Downhole steam packing

Details Downhole steam packing Downhole steam packing

1983-07-15

1985-10-22

Novosad, Stephen J.

Wells

Packers or plugs

With expanding anchor

166217, 166387, 285376, 277123, 277234, 277DIG6, E21B 33128

Patent

active

045482659

ABSTRACT:
A steam or thermal packer for use in subterranean wells having an integral expansion joint is disclosed. The packer has a multi-component, nonresilient, nonenergizing packing element, as well as a multi-component, nonenergizing, nonresilient sealing element engaging the expansion joint. Energy is stored in elements of the packer housing and in the dynamic seal assembly to maintain the sealing integrity establishing by the nonresilient sealing elements.

REFERENCES:
patent: 1915100 (1933-06-01), McLaughlin
patent: 3392783 (1968-07-01), Reed
patent: 4281840 (1981-08-01), Harris
patent: 4296806 (1981-10-01), Taylor et al.
patent: 4328974 (1982-05-01), White et al.
patent: 4350346 (1982-09-01), Fowler
patent: 4441721 (1984-04-01), Harris et al.

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