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

Nam V. Le

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Flapper valve

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

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Flapper valve protection

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

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Well completion system with flapper control valve

Wells – Processes – Placing or shifting well part
Patent

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Profile ID: LFUS-PAI-P-1333942

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