4. Boring or penetrating the earth
  5. With tool shaft detail
  6. Axially telescoping shaft section

Jimmy L. Hollingsworth

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Method and apparatus for drilling with casing

Wells – Processes – Assembling well part
Reexamination Certificate

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Method and device to clamp control lines to tubulars

Wells – Processes – Placing or shifting well part
Reexamination Certificate

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Method and device to clamp control lines to tubulars

Wells – Processes – Placing or shifting well part
Reexamination Certificate

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Releasing tool

Boring or penetrating the earth – With tool shaft detail – Axially telescoping shaft section
Patent

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Profile ID: LFUS-PAI-P-1770976

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