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

Keith A. Ryder

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By-pass valve mechanism and method of use hereof

Wells – Processes – Placing or shifting well part
Reexamination Certificate

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Fracturing tool having tubing isolation system and method

Wells – Processes – Placing fluid into the formation
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2968731

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