4. Wells
  5. Valves, closures or changeable restrictors
  6. Fluid operated

Richard P. Rubbo

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Energized thermoplastic sealing element and method of use

Wells – Packers or plugs – With expanding anchor
Reexamination Certificate

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Energized thermoplastic sealing element and method of use

Wells – Packers or plugs – With expanding anchor
Reexamination Certificate

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Metal seal well packer

Wells – Packers or plugs – Deformable portion engages conduit restriction
Patent

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Method and apparatus for completion of a horizontal well

Wells – Processes – Placing or shifting well part
Patent

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Method and apparatus for completion of a well

Wells – Processes – Placing or shifting well part
Patent

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Profile ID: LFUS-PAI-P-661611

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