Sealed well cellar

Hydraulic and earth engineering – Fluid control – treatment – or containment

Reexamination Certificate

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Details

C166S075110, C166S081100

Reexamination Certificate

active

07637692

ABSTRACT:
A well cellar system includes a substantially planar base, the base defining an aperture sized to receive a conductor pipe. The well cellar system also includes at least one substantially inflexible side member attached to the base, the at least one side member and the base defining a cavity. A seal between the at least one side member and the base substantially prevents the flow of fluids between the at least one side member and the base. The attachment between the base and the conductor pipe substantially prevents the flow of fluids between the base and the conductor. The well cellar system of the present invention substantially eliminates contamination of soil and water sources adjacent the well site during its operation.

REFERENCES:
patent: 2482616 (1949-09-01), Gregory et al.
patent: 3202218 (1965-08-01), Watts et al.
patent: 3236308 (1966-02-01), Leake
patent: 4035023 (1977-07-01), Cockrell
patent: 4125164 (1978-11-01), Terry
patent: 4696599 (1987-09-01), Rakoczynski et al.
patent: 4842443 (1989-06-01), Argandona
patent: 5098220 (1992-03-01), Norman
patent: 5228506 (1993-07-01), Pearce
patent: RE35272 (1996-06-01), Mathieson et al.
patent: 2002/0182012 (2002-12-01), Rowe

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