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Title: High power laser energy distribution patterns, apparatus and methods for creating wells


There is provided a system, apparatus and methods for providing a laser beam to borehole surface in a predetermined and energy deposition profile. The predetermined energy deposition profiles may be uniform or tailored to specific downhole applications. Optic assemblies for obtaining these predetermined energy deposition profiles are further provided.

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FORO ENERGY, INC., Houston, TX (United States)
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Patent File Date: 2013 Mar 28
Country of Publication:
United States

Citation Formats

Faircloth, Brian O., Zediker, Mark S., Rinzler, Charles C., Koblick, Yeshaya, and Moxley, Joel F. High power laser energy distribution patterns, apparatus and methods for creating wells. United States: N. p., 2016. Web.
Faircloth, Brian O., Zediker, Mark S., Rinzler, Charles C., Koblick, Yeshaya, & Moxley, Joel F. High power laser energy distribution patterns, apparatus and methods for creating wells. United States.
Faircloth, Brian O., Zediker, Mark S., Rinzler, Charles C., Koblick, Yeshaya, and Moxley, Joel F. Tue . "High power laser energy distribution patterns, apparatus and methods for creating wells". United States.
title = {High power laser energy distribution patterns, apparatus and methods for creating wells},
author = {Faircloth, Brian O. and Zediker, Mark S. and Rinzler, Charles C. and Koblick, Yeshaya and Moxley, Joel F.},
abstractNote = {There is provided a system, apparatus and methods for providing a laser beam to borehole surface in a predetermined and energy deposition profile. The predetermined energy deposition profiles may be uniform or tailored to specific downhole applications. Optic assemblies for obtaining these predetermined energy deposition profiles are further provided.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2016},
month = {3}


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Design concept for optical fibers with enhanced SBS threshold
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  • Kobyakov, Andrey; Kumar, Shiva; Chowdhury, Dipak Q.
  • Optics Express, Vol. 13, Issue 14, p. 5338-5346
  • DOI: 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)
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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
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A micromechanical damage model for concrete
journal, January 1986

Microcracks in rocks: A review
journal, December 1983

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

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
  • DOI: 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
  • DOI: 10.2118/38716-MS

PDC Bit Dynamics
conference, January 1992

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

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

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

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

  • Lubarda, V. A.; Krajcinovic, D.; Mastilovic, S.
  • Engineering Fracture Mechanics, Vol. 49, Issue 5, p. 681-697
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Characterization of Diagenetically Altered Carbonate Reservoirs, South Cowden Grayburg Reservoir, West Texas
conference, October 1996

  • Lucia, F. J.; Ruppel, S. C.
  • SPE Annual Technical Conference and Exhibition
  • DOI: 10.2118/36650-MS

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

  • Luffel, D. L.; Howard, W. E.; Hunt, E. R.
  • SPE Formation Evaluation, Vol. 6, Issue 3, p. 310-318
  • DOI: 10.2118/19008-PA

Development and Operation of a New Insulated Concentric Coiled Tubing String for Continuous Steam Injection in Heavy Oil Production
conference, April 2013

  • Luft, H. B.; Pelensky, P. J.; George, G. E.
  • SPE International Heavy Oil Symposium
  • DOI: 10.2118/30322-MS

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

  • Lund, Mikael; Vácha, Robert; Jungwirth, Pavel
  • Langmuir, Vol. 24, Issue 7, p. 3387-3391
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NETL Extreme Drilling Laboratory Studies High Pressure High Temperature Drilling Phenomena
journal, November 2008

  • Lyons, K. David; Honeygan, Simone; Mroz, Thomas
  • Journal of Energy Resources Technology, Vol. 130, Issue 4
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EOR Field Experiences in Carbonate Reservoirs in the United States
journal, December 2007

  • Manrique, Eduardo Jose; Muci, Viviana Eugenia; Gurfinkel, Mariano E.
  • SPE Reservoir Evaluation & Engineering, Vol. 10, Issue 6, p. 667-686
  • DOI: 10.2118/100063-PA

