Well completion system and process

Details Well completion system and process Well completion system and process

1983-05-11

1985-01-15

Novosad, Stephen J.

Wells

Processes

Cementing, plugging or consolidating

166242, E21B 3314

Patent

active

044933720

ABSTRACT:
Well completion system providing for an enhanced bond between a well casing and the surrounding cement sheath. The system comprises a string of casing disposed within a well extending to a subterranean location in the earth. A wrapping of a metal wire is disposed about the outer surface of the casing in a conformation providing a plurality of helical turns which crisscross on another. A cement sheath in the annulus about the casing encompasses the metal wire to provide an enhanced bond between the cement and the outer surface of the casing. The wire may be provided with a plurality of protrusion elements which extend into the cement sheath to further increase the casing cement bond.

REFERENCES:
patent: 3205945 (1965-09-01), Holt et al.
patent: 3255819 (1966-06-01), Scott et al.
patent: 3467193 (1969-09-01), Messenger
patent: 3982590 (1976-09-01), Harriman
"Sand-Coated Casing Aids Cement Jobs", The Oil and Gas Journal, Aug. 19, 1963.
"Rod Welded to Casing Helps Cementing" by Holt et al.; World Oil, Jul. 1964.

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