4. Wells
  5. Brushing, scraping, cutting or punching-type cleaners

Simon John Harrall

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Apparatus and methods of cleaning and refinishing tubulars

Wells – Brushing – scraping – cutting or punching-type cleaners
Reexamination Certificate

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Bore lining and drilling

Boring or penetrating the earth – Processes
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Collapse resistance of tubing

Wells – Processes – Placing or shifting well part
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Coupling and sealing tubulars in a bore

Wells – Processes – Assembling well part
Reexamination Certificate

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Coupling and sealing tubulars in a bore

Wells – Processes – Placing or shifting well part
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2287839

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