Oilwell spill containment

Details Oilwell spill containment Oilwell spill containment

1995-01-03

1996-01-16

Novosad, Stephen J.

Wells

Processes

Producing the well

166379, E21B 3308

Patent

active

054840244

ABSTRACT:
An expandable and contractible covering is over the polished rod and the polished rod liner from above the polished rod liner clamp to below the stuffing box. This covering protects the environment in the event of failure of the liner or stuffing box. The covering may be quickly released from a basin below the stuffing box and contracted upward to service the stuffing box. The basin is connected to a special fitting between the stuffing box and pumping tee.

REFERENCES:
patent: 2137853 (1938-11-01), Nixon
patent: 2869469 (1959-01-01), Williams
patent: 3270810 (1966-09-01), Johnston
patent: 3353606 (1967-11-01), Dyer
patent: 3662829 (1972-05-01), Gault et al.
patent: 4949784 (1990-08-01), Evans
patent: 4951743 (1990-08-01), Henderson
patent: 5150751 (1992-09-01), Burton et al.
patent: 5394939 (1995-03-01), Walker
Messtopper Cone, Inc--"Flyer" Date: Before Appl. Invent.
Hasco Invironmental Safety Seal Liner Hasco Mfg., Co. Sapulpa Okla. Before Appl Invent.

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