Rod pump stuffing box

Details Rod pump stuffing box Rod pump stuffing box

2011-01-04

2011-01-04

Stephenson, Daniel P (Department: 3676)

Wells

Above ground apparatus

With seal for reciprocating member

C166S196000, C277S511000, C277S520000

Reexamination Certificate

active

07861771

ABSTRACT:
A stuffing box for sealing around a polished rod in a well including a cylindrical connector for receiving the polished rod, a packing member having top and lateral surfaces and wherein the packing member is concentrically disposed around the polished rod, a body concentrically disposed around the packing member and sealing engaging the cylindrical connector, and wherein the body may be selectively moved to expose the top and lateral surface of the packing members is disclosed. A method of repairing, redressing, or replacing packing members of a stuffing box including providing a stuffing box at a wellhead, manipulating the stuffing box such that top and lateral surfaces of the packing members are exposed, removing the packing members, and redressing the stuffing box with new packing members is also disclosed.

REFERENCES:
patent: 1884642 (1932-10-01), Flake
patent: 2048320 (1936-07-01), Bennett
patent: 2564912 (1951-08-01), McKissick
patent: 6167959 (2001-01-01), Bassinger et al.

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