Curvature loss formula for optical fibers
journal, January 1976

  • Marcuse, Dietrich
  • Journal of the Optical Society of America, Vol. 66, Issue 3, p. 216-220
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Seventeenth Canadian Geotechnical Colloquium: The effect of cohesion loss and stress path on brittle rock strength
journal, October 1997

  • Martin, C. D.
  • Canadian Geotechnical Journal, Vol. 34, Issue 5, p. 698-725
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Laboratory Testing of High-Pressure, High-Speed PDC Bits
conference, April 2013

  • Mauer, W. C.; McDonald, W. J.; Cohen, J. H.
  • SPE Annual Technical Conference and Exhibition
  • DOI: 10.2118/15615-MS

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

  • McElhenny, John E.; Pattnaik, Radha K.; Toulouse, Jean
  • Journal of the Optical Society of America B, Vol. 25, Issue 4, p. 582-593
  • DOI: 10.1364/JOSAB.25.000582

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

  • Meister, Stefan; Riesbeck, Thomas; Eichler, Hans J.
  • Laser and Particle Beams, Vol. 25, Issue 1, p. 15-21
  • DOI: 10.1017/S0263034607070036

New PDC Bit Technology, Improved Drillability Analysis, and Operational Practices Improve Drilling Performance in Hard and Highly Heterogeneous Applications
conference, April 2013

  • Mensa-Wilmot, Graham; Douglas, Charles; Schell, Eddie
  • SPE Eastern Regional Meeting
  • DOI: 10.2118/91423-MS

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

  • Mensa-Wilmot, Graham; Soza, Robert; Hudson, Kyle
  • SPE Annual Technical Conference and Exhibition
  • DOI: 10.2118/84354-MS

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

  • Messica, A.; Greenstein, A.; Katzir, A.
  • Applied Optics, Vol. 35, Issue 13, p. 2274-2284
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Experimental study relating thermal conductivity to thermal piercing of rocks
journal, May 1968

  • Mirkovich, V. V.
  • International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts, Vol. 5, Issue 3, p. 205-218
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A noninvasive method for measuring the velocity of diffuse hydrothermal flow by tracking moving refractive index anomalies
journal, October 2010

  • Mittelstaedt, Eric; Davaille, Anne; van Keken, Peter E.
  • Geochemistry, Geophysics, Geosystems, Vol. 11, Issue 10, 18 p.
  • DOI: 10.1029/2010GC003227

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

  • Mocofanescu, A.; Wang, L.; Jain, R.
  • Optics Express, Vol. 13, Issue 6, p. 2019-2024
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Predicting the Uniaxial Compressive Strength and Static Young’s Modulus of Intact Sedimentary Rocks Using the Ultrasonic Test
journal, January 2009

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

Microporosity in micritic limestones: a review
journal, July 1989

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

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

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

  • Multari, Rosalie A.; Foster, Leeann E.; Cremers, David A.
  • Applied Spectroscopy, Vol. 50, Issue 12, p. 1483-1499
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Effective Medium Theory of the Porosity Dependence of Bulk Moduli
journal, May 2001

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

  • Murrell, S. A. F.; Ismail, I. A. H.
  • Contributions to Mineralogy and Petrology, Vol. 55, Issue 3, p. 317-330
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Tutorial on maximum likelihood estimation
journal, February 2003

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

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

  • Naqavi, I. Z.; Yilbas, B. S.; Khan, Ovaisullah
  • Heat and Mass Transfer, Vol. 40, Issue 1-2, p. 25-32
  • DOI: 10.1007/s00231-002-0387-7

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

  • Nara, Y.; Kaneko, K.
  • International Journal of Rock Mechanics and Mining Sciences, Vol. 42, Issue 4, p. 521-530
  • DOI: 10.1016/j.ijrmms.2005.02.001

