发明名称 |
Method of downhole fluid separation and displacement and a plug utilized therein |
摘要 |
A method of downhole fluid displacement and a plug utilized in the method according to which the plug is inserted in a pipe between two fluids for separating and displacing one of the fluids. The plug has a specific gravity of less than the fluid above it, so that, after the displacement operation, the plug floats to the top of the latter fluid for recovery.
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申请公布号 |
US6554068(B1) |
申请公布日期 |
2003.04.29 |
申请号 |
US20020058700 |
申请日期 |
2002.01.29 |
申请人 |
HALLIBURTON ENERGY SERVICE,S INC. |
发明人 |
CHATTERJI JITEN;REDDY B. RAGHAVA;ZAMORA FRANK;CROMWELL ROGER S |
分类号 |
E21B33/16;(IPC1-7):E21B33/12;E21B33/13 |
主分类号 |
E21B33/16 |
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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