Plugging an abandoned well with a polymer gel

Details Plugging an abandoned well with a polymer gel Plugging an abandoned well with a polymer gel

E - Fixed Constructions

21

B

166/17, 31/8

E21B 43/22 (2006.01) C09K 8/44 (2006.01) C09K 8/512 (2006.01) E21B 33/138 (2006.01)

Patent

CA 1285133

PLUGGING AN ABANDONED WELL WITH A POLYMER GEL ABSTRACT An abandoned well penetrating a subterranean formation is plugged using a gel comprising a high molecular weight, water-soluble carboxylate-containing polymer and a chromic carboxylate complex cross- linking agent. The gel components are combined at the surface and in- jected into the wellbore to form a continuous single-phase gel therein.

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