Well completion system and process

Details Well completion system and process Well completion system and process

E - Fixed Constructions

21

B

166/17

E21B 43/10 (2006.01) E21B 17/00 (2006.01) E21B 33/14 (2006.01)

Patent

CA 1210318

- 16 - 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 ribon having a staggered mesh structure so that a portion of the ribbon stands off from the surface of the casing.

453881

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