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Patent applications and USPTO patent grants for Edwards; Arnold G..The latest application filed is for "hydraulically actuated downhole valve apparatus".
Patent | Date |
---|---|
Hydraulically actuated downhole valve apparatus Grant 5,156,207 - Haugen , et al. October 20, 1 | 1992-10-20 |
Anchor apparatus for a tubing and wireline conveyed method and apparatus Grant 5,095,993 - Huber , et al. March 17, 1 | 1992-03-17 |
Method and apparatus for safe transport handling arming and firing of perforating guns using a bubble activated detonator Grant 5,088,413 - Huber , et al. February 18, 1 | 1992-02-18 |
Tubing and wireline conveyed perforating method and apparatus Grant 5,025,861 - Huber , et al. June 25, 1 | 1991-06-25 |
Hydraulic setting tool Grant 4,436,149 - Edwards March 13, 1 | 1984-03-13 |
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