Stuffing box control system

Details Stuffing box control system Stuffing box control system

1975-06-02

1976-07-06

Leppink, James A.

Wells

Automatic

166 66, 166 84, 277 28, E21B 4300

Patent

active

039676781

ABSTRACT:
A stuffing box and associated control system having the facilities for sensing a leak past the polished rod seals and for correcting the leak by adjustment of the seals, utilizes a pressurized piston system for tightening the seals around the polished rod and also features means for signalling the well operator about the leak, for shutting down the pumping apparatus, and for achieving a final pack-off of the wellhead.

REFERENCES:
patent: 1754946 (1930-04-01), Haskell
patent: 3145995 (1964-08-01), Adamson et al.
patent: 3207221 (1965-09-01), Cochran et al.
patent: 3276246 (1966-10-01), Truman et al.
patent: 3532163 (1970-10-01), Ecuer
patent: 3731742 (1973-05-01), Sizer et al.
patent: 3863714 (1975-02-01), Watson, Jr.

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