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

  • Nara, Y.; Kaneko, K.
  • International Journal of Rock Mechanics and Mining Sciences, Vol. 43, Issue 3, p. 437-453
  • DOI: 10.1016/j.ijrmms.2005.07.008

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

  • Nemat-Nasser, S.; Horii, H.
  • Journal of Geophysical Research: Solid Earth, Vol. 87, Issue B8, p. 6805-6821
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Brillouin gain spectrum characterization in single-mode optical fibers
journal, January 1997

  • Nikles, M.; Thevenaz, L.; Robert, P. A.
  • Journal of Lightwave Technology, Vol. 15, Issue 10, p. 1842-1851
  • DOI: 10.1109/50.633570

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

  • Olsen, Flemming O.
  • Europto High Power Lasers and Laser Applications V
  • DOI: 10.1117/12.184748

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

  • Ortiz, Blas; Casallas, Cesar; Parra, Hector
  • SPE/IADC Asia Pacific Drilling Technology
  • DOI: 10.2118/36413-MS

Thermal expansion of silicon carbide materials
journal, June 1994

  • Palchaev, D. K.; Murlieva, Zh. Kh.; Palchaeva, Kh. S.
  • Journal of Engineering Physics and Thermophysics, Vol. 66, Issue 6, p. 660-662
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An extended model for void growth and coalescence
journal, December 2000

  • Pardoen, T.; Hutchinson, J. W.
  • Journal of the Mechanics and Physics of Solids, Vol. 48, Issue 12, p. 2467-2512
  • DOI: 10.1016/S0022-5096(00)00019-3

Thermal analysis of laser drilling processes
journal, February 1972

  • Paek, Un-Chul; Gagliano, F.
  • IEEE Journal of Quantum Electronics, Vol. 8, Issue 2, p. 112-119
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Laser Drilling: Effects of Beam Application Methods on Improving Rock Removal
conference, October 2003

  • Parker, Richard A.; Gahan, Brian C.; Graves, Ramona M.
  • SPE Annual Technical Conference and Exhibition
  • DOI: 10.2118/84353-MS

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

  • Pavlina, E. J.; Van Tyne, C. J.
  • Journal of Materials Engineering and Performance, Vol. 17, Issue 6, p. 888-893
  • DOI: 10.1007/s11665-008-9225-5

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

  • Peebler, R. P.
  • SPE Deep Drilling and Production Symposium
  • DOI: 10.2118/3902-MS

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

  • Phani, K. K.; Niyogi, S. K.
  • Journal of Materials Science Letters, Vol. 5, Issue 4, p. 427-430
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Testing study of subcritical crack growth rate and fracture toughness in different rocks
journal, June 2006

  • Cao, Ping; Li, Jiang-teng; Yuan, Hai-ping
  • Transactions of Nonferrous Metals Society of China, Vol. 16, Issue 3, p. 709-713
  • DOI: 10.1016/S1003-6326(06)60126-X

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

  • Plumb, R. A.; Herron, S. L.; Olsen, M. P.
  • SPE Annual Technical Conference and Exhibition
  • DOI: 10.2118/24758-MS

Lasers: The Next Bit
conference, January 2006

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

  • Porter, Jyri A.; Louhisalmi, Yrjö A.; Karjalainen, Jussi A.
  • The International Journal of Advanced Manufacturing Technology, Vol. 33, Issue 9-10, p. 961-967
  • DOI: 10.1007/s00170-006-0521-7

A bonded-particle model for rock
journal, December 2004

  • Potyondy, D. O.; Cundall, P. A.
  • International Journal of Rock Mechanics and Mining Sciences, Vol. 41, Issue 8, p. 1329-1364
  • DOI: 10.1016/j.ijrmms.2004.09.011

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

  • Potyondy, David O.
  • International Journal of Rock Mechanics and Mining Sciences, Vol. 44, Issue 5, p. 677-691
  • DOI: 10.1016/j.ijrmms.2006.10.002

Using compression wave ultrasonic transducers to measure the velocity of surface waves and hence determine dynamic modulus of elasticity for concrete
journal, June 1996

