E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
255/1
E21B 47/12 (2006.01) E21B 17/00 (2006.01) E21B 23/14 (2006.01)
Patent
CA 1056807
ABSTRACT OF THE DISCLOSURE A cable system for wellbore telemetry includes a cable anchored at a subsurface location in a rotary drill string, guide assemblies for maintaining the cable in a looped configuration, and a cable gripping device for maintaining a portion of the cable in tension. Preferably the cable is provided with a novel releasable connector and latch assembly which (1) permits the cable to be electrically connected to a subsurface instrument and anchored to the drill string, (2) permits the cable to be maintained in tension, and (3) is releasable by manipulation of the cable at the surface. -1-
232422
Barry Adelbert
Robinson Leon H.
Speers Jerry M.
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