发明名称 |
Use of selected ester oils in drilling fluids and muds |
摘要 |
Invert emulsion muds for drilling of gas and oil, which are environmentally safe, and which contain: A. a continuous oil phase composed predominantly of at least one monocarboxylic acid ester of a C2-C12 monofunctional alkalol wherein the monocarboxylic acid contains from 16 to 24 carbon atoms and is olefinically mono- or poly-unsaturated, B. a disperse aqueous phase, C. at least one emulsifier, D. at least one weighing agent, E. at least one fluid loss additive, and F. a mild alkaline reserve.
|
申请公布号 |
USRE36066(E) |
申请公布日期 |
1999.01.26 |
申请号 |
US19950506458 |
申请日期 |
1995.08.01 |
申请人 |
HENKEL KGAA;BAROID LIMITED |
发明人 |
MUELLER, HEINZ;HEROLD, CLAUS-PETER;VON TAPAVICZA, STEPHAN;GRIMES, DOUGLAS J.;BRAUN, JEAN-MARC;SMITH, STUART P. T. |
分类号 |
C09K8/34;(IPC1-7):C09K7/02 |
主分类号 |
C09K8/34 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|