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

  • Ramadan, K.; Tyfour, W. R.; Al-Nimr, M. A.
  • Journal of Heat Transfer, Vol. 131, Issue 11, Article No. 111301
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A study of progressive failure of rock under cyclic loading by ultrasonic and AE monitoring techniques
journal, January 1992

  • Rao, M. V. M. S.; Ramana, Y. V.
  • Rock Mechanics and Rock Engineering, Vol. 25, Issue 4, p. 237-251
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Rock failure mechanisms of flame-jet thermal spallation drilling—theory and experimental testing
journal, September 1989

  • Rauenzahn, R. M.; Tester, J. W.
  • International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts, Vol. 26, Issue 5, p. 381-399
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On the stability of dilatant hardening for saturated rock masses
journal, April 1975

Thermal expansion behavior of igneous rocks
journal, October 1974

  • Richter, Dorothy; Simmons, Gene
  • International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts, Vol. 11, Issue 10, p. 403-411
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Comparative Economics Of Deep Drilling In Anadarko Basin
conference, April 2013

  • Rietman, N. D.; Rumph, K. D.
  • SPE Deep Drilling and Production Symposium
  • DOI: 10.2118/7849-MS

Role of shale thickness on vertical connectivity of fractures: application of crack-bridging theory to the Austin Chalk, Texas
journal, July 2001

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

Fracture Mechanics Applications To Drilling And Blasting
journal, November 1997

  • Rossmanith, H. P.; Daehnke, A.; Nasmillner, R. E. K.
  • Fatigue & Fracture of Engineering Materials & Structures, Vol. 20, Issue 11, p. 1617-1636
  • DOI: 10.1111/j.1460-2695.1997.tb01515.x

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

  • Rossmanith, H. P.; Knasmillner, R. E.; Daehnke, A.
  • Materials Science, Vol. 32, Issue 3, p. 350-358
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Dynamic tensile-failure-induced velocity deficits in rock
journal, February 1991

  • Rubin, Allan M.; Ahrens, Thomas J.
  • Geophysical Research Letters, Vol. 18, Issue 2, p. 219-222
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Correlating schmidt hardness with compressive strength and young’s modulus of carbonate rocks
journal, October 1990

  • Sachpazis, C. I.
  • Bulletin of the International Association of Engineering Geology, Vol. 42, Issue 1, p. 75-83
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An algorithm and a modular subroutine for the CAP model
journal, April 1979

  • Sandler, I. S.; Rubin, D.
  • International Journal for Numerical and Analytical Methods in Geomechanics, Vol. 3, Issue 2, p. 173-186
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Formation Evaluation From Logging on Cuttings
journal, June 1998

  • Santarelli, F. J.; Marsala, A. F.; Brignoli, M.
  • SPE Reservoir Evaluation & Engineering, Vol. 1, Issue 3, p. 238-244
  • DOI: 10.2118/36851-PA

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

  • Schaff, D. P.; Waldhauser, Felix
  • Bulletin of the Seismological Society of America, Vol. 95, Issue 6, p. 2446-2461
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Dynamics of femtosecond laser-induced breakdown in water from femtoseconds to microseconds
journal, January 2002

  • Schaffer, Chris B.; Nishimura, Nozomi; Glezer, Eli N.
  • Optics Express, Vol. 10, Issue 3, p. 196-203
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High power laser welding in hyperbaric gas and water environments
journal, June 1997

  • Shannon, G. J.; McNaught, W.; Deans, W. F.
  • Journal of Laser Applications, Vol. 9, Issue 3, p. 129-136
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SBS threshold of a fiber with a Brillouin frequency shift distribution
journal, January 1996

  • Shiraki, K.; Ohashi, M.; Tateda, M.
  • Journal of Lightwave Technology, Vol. 14, Issue 1, p. 50-57
  • DOI: 10.1109/50.476136

