Packer with chemically activated sealing member and method of us

Details Packer with chemically activated sealing member and method of us Packer with chemically activated sealing member and method of us

1977-04-20

1979-02-06

Novosad, Stephen J.

Wells

Processes

Cementing, plugging or consolidating

166179, 166315, 166294, E21B 3312, E21F 1600

Patent

active

041379705

ABSTRACT:
A tool, e.g., a well packer, for restricting the flow of fluid through an annulus defined by the interior walls of a fluid conduit, e.g., well casing, and the exterior of a tubular member, e.g., the packer mandrel, is disclosed. The novelty of the present invention lies in the deformable packer element of such a tool, wherein in lieu of rubber, a chemically activated material which expands upon contact with fluid in the conduit is employed to effect the desired seal. A method of using such a tool is also disclosed.

REFERENCES:
patent: 747321 (1903-12-01), Heeter
patent: 1855914 (1932-04-01), Hux
patent: 2942668 (1960-06-01), Maly et al.
patent: 2945541 (1960-07-01), Maly et al.
patent: 3385367 (1968-05-01), Kollsman
patent: 3502149 (1970-03-01), Pence, Jr.
"Dowell Chemical Seal Ring and Dowell Chemical Seal Ring Gasket", Technical Report, Dowell Div. of The Dow Chemical Company, Form #DWL 1627-6M-868, Tulsa, Okla., (1964) 20 pages.

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