Well completion system and process

Details Well completion system and process Well completion system and process

1983-05-11

1985-01-29

Novosad, Stephen J.

Wells

Processes

Cementing, plugging or consolidating

166242, E21B 3314

Patent

active

044959974

ABSTRACT:
Well completion system providing for an enhanced bond between a well casing and the surrounding cement sheath. The system comprises a casing string disposed within a well extending to a subterranean location within the earth's crust. A metal ribbon is disposed about the outer surface of the casing to provide a wrapping having a series of helical turns along the length of the casing. A cement sheath in the annulus about the casing encompasses the wrapping and enters into openings therein to provide a bond between the cement and the outer surface of the casing. The metal ribbon may take the form of an expanded metal ribbon having a staggered mesh structure so that a portion of the ribbon stands off from the surface of the casing.

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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