4. Wells
  5. Packers or plugs
  6. With expanding anchor

James A. Simson

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Cementing manifold assembly

Wells – Processes – Cementing – plugging or consolidating
Reexamination Certificate

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Cementing manifold assembly

Wells – Cementing device
Reexamination Certificate

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Drillable bridge plug

Wells – Packers or plugs – With expanding anchor
Reexamination Certificate

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Drillable bridge plug

Wells – Packers or plugs – With expanding anchor
Reexamination Certificate

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High pressure sealing apparatus and method

Wells – Processes – Placing or shifting well part
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1209849

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