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公开(公告)号：US11820941B2
公开(公告)日：2023-11-21
申请号：US17943073
申请日：2022-09-12
Applicant: SOLVAY USA INC.
Inventor： Qing Wang , Genyao Lin , Zhihua Zhang , Fulya Sudur Zalluhoglu
CPC classification number: C09K8/604 , C09K8/68 , E21B43/26 , C09K2208/28
Abstract: A polymer dispersion includes a water-soluble copolymer prepared by controlled radical polymerization; a water soluble salt; a polyol; a salt selected from the group consisting of sodium citrate, sodium phosphate, sodium nitrate, and combinations thereof; and water. Methods for using the polymer dispersion for oilfield friction reduction occur under a variety of adverse conditions including low temperatures, salt, scale, and iron.
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公开(公告)号：US11441066B2
公开(公告)日：2022-09-13
申请号：US17099955
申请日：2020-11-17
Applicant: SOLVAY USA INC.
Inventor： Qing Wang , Genyao Lin , Zhihua Zhang , Fulya Sudur Zalluhoglu
Abstract: A polymer dispersion includes a water-soluble copolymer prepared by controlled radical polymerization; a water soluble salt; a polyol; a salt selected from the group consisting of sodium citrate, sodium phosphate, sodium nitrate, and combinations thereof; and water. Methods for using the polymer dispersion for oilfield friction reduction occur under a variety of adverse conditions including low temperatures, salt, scale, and iron.
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公开(公告)号：US20230017258A1
公开(公告)日：2023-01-19
申请号：US17943073
申请日：2022-09-12
Applicant: SOLVAY USA INC.
Inventor： Qing Wang , Genyao Lin , Zhihua Zhang , Fulya Sudur Zalluhoglu
Abstract: A polymer dispersion includes a water-soluble copolymer prepared by controlled radical polymerization; a water soluble salt; a polyol; a salt selected from the group consisting of sodium citrate, sodium phosphate, sodium nitrate, and combinations thereof; and water. Methods for using the polymer dispersion for oilfield friction reduction occur under a variety of adverse conditions including low temperatures, salt, scale, and iron.
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