1
Harold D Brannon, Christopher J Stephenson, Robert L Dillenbeck, Dan T Mueller: Compositions and methods for cementing using elastic particles. BJ Services Company, O&apos Keefe Egan & Peterman, January 21, 2003: US06508305 (339 worldwide citation)

Cement compositions including mixtures of substantially elastic material and cement that may be formulated exhibit reduced bulk volume shrinkage during curing as compared to conventional cement compositions. In one application, such cement compositions may be used for cementing in substantially clos ...


2
Allan R Rickards, Harold D Brannon, Philip J Rae, Gino A DiLullo, Christopher J Stephenson: Formation treatment method using deformable particles. BJ Services Company, O&apos Keefe Egan & Peterman, December 18, 2001: US06330916 (271 worldwide citation)

A subterranean formation is treated by injecting a blend of fracture proppant material and deformable particulate material into the formation. The deformable particulate material may combine with the fracture proppant material to increase fracture conductivity, reduce fines generation, and/or reduce ...


3
Allan R Rickards, Harold D Brannon, Philip J Rae, Gino A DiLullo, Christopher J Stephenson: Formation treatment method using deformable particles. BJ Services Company, O Keefe Egan & Peterman, May 9, 2000: US06059034 (269 worldwide citation)

A subterranean formation is treated by injecting a blend of fracture proppant material and deformable particulate material into the formation. The deformable particulate material may combine with the fracture proppant material to increase fracture conductivity, reduce fines generation, and/or reduce ...


4
Harold D Brannon, Allan R Rickards, Christopher J Stephenson: Lightweight methods and compositions for well treating. BJ Services Company, O&apos Keefe Egan & Peterman, April 2, 2002: US06364018 (137 worldwide citation)

Methods and compositions useful for hydraulic fracturing of subterranean formations that utilize relatively lightweight and/or substantially neutrally buoyant particles as particulate proppant material.


5
Joseph E Thompson Sr, Harold D Brannon, George Tso Chih Woo, William R Wood, Jeffrey C Dawson, Marshall G Ault: Surfactant compositions and uses therefor. BJ Services Company, O&apos Keefe Egan & Peterman, October 16, 2001: US06302209 (136 worldwide citation)

Solid surfactant suspension compositions are formed by combining solid surfactants, such as alpha-olefin sulfonates, with an organic base fluid, such as diesel. Solid surfactant suspensions may be combined with an aqueous carrier fluid to form surfactant-containing fluids suitable for, among other t ...


6
Harold D Brannon, Allan R Rickards, Christopher J Stephenson: Lightweight methods and compositions for sand control. BJ Services Company, O&apos Keefe Egan & Peterman, June 15, 2004: US06749025 (111 worldwide citation)

Methods and compositions useful for controlling sand production from subterranean formations that utilize relatively lightweight and/or substantially neutrally buoyant particles as particulate sand control material.


7
Harold D Brannon, Richard M Hodge, Kevin W England: High temperature guar-based fracturing fluid. Dowell Schlumberger Incorporated, Littlefield, January 31, 1989: US04801389 (87 worldwide citation)

A fracturing fluid based on quar gum exhibiting good viscosity and stability at temperatures from about 80.degree. C. to at least about 120.degree. C. The fracturing fluid includes a guar gum, a zirconium or hafnium cross-linking agent, and a bicarbonate salt in an aqueous solution at a pH from abou ...


8
Robert M Tjon Joe Pin, Harold D Brannon, Allan R Rickards: Method of dissolving organic filter cake obtained from polysaccharide based fluids used in production operations and completions of oil and gas wells. BJ Services Company, Charles D Gunter Jr, Susan L Firestone, September 28, 1993: US05247995 (66 worldwide citation)

The invention shows a method of degrading damaging material within a subterranean formation of a well bore using an enzyme treatment. Filter cakes and very viscous fluids are such damaging materials. The enzyme treatment degrades polysaccharide-containing filter cakes and damaging fluids which reduc ...


9
Harold D Brannon, William D Wood, Christopher J Stephenson: Methods and compositions for introducing conductive channels into a hydraulic fracturing treatment. BJ Services Company, Howrey, May 8, 2007: US07213651 (42 worldwide citation)

Methods for the treatment of subterranean wells involving injecting a first fracturing fluid into a formation, and then injecting at least a second fracturing fluid into the formation in order to create extended conductive channels through a formation are described. The fracturing fluids can be simi ...


10
Harold D Brannon, Janet Gulbis, Milton T King, George W Hawkins: Method of optimizing the conductivity of a propped fractured formation. Dowell Schlumberger Incorporated, Stephen A Littlefield, April 14, 1992: US05103905 (39 worldwide citation)

Method of reducing the viscosity of a fracturing fluid containing a polymer by introducing both delayed breaker and nondelayed breaker into the fracturing fluid. Preferably, the relative amounts of delayed and undelayed breaker are determined by first determining the concentration of polymer in the ...