4. Wells
  5. Processes
  6. Operating valve, closure, or changeable restrictor in a well

Fred S. Wong

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Sliding sleeve valve

Valves and valve actuation – With correlated flow path – Pipe side
Patent

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Subsurface safety valve

Wells – Valves – closures or changeable restrictors – Fluid operated
Patent

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Subsurface safety valve

Wells – Processes – Operating valve – closure – or changeable restrictor in a well
Patent

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Profile ID: LFUS-PAI-P-1134518

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