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1.发明申请公开(公告)号：US20220275267A1
公开(公告)日：2022-09-01
申请号：US17629039
申请日：2019-07-23
Applicant: RHODIA OPERATIONS
Inventor： Chee Fei Chin , Zhihua Zhang , Zhenxing Cheng , Ahmed Rabie , Hoang Van Le
IPC: C09K8/508 , C09K8/504 , C08F120/56
Abstract: Provided are methods for modifying the permeability of subterranean formations for the purposes of selectively reducing excessive production of water and aqueous fluids in oil and gas wells, wherein the methods utilize an emulsion containing a copolymer, which is typically prepared in an aqueous salt media.
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