Communications: electrical – Wellbore telemetering or control – Using a specific transmission medium
Reexamination Certificate
2006-08-08
2006-08-08
Wong, Albert K. (Department: 2635)
Communications: electrical
Wellbore telemetering or control
Using a specific transmission medium
C343S718000, C343S767000, C439S730000, C175S320000
Reexamination Certificate
active
07088260
ABSTRACT:
A communication method for retrieving stored data from an MWD tool, through an antenna used for conventional EM data telemetry. The method comprises establishing electrical contact between a surface transceiver and an EM data telemetry antenna upon retrieval to the surface. The MWD tool then transfers data through the antenna, the data being received by the surface transceiver. Also provided is an electrical isolation connector subassembly comprising an electrically insulative coating to electrically isolate the splitsub components, thereby forming the antenna for data transfer and EM data telemetry.
REFERENCES:
patent: 5138313 (1992-08-01), Barrington
patent: 5163714 (1992-11-01), Issenmann
patent: 6050353 (2000-04-01), Logan
patent: 2151525 (1996-12-01), None
Koro Victor
Sim David
Sutherland Michael T.
White Matthew Robert
Barnes & Thornburg LLP
Ryan Energy Technologies
Wong Albert K.
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