4. Communications: electrical
  5. Wellbore telemetering or control
  6. Selective control of subsurface equipment

Don A. Hopmann

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Method for repeating messages in long intelligent completion...

Communications: electrical – Wellbore telemetering or control – Selective control of subsurface equipment
Reexamination Certificate

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Optical position sensing for well control tools

Wells – Processes – Operating valve – closure – or changeable restrictor in a well
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Profile ID: LFUS-PAI-P-2693961

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