E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 33/13 (2006.01) C09K 8/512 (2006.01) E21B 33/05 (2006.01)
Patent
CA 2236734
The present invention relates to improved methods and compositions for performing well completion or remedial procedures in subterranean zones having temperatures below about 70°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.
Frost Keith A.
Funkhouser Gary P.
Halliburton Energy Services Inc.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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