发明名称 |
A HIGH-TEMPERATURE HIGH-PRESSURE (HTHP) STABLE SYNTHETIC POLYMER FOR WATER BASED OIL-WELL SERVICING FLUIDS |
摘要 |
Stable water based High-Temperature-High-Pressure (HTHP) and/or Non-HTHP crosslinked copolymers for oil and gas applications consist of (i) a crosslinked, linear polyvinyl amide/polymerizable carboxylic acid) copolymer, having a composition, by weight, of 25-75 wt. % of a vinyl amide monomer selected from vinyl pyrrolidone, vinyl caprolactam, N-vinyl-N-methylacetamide and mixtures thereof, and 25-75 wt. % of a polymerizable carboxylic acid monomer selected from acrylic acid, (meth)acrylic acid, crotonic acid, itaconic acid, maleic acid and mixture thereof; and (ii) a crosslinker in an amount of 0.01-5% based on weight of total monomers. Also discloses relevant compositions comprising said copolymer and method of use thereof. |
申请公布号 |
US2016272868(A1) |
申请公布日期 |
2016.09.22 |
申请号 |
US201414911114 |
申请日期 |
2014.04.28 |
申请人 |
ISP INVESTMENTS INC. |
发明人 |
WANG Janice Jianzhao;MELBOUCI Mohand;LYNN Jeffrey;LEI Cuiyue;MUSA Osama M. |
分类号 |
C09K8/12;C09K8/035;C08F226/10 |
主分类号 |
C09K8/12 |
代理机构 |
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代理人 |
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主权项 |
1. A stable water based High-Temperature-High-Pressure (HTHP) and/or Non-HTHP copolymer for oil and gas applications consisting of (i) a crosslinked, linear poly(vinyl amide/polymerizable carboxylic acid) copolymer, having a composition, by weight, of 25-75 wt. % of a vinyl amide monomer selected from vinyl pyrrolidone, vinyl caprolactam, N-vinyl-N-methylacetamide and mixtures thereof, and 25-75 wt. % of a polymerizable carboxylic acid monomer selected from acrylic acid, (meth)acrylic acid, crotonic acid, itaconic acid, maleic acid and mixture thereof; and (ii) a crosslinker in an amount of 0.01-5% based on weight of total monomers. |
地址 |
Wilmington DE US |