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

David E. Sask

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Safeguarded method and apparatus for fluid communiction using co

Wells – Processes – Placing or shifting well part
Patent

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System and method for optimizing production in a well

Wells – Processes – With indicating – testing – measuring or locating
Reexamination Certificate

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Tubing fill and testing valve

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

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Tubing fill and testing valve

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

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Profile ID: LFUS-PAI-P-1871559

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