4. Wells
  5. Pistons, fluid driven into well

Weatherford U.S. Inc.

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Active jaw for a power tong

Tools – Wrench – screwdriver – or driver therefor – Machine
Patent

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Apparatus and method for inserting flow control means into a wel

Wells – Processes – Placing or shifting well part
Patent

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Apparatus for connecting and disconnecting threaded members

Tools – Wrench – screwdriver – or driver therefor – Machine
Patent

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Auto-fill flow valve

Fluid handling – Systems – Line condition change responsive release of valve
Patent

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Casing cutting and retrieving tool

Wells – Means for perforating – weakening – bending or separating pipe... – Cutter rotates circumferentially of pipe
Patent

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Profile ID: LFUS-PAI-P-880635

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