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Yick-Mow Shum
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Houston, TX, US
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last 30 patents
Information
Patent Grant
Steamflood process employing horizontal and vertical wells
Patent number
4,727,937
Issue date
Mar 1, 1988
Texaco Inc.
Yick M. Shum
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method for producing viscous hydrocarbons from discrete segments of...
Patent number
4,535,845
Issue date
Aug 20, 1985
Texaco Inc.
Alfred Brown
E21 - EARTH DRILLING MINING
Information
Patent Grant
Thermal injection and in situ combustion process for heavy oils
Patent number
4,495,994
Issue date
Jan 29, 1985
Texaco Inc.
Alfred Brown
E21 - EARTH DRILLING MINING
Information
Patent Grant
Petroleum recovery chemical retention prediction technique
Patent number
4,278,128
Issue date
Jul 14, 1981
Texaco Inc.
Abdus Satter
E21 - EARTH DRILLING MINING
Information
Patent Grant
Petroleum recovery chemical retention prediction technique
Patent number
4,273,187
Issue date
Jun 16, 1981
Texaco Inc.
Abdus Satter
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method for steam injection in steeply dipping formations
Patent number
4,260,018
Issue date
Apr 7, 1981
Texaco Inc.
Yick-Mow Shum
E21 - EARTH DRILLING MINING
Information
Patent Grant
High vertical conformance steam drive oil recovery method
Patent number
4,166,504
Issue date
Sep 4, 1979
Texaco Inc.
Alfred Brown
E21 - EARTH DRILLING MINING
Information
Patent Grant
Thermal recovery method
Patent number
4,059,152
Issue date
Nov 22, 1977
Texaco Inc.
Joseph C. Allen
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method of treating a high temperature formation to permit the use t...
Patent number
4,050,513
Issue date
Sep 27, 1977
Texaco Inc.
Ching H. Wu
E21 - EARTH DRILLING MINING
Information
Patent Grant
Thermal recovery method
Patent number
3,991,828
Issue date
Nov 16, 1976
Texaco Inc.
Joseph C. Allen
E21 - EARTH DRILLING MINING