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 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|