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

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

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

  • Sinha, Diwakar
  • SPE/IADC Middle East Drilling Technology Conference and Exhibition
  • DOI: 10.2118/85333-MS

Drag Bit Wear Model
journal, June 1989

  • Sinor, A.; Warren, T. M.
  • SPE Drilling Engineering, Vol. 4, Issue 2, p. 128-136
  • DOI: 10.2118/16699-PA

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

  • Smith, E.
  • International Journal of Fracture, Vol. 16, Issue 4, p. R215-R218
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Rock Types, Depositional History, and Diagenetic Effects, Ivishak Reservoir, Prudhoe Bay Field
journal, February 1997

  • Sneider, R. M.; Erickson, J. W.
  • SPE Reservoir Engineering, Vol. 12, Issue 1, p. 23-30
  • DOI: 10.2118/28575-PA

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

  • Soeder, D. J.; Chowdiah, Prasan
  • SPE Formation Evaluation, Vol. 5, Issue 4, p. 421-430
  • DOI: 10.2118/17729-PA

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

  • Solomon, A. D.; Alexiades, V.; Wilson, D. G.
  • ACM SIGNUM Newsletter, Vol. 20, Issue 2, p. 8-12
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Influence of microfractures and porosity on the physico-mechanical properties and weathering of ornamental granites
journal, February 2005

  • Sousa, Luís M. O.; Suárez del Río, Luis M.; Calleja, Lope
  • Engineering Geology, Vol. 77, Issue 1-2, p. 153-168
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Cavitation inception in quiescent and co-flow nozzle jets
journal, October 2010

  • Straka, William A.; Meyer, Richard S.; Fontaine, Arnold A.
  • Journal of Hydrodynamics, Ser. B, Vol. 22, Issue 5, p. 813-819
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Damage in granite under heating/cooling cycles and water freeze–thaw condition
journal, October 2008

  • Takarli, Mokhfi; Prince, William; Siddique, Rafat
  • International Journal of Rock Mechanics and Mining Sciences, Vol. 45, Issue 7, p. 1164-1175
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The generalized relationship between the parameters C and m of Paris' law for fatigue crack growth
journal, March 1981

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

  • Tang, C. A.; Liu, H.; Lee, P. K. K.
  • International Journal of Rock Mechanics and Mining Sciences, Vol. 37, Issue 4, p. 555-569
  • DOI: 10.1016/S1365-1609(99)00121-5

Coupled analysis of flow, stress and damage (FSD) in rock failure
journal, June 2002

  • Tang, C. A.; Tham, L. G.; Lee, P. K. K.
  • International Journal of Rock Mechanics and Mining Sciences, Vol. 39, Issue 4, p. 477-489
  • DOI: 10.1016/S1365-1609(02)00023-0

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

  • Terzopoulos, Demetri; Fleischer, Kurt
  • ACM SIGGRAPH Computer Graphics, Vol. 22, Issue 4, p. 269-278
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A criterion for the time dependence of dynamic fracture
journal, December 1968

  • Tuler, Floyd R.; Butcher, Barry M.
  • International Journal of Fracture Mechanics, Vol. 4, Issue 4, p. 431-437
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An experimental investigation of factors influencing compressional‐ and shear‐wave velocities and attenuations in tight gas sandstones
journal, January 1994

  • Tutuncu, Azra N.; Podio, Augusto L.; Sharma, Mukul M.
  • Geophysics, Vol. 59, Issue 1, p. 77-86
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Fiber optic distributed sensing systems for harsh aerospace environments
conference, July 1999

  • Udd, Eric; Shulz, Whitten L.; Seim, John M.
  • 1999 Symposium on Smart Structures and Materials, SPIE Proceedings
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Stress-strain relationship for empirical equations of creep in rocks
journal, March 1972

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

  • Varnado, S. G.; Huff, C. F.; Yarrington, P.
  • SPE Annual Technical Conference and Exhibition
  • DOI: 10.2118/8378-MS

