Device for limiting leakage from well head stuffing box...

Details Device for limiting leakage from well head stuffing box... Device for limiting leakage from well head stuffing box...

E - Fixed Constructions

21

B

166/27

E21B 33/03 (2006.01) E21B 33/08 (2006.01) E21B 34/02 (2006.01)

Patent

CA 1053146

ABSTRACT OF THE DISCLOSURE A device for limiting leakage from a well head stuffing box assembly of the type which includes a vertically reciprocating polished rod. The device provides a chamber surrounding the rod, and a flap valve which is spring loaded to close against a valve seat which surrounds the aperture for the polished rod at the upper end of the chamber. The valve is normally held open by the rod but springs up to close the aperture if the rod breaks and leaves the chamber.

271174

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