4. Wells
  5. Processes
  6. Cementing, plugging or consolidating

Joseph B. Crump

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Casing cementer with torque-limiting rotating positioning tool

Wells – Processes – Cementing – plugging or consolidating
Patent

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Multi-pressure compensation of variable displacement pump

Pumps – Condition responsive control of drive transmission or pump... – Adjustable cam or linkage
Patent

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Multiple stage inflation packer with secondary opening rupture d

Wells – Packers or plugs – With controllable passage between central conduit and space...
Patent

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Protective cover assembly with reverse buckling disc

Fluid handling – Destructible or deformable element controlled – Destructible element
Patent

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Profile ID: LFUS-PAI-P-555266

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