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

Henry P. Arendt

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Balanced area safety valve

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

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Downhole inspection system

Measuring and testing – Borehole or drilling – Downhole test
Patent

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Lock open mechanism for subsurface safety valve

Valves and valve actuation – Fluid actuated or retarded – With mechanical movement between actuator and valve
Patent

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Lubricator for moving well equipment through flow conductor

Wells – Above ground apparatus – With assembly or disassembly means
Patent

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Method and apparatus for performing operations in well tubing

Wells – Processes – Placing or shifting well part
Patent

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Profile ID: LFUS-PAI-P-219463

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