4. Wells
  5. Processes
  6. Assembling well part

Quinn Holtby

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Blowout preventer packing element with non-metallic...

Wells – Above ground apparatus – With seal for reciprocating member
Reexamination Certificate

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Drip tray

Fluent material handling – with receiver or receiver coacting mea – With soil removing – coating – lubricating – sterilizing and/or... – Drip collection
Patent

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Method and apparatus for enclosing an oil drilling rig

Boring or penetrating the earth – With above-ground means for handling drilling fluid or cutting – Fluid or cuttings directing or receiving means engaging bore...
Reexamination Certificate

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Method and apparatus for preventing environmental contamination

Wells – Processes – Assembling well part
Patent

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Method and apparatus for retrofitting drilling rigs with a catch

Fluid handling – Processes – Cleaning – repairing – or assembling
Patent

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Profile ID: LFUS-PAI-P-510546

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