4. Wells
  5. Automatic

Charles E. Jennings

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Apparatus and method for remote adjustment of drill string...

Wells – Submerged well – Connection or disconnection of submerged members remotely...
Reexamination Certificate

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Apparatus for remote adjustment of drill string centering to...

Wells – Submerged well – Connection or disconnection of submerged members remotely...
Reexamination Certificate

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Bi-directional metal-to-metal seal

Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent

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Blowout preventer isolation test tool

Wells – Submerged well – Wellhead
Patent

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BOP isolation test tool

Wells – Submerged well – Testing
Patent

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Profile ID: LFUS-PAI-P-174591

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