Self monitoring oil pump seal

Details Self monitoring oil pump seal Self monitoring oil pump seal

E - Fixed Constructions

21

B

E21B 33/02 (2006.01) E21B 33/08 (2006.01)

Patent

CA 2180522

A seal system for an oil well head, wherein the shaft rotates about its axis to drive a progressive cavity type pump. Primary and secondary polytetrafluoroethylene seals surround a sleeve that encircles the shaft. Pressure detectors connect to the space between the seals to detect leaks past the primary seat and signal a remote repair facility. The secondary seal assumes the sealing function while repairs are scheduled.

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