Polymeric compositions and methods for use in low temperature we

Details Polymeric compositions and methods for use in low temperature we Polymeric compositions and methods for use in low temperature we

1997-05-07

1998-11-24

Morgan, Kriellion S.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

166294, 166295, C09K 700

Patent

active

058407847

ABSTRACT:
The present invention relates to improved methods and compositions for performing well completion or remedial procedures in subterranean zones having temperatures below about 70.degree. F. The methods basically comprise the steps of introducing into the zone an aqueous solution of a polymerizable monomer, a polymerization initiator and an oxygen scavenger comprised of stannous chloride. Thereafter, the polymerizable monomer is allowed to polymerize in the zone. The stannous chloride scavenges oxygen without generating free radicals and causing premature polymerization.

REFERENCES:
patent: 3334689 (1967-08-01), McLaughlin
patent: 3490533 (1970-01-01), McLaughlin
patent: 3727691 (1973-04-01), Muecke et al.
patent: 5335726 (1994-08-01), Rodrigues
patent: 5358051 (1994-10-01), Rodrigues

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