Membrane liner for casinghead of oil well of the like

Details Membrane liner for casinghead of oil well of the like Membrane liner for casinghead of oil well of the like

1990-10-22

1992-03-24

Corbin, David H.

Hydraulic and earth engineering

Fluid control, treatment, or containment

166 81, 405 53, 405270, E02D 300, B65G 500

Patent

active

050982206

ABSTRACT:
A covering or liner, capable of surrounding the base of a casinghead of an oil well, which is capable of catching and retaining any fluid that may escape from the casinghead. This covering or liner is a flexible, inextensible, fluid impervious material that is capable of bordering an earthen cavity and surrounding the casinghead of an oil well. This covering or liner has a leak-proof seam to facilitate its installation around the casinghead and a collar to prevent seepage down the casinghead shaft. This invention further contemplates the method for using the same.

REFERENCES:
patent: 3940940 (1976-03-01), Barrett
patent: 4665976 (1987-05-01), Retherford
patent: 4673034 (1987-06-01), Hansen
patent: 4765775 (1988-08-01), Kroger
patent: 4802792 (1989-02-01), Flessas
patent: 4818151 (1989-04-01), Moreland
patent: 4960346 (1990-10-01), Tamayo

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