4. Wells
  5. Processes
  6. Placing or shifting well part

Evan L. Davies

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Drill string telemetry system and method

Communications: electrical – Wellbore telemetering or control – Using a specific transmission medium
Reexamination Certificate

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Drilling direction control device

Boring or penetrating the earth – Means traveling with tool to constrain tool to bore along...
Reexamination Certificate

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Logging tool induction coil form

Inductor devices – With supporting and/or spacing means between coil and core – Preformed insulation between coil and core
Reexamination Certificate

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Method for construction of low thermal expansion and low...

Wells – Processes – Placing or shifting well part
Reexamination Certificate

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Method for construction of low thermal expansion and low...

Wells – Processes – Placing or shifting well part
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2284856

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