LOW-TOXICITY, POLYMERIZABLE AQUEOUS CONSOLIDATION COMPOSITIONS FOR USE IN SUBTERRANEAN FORMATION CONSOLIDATION TREATMENTS

摘要

Some embodiments herein described relate to method comprising: providing a portion of a subterranean formation comprising unconsolidated particulates; introducing a polymerizable aqueous consolidation composition into the portion of the subterranean formation so as to contact the unconsolidated particulates with the polymerizable aqueous consolidation composition, thereby creating coated, unconsolidated particulates; introducing a substantially solids-free, aqueous flush fluid into the portion of the subterranean formation so as to remove the polymerizable aqueous consolidation composition from interstitial spaces between the coated, unconsolidated particulates; introducing a water-soluble polymerization initiator composition into the portion of the subterranean formation so as to contact the coated, unconsolidated particulates; and consolidating the coated, unconsolidated particulates in the portion of the subterranean formation.

主权项

1. A method comprising:
providing a portion of a subterranean formation comprising unconsolidated particulates; introducing a polymerizable aqueous consolidation composition into the portion of the subterranean formation so as to contact the unconsolidated particulates with the polymerizable aqueous consolidation composition, thereby creating coated, unconsolidated particulates;
wherein the polymerizable aqueous consolidation composition comprises:
an aqueous base fluid,a polyvalent metal salt of a carboxylic acid (R—COOH) wherein R is a polymerizable olefinically unsaturated functional group, andoptionally at least one polymerization agent selected from the group consisting of: an amine; an amino alcohol; and any combination thereof;
introducing a substantially solids-free, aqueous flush fluid into the portion of the subterranean formation so as to remove the polymerizable aqueous consolidation composition from interstitial spaces between the coated, unconsolidated particulates; introducing a water-soluble polymerization initiator composition into the portion of the subterranean formation so as to contact the coated, unconsolidated particulates,
wherein the water-soluble polymerization initiator composition comprises:
an aqueous base fluid, anda water-soluble polymerization initiator; and consolidating the coated, unconsolidated particulates in the portion of the subterranean formation.