Wells – Processes – Assembling well part
Patent
1995-03-20
1996-07-30
Dang, Hoang C.
Wells
Processes
Assembling well part
74 182, 166 811, E21B 3308
Patent
active
055402836
ABSTRACT:
A method and apparatus for protecting a polished rod of a pumping unit so that the portion of the polished rod that passes out of the top of a stuffing box of a wellhead on the upstroke of the polished rod is protected from the environment surrounding the wellhead. The method and apparatus also assist with containment of well fluids which may escape from the stuffing box.
REFERENCES:
patent: 113638 (1871-04-01), Dewey
patent: 2196676 (1940-04-01), Johnson et al.
patent: 3186722 (1965-06-01), Johnston
patent: 3270810 (1966-09-01), Johnston
patent: 3353606 (1967-11-01), Dyer
patent: 3369411 (1968-02-01), Hines
patent: 3796103 (1974-03-01), Winfield, Jr.
patent: 3953037 (1976-04-01), Winfield, Jr.
patent: 4951743 (1990-08-01), Henderson
patent: 5150751 (1992-09-01), Burton
Atlantic Richfield Company
Dang Hoang C.
MacDonald Roderick W.
Wood John L.
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