4. Wells
  5. Packers or plugs
  6. Flow stopping type; e.g., plug

Don S. Folds

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Bridge plug

Wells – Processes – Placing or shifting well part
Reexamination Certificate

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Dissolvable downhole tools

Wells – Processes – Assembling 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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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

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

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Profile ID: LFUS-PAI-P-2482463

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