Emergency downhole disconnect tool

Details Emergency downhole disconnect tool Emergency downhole disconnect tool

E - Fixed Constructions

21

B

E21B 23/00 (2006.01) E21B 17/06 (2006.01) E21B 23/04 (2006.01)

Patent

CA 2119810

An emergency downhole disconnect tool for use in a drilling well conduit having hydraulic pressure activated and electricity activated means for disconnecting the tool from the drilling assembly by disconnecting telescoping first and second releasably connected parts.

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