LandOfFree - US Patents - Listing for Communications, electrical: acoustic wave systems and devices,Wellbore telemetering,Through drill string or casing

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

Data transmission in a drill string

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

Distributed downhole drilling network

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

Downhole pipe selection for acoustic telemetry

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

Downhole telemetry system for wired tubing

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

Drilling signal transmission method and system

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

Dynamic efficiency optimization of piezoelectric actuator

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

Electromechanical transducer for acoustic telemetry system

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

Electromechanical transducer for acoustic telemetry system

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

High-speed, downhole, cross well measurement system

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

Hydraulic acoustic wave generator system for drillstrings

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

Impedance matched joined drill pipe for improved acoustic transm

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

Integrated well drilling and evaluation

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

Measurement-while-drilling acoustic system employing multiple, s

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

Measuring device for a drilling apparatus

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

Method and apparatus for improved communication in a...

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

Method and apparatus for remote control of wellbore end devices

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

Method and device for seismic prospecting using a drilling...

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

Method and device for the acquisition of signals while drilling

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

Method for acoustic signal transmission in a drill string