Downhole motor locking assembly and method

Details Downhole motor locking assembly and method Downhole motor locking assembly and method

E - Fixed Constructions

21

B

E21B 23/00 (2006.01) E21B 4/02 (2006.01) E21B 7/06 (2006.01) E21B 7/08 (2006.01) E21B 23/04 (2006.01) E21B 29/06 (2006.01) F03B 13/02 (2006.01) F04C 2/107 (2006.01) F04C 13/00 (2006.01)

Patent

CA 2447565

A lockable motor assembly for use in a well bore comprises a stator, a rotor rotatably mounted within the stator, and a selectively removable flow restriction means. The lockable motor assembly may further comprise holding means for rotationally fixing the rotor to the stator. The flow restriction means limits the flow rate of fluid downstream of the rotor, thereby substantially balancing hydraulic pressure above and below the stator.

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