Packer with chemically activated sealing member and method of us

Wells – Processes – Cementing – plugging or consolidating

Patent

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Details

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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