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Sze-Foo Chien
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Houston, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Measurement of steam quality and mass flow rate
Patent number
5,421,209
Issue date
Jun 6, 1995
Texaco Inc.
Clifford L. Redus
G01 - MEASURING TESTING
Information
Patent Grant
Method and apparatus for determining steam quality from steam veloc...
Patent number
5,404,745
Issue date
Apr 11, 1995
Texaco Inc.
Sze-Foo Chien
G01 - MEASURING TESTING
Information
Patent Grant
Method and apparatus for determining steam quality by measuring the...
Patent number
5,214,956
Issue date
Jun 1, 1993
Sze-Foo Chien
G01 - MEASURING TESTING
Information
Patent Grant
Method for determination of average downhole steam quality by measu...
Patent number
5,182,939
Issue date
Feb 2, 1993
Texaco Inc.
Sze-Foo Chien
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus for controlling the mass flow rate of steam in...
Patent number
5,141,055
Issue date
Aug 25, 1992
Texaco Inc.
Sze-Foo Chien
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus utilizing a single nozzle for effecting measur...
Patent number
5,092,159
Issue date
Mar 3, 1992
Texaco Inc.
Sze-Foo Chien
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus for determining steam quality and/or flow rate...
Patent number
5,035,146
Issue date
Jul 30, 1991
Texaco Inc.
Sze-Foo Chien
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatus and method for measuring the quality of steam
Patent number
4,849,988
Issue date
Jul 18, 1989
Texaco Inc.
Sze-Foo Chien
G01 - MEASURING TESTING
Information
Patent Grant
Method of determining the quality of steam for stimulating hydrocar...
Patent number
4,836,032
Issue date
Jun 6, 1989
Texaco, Inc.
Clifford L. Redus
G01 - MEASURING TESTING
Information
Patent Grant
Method for determining quality of reduced quality steam
Patent number
4,681,466
Issue date
Jul 21, 1987
Texaco Inc.
Sze-Foo Chien
G01 - MEASURING TESTING
Information
Patent Grant
Method and apparatus for producing viscous hydrocarbons from a subt...
Patent number
4,577,691
Issue date
Mar 25, 1986
Texaco Inc.
Wann-Sheng Huang
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method for decreasing resistance to flow of crude oil up from a wel...
Patent number
4,126,182
Issue date
Nov 21, 1978
Texaco Inc.
Joseph C. Allen
F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
Information
Patent Grant
System for decreasing resistance to flow of crude oil up from a wel...
Patent number
4,100,967
Issue date
Jul 18, 1978
Texaco Inc.
Joseph C. Allen
F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS