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

Richard D. Havinga

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Coiled tubing/top drive rig and method

Wells – Processes – Assembling well part
Reexamination Certificate

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Lubricator for use with coiled tubing apparatus and...

Wells – Above ground apparatus – Moving tubing or cable into an existing well
Reexamination Certificate

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Mobile drilling rig with dual carriers

Wells – Processes – Placing or shifting well part
Reexamination Certificate

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Mobile drilling rig with dual carriers

Wells – Processes – Placing or shifting well part
Reexamination Certificate

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Mobile drilling rig with replaceable dolly

Boring or penetrating the earth – With above-ground means to advance or retract boring means
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2406095

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