4. Tool driving or impacting
  5. Hammer or tool shaft reciprocated by gripping means which...
  6. With fixed means cyclically contacted by grip structure

Tesco Corporation

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Anchoring device for a wellbore tool

Wells – Processes – Placing or shifting well part
Reexamination Certificate

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Anchoring device for a wellbore tool

Wells – Cementing device
Reexamination Certificate

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Apparatus for facilitating the connection of tubulars using...

Wells – Grapple and well anchored lifting means
Reexamination Certificate

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Borehole stabilization while drilling

Boring or penetrating the earth – Processes
Reexamination Certificate

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Burst plug for a downhole fluid passage

Wells – Processes – Placing or shifting well part
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2023170

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