Dependence of ceramic fracture properties on porosity
journal, January 1993

  • Wagh, A. S.; Singh, J. P.; Poeppel, R. B.
  • Journal of Materials Science, Vol. 28, Issue 13, p. 3589-3593
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The microstructures of perthitic alkali feldspars revealed by hydrofluoric acid etching
journal, April 1994

  • Waldron, K.; Lee, M. R.; Parsons, I.
  • Contributions to Mineralogy and Petrology, Vol. 116, Issue 3, p. 360-364
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Inert gas cutting of thick-section stainless steel and medium-section aluminum using a high power fiber laser
journal, August 2009

  • Wandera, Catherine; Salminen, Antti; Kujanpaa, Veli
  • Journal of Laser Applications, Vol. 21, Issue 3, p. 154-161
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Laser power requirement for cutting thick-section steel and effects of processing parameters on mild steel cut quality
journal, May 2011

  • Wandera, C.; Kujanpää, V.; Salminen, A.
  • Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture, Vol. 225, Issue 5, p. 651-661
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Particle modeling simulation of thermal effects on ore breakage
journal, October 2008

A Review and Evaluation of Specific Heat Capacities of Rocks, Minerals, and Subsurface Fluids. Part 1: Minerals and Nonporous Rocks
journal, June 2004

A Review and Evaluation of Specific Heat Capacities of Rocks, Minerals, and Subsurface Fluids. Part 2: Fluids and Porous Rocks
journal, June 2004

Laboratory Drilling Performance of PDC Bits
journal, June 1988

  • Warren, T. M.; Armagost, W. K.
  • SPE Drilling Engineering, Vol. 3, Issue 2, p. 125-135
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Damage constitutive model for strain-softening rock based on normal distribution and its parameter determination
journal, October 2007

  • Cao, Wen-gui; Li, Xiang; Zhao, Heng
  • Journal of Central South University of Technology, Vol. 14, Issue 5, p. 719-724
  • DOI: 10.1007/s11771-007-0137-6

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

  • White, E. J.; Marchant, L. C.; Roberts, D. K.
  • SPE Rocky Mountain Regional Meeting
  • DOI: 10.2118/2127-MS

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

  • Wiercigroch, M.; Wojewoda, J.; Krivtsov, A. M.
  • Journal of Sound and Vibration, Vol. 280, Issue 3-5, p. 739-757
  • DOI: 10.1016/j.jsv.2003.12.045

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

  • Wilkinson, M. A.; Tester, J. W.
  • Rock Mechanics and Rock Engineering, Vol. 26, Issue 1, p. 29-62
  • DOI: 10.1007/BF01019868

Experiments in Thermal Spallation of Various Rocks
journal, January 1996

  • Williams, R. E.; Potter, R. M.; Miska, S.
  • Journal of Energy Resources Technology, Vol. 118, Issue 1, p. 2-8
  • DOI: 10.1115/1.2792690

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

  • Willis, David A.; Xu, Xianfan
  • International Journal of Heat and Mass Transfer, Vol. 45, Issue 19, p. 3911-3918
  • DOI: 10.1016/S0017-9310(02)00105-9

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

  • Winters, W. J.; Warren, T. M.; Onyia, E. C.
  • SPE Annual Technical Conference and Exhibition
  • DOI: 10.2118/16696-MS

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

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

  • Wu, X. Y.; Ramesh, K. T.; Wright, T. W.
  • International Journal of Solids and Structures, Vol. 40, Issue 17, p. 4461-4478
  • DOI: 10.1016/S0020-7683(03)00214-2

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

  • Xia, K.; Nasseri, M. H. B.; Mohanty, B.
  • International Journal of Rock Mechanics and Mining Sciences, Vol. 45, Issue 6, p. 879-887
  • DOI: 10.1016/j.ijrmms.2007.09.013

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

  • Xu, Zhiyue; Yamashita, Yuichiro; Reed, Claude
  • SPE Annual Technical Conference and Exhibition
  • DOI: 10.2118/95746-MS

