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

James W. Montgomery

Inventor

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Annulus operated test valve

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

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Bottom lock pipe seal assembly

Wells – Packers or plugs – With expanding anchor
Patent

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Device for tapping and plugging a fluid conductor

Fluid handling – With repair – tapping – assembly – or disassembly means – Tapping a pipe – keg – or apertured tank under pressure
Patent

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Interprocess communications system and method utilizing shared m

Patent

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Pressure actuated holding apparatus

Wells – Packers or plugs – With expanding anchor
Patent

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Profile ID: LFUS-PAI-P-106455

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