4. Wells
  5. Valves, closures or changeable restrictors
  6. Longitudinally movable operator

Kirby Hayes

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Pass through valve and stab tool

Wells – Valves – closures or changeable restrictors – Longitudinally movable operator
Reexamination Certificate

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Pressure-actuated perforation with automatic fluid...

Wells – Processes – Perforating – weakening – bending or separating pipe at an...
Reexamination Certificate

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Pressure-actuated perforation with continuous removal of debris

Wells – Processes – Perforating – weakening – bending or separating pipe at an...
Reexamination Certificate

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Process of using a propellant treatment and continuous foam...

Wells – Processes – Perforating – weakening – bending or separating pipe at an...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2968155

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