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Gary Q. Wray
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Duncan, OK, US
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last 30 patents
Information
Patent Grant
Downhole coiled tubing latch
Patent number
5,507,349
Issue date
Apr 16, 1996
Halliburton Company
Gary Q. Wray
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole tool utilizing well fluid compression
Patent number
4,589,485
Issue date
May 20, 1986
Halliburton Company
Gary Q. Wray
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drill pipe tester - pressure balanced
Patent number
4,560,004
Issue date
Dec 24, 1985
Halliburton Company
Donald W. Winslow
E21 - EARTH DRILLING MINING
Information
Patent Grant
Wellbore circulating valve
Patent number
4,058,165
Issue date
Nov 15, 1977
Halliburton Company
John C. Holden
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatus for testing oil wells
Patent number
3,964,305
Issue date
Jun 22, 1976
Halliburton Company
Gary Q. Wray
E21 - EARTH DRILLING MINING
Information
Patent Grant
Wellbore circulating valve
Patent number
3,930,540
Issue date
Jan 6, 1976
Halliburton Company
John C. Holden
E21 - EARTH DRILLING MINING