Sealed well cellar

Details Sealed well cellar Sealed well cellar

2011-08-02

2011-08-02

Thompson, Kenneth (Department: 3672)

Wells

Above ground apparatus

External anchoring or bracing means

C166S081100, C166S075110, C166S381000, C405S229000, C220S484000, C052S220800, C052S302100

Reexamination Certificate

active

07987904

ABSTRACT:
A well cellar system includes a substantially planar base plate, the base defining an aperture sized to receive a conductor pipe. The planar base plate is an integral structural member which, in conjunction with the seal between the base plate and the wall and the riser and the conductor, are sufficiently robust to support the weight of the conductor pipe and its auxiliary equipment. The sealed well cellar is afforded with a laterally extending flange which serves as an anti-buoyancy anchor. A anti-buoyancy port allows the upward floatation pressure to be balanced out by water pressure within the cellar during placement to avoid floatation. A sacrificial anode housing is provided with a removable lid and holes for allowing passage of electrolyte. Although the preferred embodiments of sealed well cellars are metal and plastic, a cementaceous embodiment is also envisioned.

REFERENCES:
patent: 4125164 (1978-11-01), Terry
patent: 4335740 (1982-06-01), Boley
patent: 5535556 (1996-07-01), Hughes, Jr.
patent: 2007/0031190 (2007-02-01), Meyers

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