Oilfield stuffing box

Details Oilfield stuffing box Oilfield stuffing box

E - Fixed Constructions

21

B

E21B 33/08 (2006.01)

Patent

CA 2693196

A stuffing box (10) is provided for sealing with a rotating rod string (20) extending into a well for powering a pump (22). A sleeve (30) is rotated within the stuffing box housing (24) and receives the sucker rod therein, while one or more bearings (34, 36) guide rotation of the sleeve. A plurality of static seals (50) seal between the sleeve and the sucker rod, while a plurality of dynamic seals (40) seal between the sleeve and the stuffing box housing.

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