SYNTHETIC CROSSLINKED POLYMER ADDITIVE FOR USE IN SUBTERRANEAN TREATMENT FLUIDS

    公开(公告)号:US20170306209A1

    公开(公告)日:2017-10-26

    申请号:US15507826

    申请日:2014-10-01

    发明人: Weibin Zha Hui Zhou

    摘要: Crosslinked polymer additives that may be used as thinners and/or deflocculants in subterranean treatment fluids are provided. In one embodiment, the methods comprise: providing a treatment fluid comprising an aqueous base fluid, a viscosifying agent, and a crosslinked synthetic polymer that comprises a copolymer of at least a first monomer comprising 2-acrylamido-2-methylpropane sulfonic acid or any salt thereof, and a second monomer comprising an N-vinyl amide, and at least one crosslinking agent, wherein the average molecular weight of the crosslinked synthetic polymer is less than about 3,000,000 grams per mole; and introducing the treatment fluid into at least a portion of a well bore penetrating at least a portion of a subterranean formation.