4. Wells
  5. Submerged well
  6. Connection or disconnection of submerged members remotely...

George Chalmers

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Automated dog-type riser make-up device and method of use

Wells – Submerged well – Connection or disconnection of submerged members remotely...
Reexamination Certificate

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Gasket with multiple sealing surfaces

Wells – Central chamber sealed with respect to prepositioned...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2143719

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