4. Wells
  5. Processes
  6. Perforating, weakening, bending or separating pipe at an...

Charles W. Pleasants

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Combination whipstock and seal bore diverter system

Wells – Vibrator
Reexamination Certificate

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Emergency release device for connecting between tubular members

Wells – Detents or clutches – Flow permitting means bridging fluid conduit
Patent

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Fluid flow control apparatus, shifting tool and method for oil a

Wells – Processes – Operating valve – closure – or changeable restrictor in a well
Patent

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Fluid flow control system, assembly and method for oil and gas w

Wells – Processes – Placing or shifting well part
Patent

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Hydraulic up-down well jar and method of operating same

Wells – With jar means for releasing stuck part
Patent

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Profile ID: LFUS-PAI-P-174434

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