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公开(公告)号:US20170137698A1
公开(公告)日:2017-05-18
申请号:US15289751
申请日:2016-10-10
Applicant: Lubrizol Oilfield Solutions, Inc.
Inventor: Sarkis R. Kakadjian , Gabriel Monreal , Roy Perez , Joseph E. Thompson , Frank Zamora
CPC classification number: C09K8/64 , C09K8/32 , C09K8/34 , C09K8/80 , C09K8/82 , E21B21/00 , E21B43/26 , E21B43/267
Abstract: Methods using a downhole fluid including a winterizing composition including a winterizing agents of a compound of general formula Z(R1)m, where Z is a polyol having between 5 and 30 carbon atoms, R1 is a carbyl group having between about 10 and about 40 carbon atoms, and where m is an integer having the value of 1 or 2, when m is 2, R1 can be the same or different and one or more carbon atoms of R1 can be replaced by B, N, O, Si, P, S, Ge and/or mixtures thereof and one or more of the hydrogen atoms in R1 can be replaced by F, Cl, Br, I, CONR22, COOR2, OR2, NR22 SR2, PR22 and/or mixtures thereof and where R2 can be a hydrogen atom, alkyl, aryl, alkylaryl or arylalkyl group having between 1-20 carbon atoms where one or more carbon or hydrogen atoms can be replaced as set forth for R1.