1
Steven R Erbstoesser, Claude E Cooke Jr, Richard G Sinclair, Michael M Epstein: Method for reducing the permeability of subterranean formations. Exxon Production Research Co, K C Johnson, E Eugene Thigpen, June 14, 1983: US04387769 (219 worldwide citation)

The present invention relates generally to the composition and method for reducing the permeability of subterranean formations penetrated by a wellbore. The composition of the present invention comprises a wellbore fluid having dispersed therein a fluid loss control agent comprising a polyester poly ...


2
Steven R Erbstoesser, Claude E Cooke Jr, Richard G Sinclair, Michael M Epstein: Use of degradable ball sealers to seal casing perforations in well treatment fluid diversion. Exxon Production Research Company, Hubert E Cox, Gary D Lawson, January 5, 1988: US04716964 (218 worldwide citation)

Plugging perforations in casing in a wellbore penetrating a subterranean formation using degradale ball sealers. The ball sealer used is composed of a polyester polymer which is substantially insoluble in the wellbore fluid. The polymer degrades in the presence of water at an elevated temperature to ...


3
Steven R Erbstoesser, Claude E Cooke Jr, Richard G Sinclair, Michael M Epstein: Composition for reducing the permeability of subterranean formations. Exxon Production Research Co, James J Riley Jr, Marc L Delflache, July 2, 1985: US04526695 (169 worldwide citation)

The present invention relates generally to the composition and method for reducing the permeability of subterranean formations penetrated by a wellbore. The composition of the present invention comprises a wellbore fluid having dispersed therein a fluid loss control agent comprising a polyester poly ...


4
Claude E Cooke Jr, Walter A Hedden, William C Chard: Hydraulic fracturing method using sintered bauxite propping agent. Exxon Production Research Company, Salvatore J Casamassima, Robert L Graham, January 17, 1978: US04068718 (168 worldwide citation)

An improved method of fracturing a subterranean formation wherein particles composed of sintered bauxite are placed in the formation fracture to maintain the walls of the fracture spaced apart. The sintered bauxite particles have a specific gravity greater than 3.4 and are prepared from bauxite mate ...


5
Claude E Cooke Jr: Method and materials for hydraulic fracturing of wells. September 27, 2005: US06949491 (99 worldwide citation)

Hydraulic fracturing of wells by injecting a degradable polymer phase as a fracturing fluid is provided. Composition and degree of polymerization of the degradable polymer and the selection of additives may be varied to adjust the viscosity, degradation time and other properties of the fracturing fl ...


6
William M Salathiel, Thomas W Muecke, Claude E Cooke Jr, Norman N Li: Well treatment with emulsion dispersions. Exxon Production Research Company, Robert B Martin, November 11, 1980: US04233165 (69 worldwide citation)

A method of treating a subterranean formation wherein a well treatment composition comprising a dispersion of a water-in-oil emulsion in an aqueous medium is injected into the formation. The water-in-oil emulsion has an internal aqueous phase and an external phase containing a liquid hydrocarbon and ...


7
Claude E Cooke Jr: Temperature logging for flow outside casing of wells. Pravel Hewitt Kimball & Krieger, April 23, 1996: US05509474 (52 worldwide citation)

Apparatus and method for detecting varying flow velocity at differing points outside the casing in a wellbore are provided. The flow is detected by stationary temperature sensors inside the casing. Logging means, sensors left in the well with data storage, data telemetry to surface and downhole alar ...


8
Claude E Cooke Jr: Apparatus for determining mechanical integrity of wells. Pravel Hewitt Kimball & Krieger, October 11, 1994: US05353873 (49 worldwide citation)

Apparatus and method for detecting flow outside Casing in a well are provided. The flow may be detected by logging tools or by fixed equipment inside casing. An alarm system is provided for lack of mechanical integrity of a wellbore. Stationary temperature sensors are placed in contact with the insi ...


9
Claude E Cooke Jr: Method and apparatus for delayed flow or pressure change in wells. Claude E Cooke Jr, September 27, 2011: US08025104 (49 worldwide citation)

Degradable polylactic or polyhydroxyalkanoate polymers may be used to viscosify aqueous fluids for use in wells, Sand control screen or liner can be coated with a solid degradable polymer during placement in a well. Mechanical changes or flow changes in a well can be caused by solid degradable polym ...


10
William M Salathiel, Thomas W Muecke, Claude E Cooke Jr, Norman N Li: Well treatment with emulsion dispersions. Exxon Production Research Co, Exxon Research and Engineering Co, George E Glober Jr, November 16, 1982: US04359391 (43 worldwide citation)

In a method of treating a subterranean formation, a well treatment composition comprising a dispersion of a water-in-oil emulsion in an aqueous medium is injected into the formation. The water-in-oil emulsion has an internal aqueous phase and an external phase containing a liquid hydrocarbon and a s ...