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Margaret A. Hight
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Houston, TX, US
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Patents Grants
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
Patterns having horizontal and vertical wells
Patent number
4,718,485
Issue date
Jan 12, 1988
Texaco Inc.
Alfred Brown
E21 - EARTH DRILLING MINING
Information
Patent Grant
Patterns of horizontal and vertical wells for improving oil recover...
Patent number
4,702,314
Issue date
Oct 27, 1987
Texaco Inc.
Wann-Sheng Huang
E21 - EARTH DRILLING MINING
Information
Patent Grant
Parallel horizontal wells
Patent number
4,700,779
Issue date
Oct 20, 1987
Texaco Inc.
Wann-Sheng Huang
E21 - EARTH DRILLING MINING
Information
Patent Grant
Modified 7 spot patterns of horizontal and vertical wells for impro...
Patent number
4,685,515
Issue date
Aug 11, 1987
Texaco Inc.
Wann-Sheng Huang
E21 - EARTH DRILLING MINING
Information
Patent Grant
Producing hydrocarbons through successively perforated intervals of...
Patent number
4,682,652
Issue date
Jul 28, 1987
Texaco Inc.
Wann-Sheng Huang
E21 - EARTH DRILLING MINING
Information
Patent Grant
Horizontal wells at corners of vertical well patterns for improving...
Patent number
4,662,441
Issue date
May 5, 1987
Texaco Inc.
Wann-Sheng Huang
E21 - EARTH DRILLING MINING
Information
Patent Grant
Patterns of horizontal and vertical wells for improving oil recover...
Patent number
4,646,824
Issue date
Mar 3, 1987
Texaco Inc.
Wann-Sheng Huang
E21 - EARTH DRILLING MINING
Information
Patent Grant
Patterns of horizontal and vertical wells for improving oil recover...
Patent number
4,645,003
Issue date
Feb 24, 1987
Texaco Inc.
Wann-Sheng Huang
E21 - EARTH DRILLING MINING
Information
Patent Grant
Patterns of vertical and horizontal wells for improving oil recover...
Patent number
4,637,461
Issue date
Jan 20, 1987
Texaco Inc.
Margaret A. Hight
E21 - EARTH DRILLING MINING