发明名称 |
THINNERS FOR INVERT EMULSIONS |
摘要 |
A method of reducing the viscosity of oil-based drilling fluids and well service fluids at low temperatures and a thinner compound for use in such drilling fluids and well service fluids is disclosed. The method comprises adding to said drilling fluids or well service fluids a thinner having the formula: R-(C2H4O)n(C3H6O)m(C4H8O)k-H where R is a saturated or unsaturated, linear or branched alkyl radical having about 8 to about 24 carbon atoms, n is a number ranging from about 1 to about 10, m is a number ranging from about 0 to about 10, and k is a number ranging from about 0 to about 10.
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申请公布号 |
CA2433586(A1) |
申请公布日期 |
2002.07.11 |
申请号 |
CA20002433586 |
申请日期 |
2000.12.29 |
申请人 |
HALLIBURTON ENERGY SERVICES, INC.;COGNIS DEUTSCHLAND GMBH & CO. KG |
发明人 |
KIRSNER, JEFFREY P.;BURROWS, KIMBERLY;MULLER, HEINZ |
分类号 |
C09K8/36;(IPC1-7):C09K7/06;E21B33/13 |
主分类号 |
C09K8/36 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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