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

John M. Yokley

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Ball and plug dropping head

Wells – Above ground apparatus – With means for injecting solid or particulate material into...
Reexamination Certificate

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Downhole plug holder and method

Wells – Processes – Placing or shifting well part
Reexamination Certificate

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Downhole radial set packer element

Wells – Processes – Placing or shifting well part
Reexamination Certificate

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Downhole tool with port isolation

Wells – Processes – Placing or shifting well part
Reexamination Certificate

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Liner assembly and method

Wells – Packers or plugs – With expanding anchor
Patent

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Profile ID: LFUS-PAI-P-1053965

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