发明名称 COMPOSITION FOR USE IN CONDUCTING DOWNHOLE OPERATIONS IN OIL AND GAS WELLS
摘要 A composition for viscosifying a nonaqueous base liquid. The composition has glycerin carbonate and optionally an alkoxylated alcohol having the formula: wherein R is a linear or branched alkyl from 2 to 18 carbon atoms, or an aromatic radical having the structure: where R1 is a branched or linear alkyl having from 2 to 18 carbon atoms R2 is H or CH3 R3 is H or CH3 a is from 0 to 12 and b is from 1 to 12. The base liquid having greater than 20% naphthenics and about 10% to about 35% isoparaffins.
申请公布号 EP3022390(A4) 申请公布日期 2017.02.22
申请号 EP20140826402 申请日期 2014.07.18
申请人 Sasol Performance Chemicals GmbH 发明人 FERNANDEZ, Jorge, M.;JONES, Christian, W.
分类号 E21B43/16;C09K8/34;C09K8/502;C09K8/64;E21B33/13 主分类号 E21B43/16
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