4. Electricity: measuring and testing
  5. Of geophysical surface or subsurface in situ
  6. With radiant energy or nonconductive-type transmitter

Edward S. Mumby

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Apparatus for well logging telemetry

Communications – electrical: acoustic wave systems and devices – Wellbore telemetering – Through drill string or casing
Patent

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Apparatus for well logging telemetry

Valves and valve actuation – Fluid actuated or retarded – Pilot or servo type motor
Patent

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Apparatus for well logging while drilling

Boring or penetrating the earth – With signaling – indicating – testing or measuring – Measuring or indicating drilling fluid rate of flow
Patent

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Drilling fluid pressure pulse detection using a differential...

Communications – electrical: acoustic wave systems and devices – Wellbore telemetering – Through well fluids
Reexamination Certificate

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Externally mounted radioactivity detector for MWD

Radiant energy – Geological testing or irradiation – With drill or drilling
Patent

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Profile ID: LFUS-PAI-P-137839

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