Boring or penetrating the earth – Processes – Boring with specific fluid
Reexamination Certificate
2008-03-18
2008-03-18
Bagnell, David (Department: 3672)
Boring or penetrating the earth
Processes
Boring with specific fluid
C175S054000, C175S424000
Reexamination Certificate
active
11204436
ABSTRACT:
A system and method for excavating a subterranean formation, according to which a suspension of liquid and a plurality of impactors are passed between a drill string to a body member for discharge from the body member to remove at least a portion of the formation. The flow of the suspension between the drill string and the body member is controlled in order to present the impactors from settling near the bottom of the formation.
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Eckel et al., “Development and Testing of Jet Pump Pellet Impact Drill Bits,” Petroleum Transactions, Aime, 1956, 1-10, vol. 207.
Fair, John, “Development of High-Pressure Abrasive-Jet Drilling,” Journal of Petroleum Technology, Aug. 1981, 1379-1388.
Galecki et al., “Steel Shot Entrained Ultra High Pressure Waterjet For Cutting and Drilling in Hard Rocks,” 371-388, date not provided.
Killalea, Mike, “High Pressure Drilling System Triples ROPS, Stymies Bit Wear,” Drilling, Mar./Apr. 1989, 10-12, date not provided.
Kolle et al., “Laboratory and Field Testing of an Ultra-High-Pressure, Jet-Assisted Drilling System,” SPE/IADC 22000, 1991, 847-856.
Ledgerwood, L., “Efforts to Devlop Improved Oilwell Drilling Methods,” Petroleum Transactions, Aime 1960, 61-74, vol. 219.
Maurer, William, “Advanced Drilling Techniques,” Chapter 5, 19-27, Petroleum Publishing Co., Tulsa, OK.
Maurer, William, “Impact Crater Formation in Rock,” Journal of Applied Physics, Jul. 1960, 1247-1252, vol. 31, No. 7.
Peterson et al., “A New Look at Bit-Flushing,” Review of Mechanical Bit/Rock Interactions, vol. 3, 3-1-3-38, date not provided.
Ripkin et al., “A Study of the Fragmentation of Rock by Impingement with Water and Solid Impactors,” University of Minnesota St. Anthony Falls Hydraulic Laboratory, Feb. 1972.
Singh, Madan, “Rock Breakage By Pellet Impact,” IIT Research Institute, Dec. 24, 1969.
Summers et al., “A Further Investigation of DIAjet Cutting,” Jet Cutting Technology-Proceedings of the 10thInternational Conference, 1991, pp. 181-192; Elsevier Science Publishers Ltd, USA.
Summers, David, “Waterjetting Technology,” Abrasive Waterjet Drilling, 557-598.
Veenhuizen, et al., “Ultra-High Pressure Jet Assist of Mechanical Drilling,” SPE/IADC 37579, 79-90, 1997.
Co-pending U.S. Appl. No. 11/204,981, filed Aug. 16, 2005, Titled “Injector Systems”.
Co-pending U.S. Appl. No. 11/204,862, filed Aug. 16, 2005, Titled “PID Nozzles”.
Co-pending U.S. Appl. No. 11/205,006, filed Aug. 16, 2005, Title
Bagnell David
Coy Nicole
King & Spalding LLP
Particle Drilling Technologies, Inc.
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