发明名称 |
ALKYL POLYGLYCOSIDE DERIVATIVE AS BIODEGRADABLE SPACER SURFACTANT |
摘要 |
<p>A spacer fluid comprising: (a) water; and (b) an alkyl polyglycoside derivative, wherein the alkyl polyglycoside derivative is selected from the group consisting of sorbitan fatty acids; functionalized sulfonates, functionalized betaines, an inorganic salt of any of the foregoing, and any combination of any of the foregoing. Preferably, the spacer fluid additionally comprises a solid particulate, such as a weighting agent. A method of displacing an oil-based drilling mud from a portion of a well comprising the steps of: (A) forming the spacer fluid; and (B) introducing the spacer fluid into the well.</p> |
申请公布号 |
EP2964720(A1) |
申请公布日期 |
2016.01.13 |
申请号 |
EP20140760812 |
申请日期 |
2014.01.16 |
申请人 |
HALLIBURTON ENERGY SERVICES, INC. |
发明人 |
MUTHUSAMY, RAMESH;DESHPANDE, ABHIMANYU PRAMOD;PATIL, RAHUL CHANDRAKANT;PATIL, SANDIP PRBHAKAR |
分类号 |
C09K8/40;E21B43/22 |
主分类号 |
C09K8/40 |
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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