4. Wells
  5. Processes
  6. Operating valve, closure, or changeable restrictor in a well

Jerome Prost

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Overriding a primary control subsystem of a downhole tool

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

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Stabilizer for a rod, particularly a string of drilling rods

Boring or penetrating the earth – With tool shaft detail – Shaft carried guide or protector
Reexamination Certificate

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Stabilizer for a rod, particularly a string of drilling rods

Boring or penetrating the earth – With tool shaft detail – Shaft carried guide or protector
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

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Profile ID: LFUS-PAI-P-2311917

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