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

Gregory W. Vargus

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Downhole sealing tools and method of use

Wells – Processes – Placing or shifting well part
Reexamination Certificate

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Downhole sealing tools and method of use

Wells – Processes – Placing or shifting well part
Reexamination Certificate

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Frac plug with caged ball

Boring or penetrating the earth – Processes
Reexamination Certificate

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Frac plug with caged ball

Wells – Packers or plugs – Flow stopping type; e.g. – plug
Reexamination Certificate

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Low pressure, high temperature composite bridge plug

Wells – Packers or plugs – With expanding anchor
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2053085

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