Specific energy for pulsed laser rock drilling
journal, February 2003

  • Xu, Z.; Reed, C. B.; Konercki, G.
  • Journal of Laser Applications, Vol. 15, Issue 1, p. 25-30
  • DOI: 10.2351/1.1536641

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

  • Yabe, Takashi; Xiao, Feng; Utsumi, Takayuki
  • Journal of Computational Physics, Vol. 169, Issue 2, p. 556-593
  • DOI: 10.1006/jcph.2000.6625

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

  • Yamamoto, Karen Y.; Cremers, David A.; Ferris, Monty J.
  • Applied Spectroscopy, Vol. 50, Issue 2, p. 222-233
  • DOI: 10.1366/0003702963906519

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

  • Yamashita, Yoshihiro; Kawano, Toru; Mann, Kurt
  • Journal of Nuclear Science and Technology, Vol. 38, Issue 10, p. 891-895
  • DOI: 10.1080/18811248.2001.9715111

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

  • Yamshchikov, V. S.; Shkuratnik, V. L.; Bobrov, A. V.
  • Soviet Mining Science, Vol. 21, Issue 4, p. 363-366
  • DOI: 10.1007/BF02499846

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

  • Yaşar, E.; Erdoğan, Y.; Güneyli, H.
  • Bulletin of Engineering Geology and the Environment, Vol. 67, Issue 2, p. 219-225
  • DOI: 10.1007/s10064-008-0126-5

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

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

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

  • Yilbas, B. S.; Shuja, S. Z.; Budair, M. O.
  • International Journal of Machine Tools and Manufacture, Vol. 40, Issue 7, p. 1023-1038
  • DOI: 10.1016/S0890-6955(99)00108-X

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

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

  • Yun, Yingwei; Jang, Il-Young; Tang, Liqiang
  • Journal of Pressure Vessel Technology, Vol. 131, Issue 2, Article No. 021212
  • DOI: 10.1115/1.3066882

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

  • Zamora, Maria; Vo-Thanh, Dung; Bienfait, Gérard
  • Geophysical Research Letters, Vol. 20, Issue 16, p. 1679-1682
  • DOI: 10.1029/92GL02460

Rock Breakage Mechanisms With a PDC Cutter
conference, January 1985

  • Zeuch, D. H.; Finger, J. T.
  • SPE Annual Technical Conference and Exhibition
  • DOI: 10.2118/14219-MS

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

  • Zhai, Yue; Ma, Guowei; Zhao, Junhai
  • Frontiers of Architecture and Civil Engineering in China, Vol. 2, Issue 3, p. 253-260
  • DOI: 10.1007/s11709-008-0042-6

Energy from Abandoned Oil and Gas Reservoirs
conference, January 2008

  • Zhang, Lingyu; Yuan, Jianguo; Liang, Hongbin
  • SPE Asia Pacific Oil and Gas Conference and Exhibition
  • DOI: 10.2118/115055-MS

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

  • Zheleznov, Dmitry S.; Mukhin, Ivan B.; Palashov, Oleg V.
  • IEEE Journal of Quantum Electronics, Vol. 43, Issue 6, p. 451-457
  • DOI: 10.1109/JQE.2007.895668

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

  • Zhou, Tao; Chen, Jun
  • Journal of Zhejiang University-SCIENCE A, Vol. 4, Issue 3, p. 254-257
  • DOI: 10.1631/jzus.2003.0254

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

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

  • Zhou, Zehua; Ding, Peidao; Tan, Shouhong
  • Materials Science and Engineering: A, Vol. 405, Issue 1-2, p. 272-276
  • DOI: 10.1016/j.msea.2005.05.082

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

Investigation of thermal high cycle and low cycle fatigue mechanisms of thick thermal barrier coatings
journal, May 1998

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

  • Zhu, Xiushan; Peyghambarian, N.
  • Advances in OptoElectronics, Vol. 2010, p. 1-23
  • DOI: 10.1155/2010/501956

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