4. Wells
  5. Processes
  6. Placing or shifting well part

Mark E. Hopmann

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Chevron seal for a well tool

Wells – Central chamber sealed with respect to prepositioned...
Patent

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Downhole flow control devices

Wells – Automatic
Reexamination Certificate

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Downhole flow control devices

Wells – Automatic
Patent

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Downhole flow control devices

Wells – Automatic
Reexamination Certificate

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Downhole flow control devices

Valves and valve actuation – Valve actuator is valve casing or extension thereof – Sleeve valve
Reexamination Certificate

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Profile ID: LFUS-PAI-P-348968

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