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Steven R. Erbstoesser
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Missouri City, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method for placing ball sealers onto casing perforations in a devia...
Patent number
4,753,295
Issue date
Jun 28, 1988
Exxon Production Research Company
Gerard A. Gabriel
E21 - EARTH DRILLING MINING
Information
Patent Grant
Use of degradable ball sealers to seal casing perforations in well...
Patent number
4,716,964
Issue date
Jan 5, 1988
Exxon Production Research Company
Steven R. Erbstoesser
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Composition for reducing the permeability of subterranean formations
Patent number
4,526,695
Issue date
Jul 2, 1985
Exxon Production Research Co.
Steven R. Erbstoesser
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method of controlling displacement of propping agent in fracturing...
Patent number
4,488,599
Issue date
Dec 18, 1984
Exxon Production Research Co.
Robert L. Graham
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method of controlling displacement of propping agent in fracturing...
Patent number
4,421,167
Issue date
Dec 20, 1983
Exxon Production Research Co.
Steven R. Erbstoesser
E21 - EARTH DRILLING MINING
Information
Patent Grant
Polyurethane ball sealers for well treatment fluid diversion
Patent number
4,407,368
Issue date
Oct 4, 1983
Exxon Production Research Company
Steven R. Erbstoesser
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method for reducing the permeability of subterranean formations
Patent number
4,387,769
Issue date
Jun 14, 1983
Exxon Production Research Co.
Steven R. Erbstoesser
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method of selective diversion in deviated wellbores using ball sealers
Patent number
4,287,952
Issue date
Sep 8, 1981
Exxon Production Research Company
Steven R. Erbstoesser
E21 - EARTH DRILLING MINING
Information
Patent Grant
Low density ball sealers for use in well treatment fluid diversions
Patent number
4,244,425
Issue date
Jan 13, 1981
Exxon Production Research Company
Steven R. Erbstoesser
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method for placing ball sealers onto casing perforations
Patent number
4,195,690
Issue date
Apr 1, 1980
Exxon Production Research Company
Steven R. Erbstoesser
E21 - EARTH DRILLING MINING
Information
Patent Grant
Placement apparatus and method for low density ball sealers
Patent number
4,194,561
Issue date
Mar 25, 1980
Exxon Production Research Company
Charles O. Stokley
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus for placing buoyant ball sealers
Patent number
4,187,909
Issue date
Feb 12, 1980
Exxon Production Research Company
Steven R. Erbstoesser
E21 - EARTH DRILLING MINING
Information
Patent Grant
Ball sealer diversion of matrix rate treatments of a well
Patent number
4,160,482
Issue date
Jul 10, 1979
Exxon Production Research Company
Steven R. Erbstoesser
E21 - EARTH DRILLING MINING
Information
Patent Grant
Well treatment fluid diversion with low density ball sealers
Patent number
4,102,401
Issue date
Jul 25, 1978
Exxon Production Research Company
Steven R. Erbstoesser
E21 - EARTH DRILLING MINING