公开(公告)号：WO2020190423A1

公开(公告)日：2020-09-24

申请号：PCT/US2020/017721

申请日：2020-02-11

申请人： BAKER HUGHES OILFIELD OPERATIONS LLC

发明人： KUMAR, Deepak ,  SADANA, Anil ,  JOHNSON, Michael

IPC分类号： E21B34/10 ,  E21B23/01 ,  E21B43/16

摘要： A method for operating in a borehole comprises disposing in a downhole environment a system comprising a tubular having a passage and a first restriction positioned inside the tubular; engaging a restrictor with the first restriction to block the passage; injecting a treatment fluid into the tubular, the treatment fluid comprising an invert emulsion, a carboxylic acid ester, or a combination comprising at least one of the foregoing; and degrading and removing the first restriction.