发明名称 |
High temperature cement mud spacer |
摘要 |
A spacer composition for use in borehole cementing operations is disclosed which has excellent high temperature stability and compatability with cement slurries and drilling fluids. The spacer composition comprises a single phase water base system containing stabilized attapulgite clay.
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申请公布号 |
US4276182(A) |
申请公布日期 |
1981.06.30 |
申请号 |
US19790042898 |
申请日期 |
1979.05.29 |
申请人 |
THE WESTERN COMPANY OF NORTH AMERICA |
发明人 |
BEIRUTE, ROBERT M. |
分类号 |
C09K8/42;(IPC1-7):E21B33/16 |
主分类号 |
C09K8/42 |
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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