4. Communications, electrical: acoustic wave systems and devices
  5. Wellbore telemetering
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Reciprocating pulser for mud pulse telemetry

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

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Reprogrammable downhole telemetry and control system

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

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Reservoir monitoring through modified casing joint

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

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Resonant acoustic transducer and driver system for a well drilli

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

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Resonant acoustic transducer system for a well drilling string

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

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Resonant acoustic transducer system for a well drilling string

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

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Rotary acting shear valve for drilling fluid telemetry systems

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

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Rotational pulsation system and method for communicating

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

  [ 0.00 ] – not rated yet Voters 0   Comments 0
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