthetic-diamond drill bits for hard-rock drilling report, September 1993

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

Orthonormal Basis Functions for Continuous-Time Systems and Lp Convergence
journal, August 1999

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

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

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

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

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

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

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

Dynamic Vickers indentation of brittle materials
journal, April 2000

Two stages of spallation
journal, September 1985

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

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

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

The Schmidt hammer in rock material characterization
journal, September 2005

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

Air-entrainment characteristics in a plunging water jet system using rectangular nozzles with rounded ends
January 2003

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

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

Well Perforation Using High-Power Lasers
conference, October 2003

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

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

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

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

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

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

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

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

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

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

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

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

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

Rock Failure Under Dynamic Loading Conditions
journal, March 1963

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

Strength of glass from Hertzian line contact
conference, September 2011

Rock Cutting By Laser
conference, April 2013

Deepwater Drilling Riser System
journal, August 1986

Characterization of the Austin Chalk Producing Trend
conference, January 1986

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

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

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

Improved Optimisation of Bit Selection Using Mathematically Modelled Bit Performance Indices
conference, January 2006

Successful Drilling of Basalt in a West of Shetland Deepwater Discovery
conference, September 2005

Use of nondestructive testing methods in evaluation of thermal damage for ceramics under conditions of nonstationary thermal effects
journal, January 1985

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Fluorescent dye penetrants applied to rock fractures
journal, March 1968

Multilevel (Hierarchical) Modeling: What It Can and Cannot Do
journal, August 2006

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

Program plan for the development of advanced synthetic-diamond drill bits for hard-rock drilling
report, September 1993

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

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

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