Wellbore telemetry system
CA 1056807 A · Owner: Exxon Production Research Company · Inventors: Robinson, Leon H.; Barry, Adelbert; Speers, Jerry M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
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-
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted June 19, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 19, 1996.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.