Locking assembly for well devices

Details Locking assembly for well devices Locking assembly for well devices

E - Fixed Constructions

21

B

166/62

E21B 23/02 (2006.01) F04D 13/10 (2006.01)

Patent

CA 1162845

LOCKING ASSEMBLY FOR WELL DEVICES Abstract A locking assembly for well devices, such as a cable sus- pended electric pump, for anchoring the device against both axial and rotative movement within a well flow conductor. The assembly includes locking keys engageable with locking recesses provided in the flow conductor to support the device within said conductor. An expander mandrel actuated by the torque forces developed by a rotating element of the well device coacts with said locking keys to urge said keys into tighter locking position and thereby prevent rotation of said assembly within the flow conductor. The assembly also includes an equalizing valve which equalizes pressures across the assembly and the well device prior to releasing the locking action of the locking keys. This invention relates to new and useful improvements in Locking Assemblies for Well Devices and is particularly adapted for use in locking cable suspended submergible electric pumping equipment in operating position within a well tubing.

382073

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