Autonomous data transmission apparatus
Patent
·
OSTI ID:458573
A autonomous borehole data transmission apparatus is described for transmitting measurement data from measuring instruments at the downhole end of a drill string by generating pressure pulses utilizing a transducer longitudinally responsive to magnetic field pulses caused by electrical pulses corresponding to the measured downhole parameters. 4 figs.
- Research Organization:
- Lockheed Martin Idaho Tech Co
- DOE Contract Number:
- AC07-94ID13223;
- Assignee:
- PTO; PA: EDB-97:057037; SCA: 440400; SN: 97001758979
- Patent Number(s):
- US 5,615,172/A/
- Application Number:
- PAN: 8-636,175
- OSTI ID:
- 458573
- Country of Publication:
- United States
- Language:
- English
Similar Records
Autonomous data transmission apparatus
Apparatus for vibrating a pipe string in a borehole
Measuring while drilling apparatus mud pressure signal valve
Patent
·
1996
·
OSTI ID:870883
Apparatus for vibrating a pipe string in a borehole
Patent
·
1990
·
OSTI ID:6915955
Measuring while drilling apparatus mud pressure signal valve
Patent
·
1986
·
OSTI ID:6789796