4. Fluid handling
  5. Processes

Paul David Howlett

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Apparatus and method for cleaning well risers

Wells – Processes – Cleaning or unloading well
Reexamination Certificate

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Combined milling and scraping tool

Wells – Processes – Perforating – weakening – bending or separating pipe at an...
Reexamination Certificate

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Compression set packer and method of use

Wells – Processes – Placing or shifting well part
Reexamination Certificate

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Detachable locking device for a control valve and method

Fluid handling – Processes
Patent

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Disengagable burr mill

Wells – Processes – Cleaning or unloading well
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1787280

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