4. Communications: electrical
  5. Wellbore telemetering or control
  6. Pulse or digital signal transmission
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Pressure pulse generator for MWD

Communications: electrical – Wellbore telemetering or control – Pulse or digital signal transmission
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Self-contained downhole sensor and method of placing and...

Communications: electrical – Wellbore telemetering or control – Pulse or digital signal transmission
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Simultaneous digitizing apparatus for an acoustic tool

Communications: electrical – Wellbore telemetering or control – Pulse or digital signal transmission
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Simultaneous digitizing apparatus for an acoustic tool

Communications: electrical – Wellbore telemetering or control – Pulse or digital signal transmission
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Surface real-time processing of downhole data

Communications: electrical – Wellbore telemetering or control – Pulse or digital signal transmission
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Synchronous CDMA telemetry system for use in a wellbore

Communications: electrical – Wellbore telemetering or control – Pulse or digital signal transmission
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Telemetry driving circuit

Communications: electrical – Wellbore telemetering or control – Pulse or digital signal transmission
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Time-domain signal cancellation in downhole telemetry systems

Communications: electrical – Wellbore telemetering or control – Pulse or digital signal transmission
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Toroidal coupled telemetry apparatus

Communications: electrical – Wellbore telemetering or control – Pulse or digital signal transmission
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Well logging communication system

Communications: electrical – Wellbore telemetering or control – Pulse or digital signal transmission
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0
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