Leak containment system for a stuffing box

Details Leak containment system for a stuffing box Leak containment system for a stuffing box

1993-02-01

1994-10-04

Britts, Ramon S.

Wells

Above ground apparatus

Fluid catcher around pipe coupling

166 84, 166107, E21B 3308

Patent

active

053517539

ABSTRACT:
A containment device is provided that includes a bottom tray (20) that is of cylindrical shape having a lower surface and one open end. The lower surface has a hole (26) disposed therethrough which is operable to be disposed about a flange on a wellhead with a seal (32) formed between the outer peripheral edges of the hole (26) and the peripheral edge (14) of the flange (12) on the wellhead. The stuffing box (16) will have leaks therefrom collected in the bottom of the tray (20). A cowling (20) is disposed about the stuffing box (16) and supported on a shelf (36) to maintain an amount of any fluid in the bottom of the tray (20). Cap (22) is disposed over the cowling with a hole (38) disposed in the upper surface thereof to allow the polish rod (18) to extend therethrough. An orifice (42) is operable to allow fluid to escape from the tray (20). Each of the bottom tray (20), cowling (24) and the cap (24) are split to allow assembly over and around the wellhead.

REFERENCES:
patent: 113638 (1871-04-01), Dewey
patent: 1910045 (1933-05-01), Paryzek
patent: 3186722 (1965-06-01), Johnston
patent: 3270810 (1966-09-01), Johnston
patent: 3532163 (1970-10-01), Ecuer
patent: 4530397 (1985-07-01), Calhoun
patent: 4665976 (1987-05-01), Retherford
patent: 5150751 (1992-09-01), Burton et al.
patent: 5246067 (1993-09-01), Heinonen et al.

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