发明名称 |
SPOTTING FLUID FOR DIFFERENTIAL STICKING |
摘要 |
A new composition for a spotting fluid and a method of using such spotting fluid for freeing differential stuck pipe in a subterranean well drilling operation is disclosed. The composition comprises an invert water-in-oil emulsion comprising iso-butyl oleate as its external phase and glycerin as the internal phase. In an alternative embodiment, calcium chloride and water may be substituted for glycerin.
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申请公布号 |
US2002125013(A1) |
申请公布日期 |
2002.09.12 |
申请号 |
US20010758754 |
申请日期 |
2001.01.10 |
申请人 |
KERCHEVILLE JAMES D.;POBER KENNETH W. |
发明人 |
KERCHEVILLE JAMES D.;POBER KENNETH W. |
分类号 |
C09K8/02;C09K8/36;E21B31/03;(IPC1-7):E21B47/09 |
主分类号 |
C09K8/02 |
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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