发明名称 |
Reduced friction pressure gravel pack slurry |
摘要 |
The invention adds a friction reducing agent or agents to gravel slurry to decrease pressure required for proper fluid velocities so as to obtain the desired gravel propagation in an annular space around a screen assembly.
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申请公布号 |
US2008185146(A1) |
申请公布日期 |
2008.08.07 |
申请号 |
US20070701930 |
申请日期 |
2007.02.02 |
申请人 |
BAYCROFT PERRY D;GABRYSCH ALLEN D;MCELFRESH PAUL M;RATTERMAN EUGENE E |
发明人 |
BAYCROFT PERRY D.;GABRYSCH ALLEN D.;MCELFRESH PAUL M.;RATTERMAN EUGENE E. |
分类号 |
E21B43/04 |
主分类号 |
E21B43/04 |
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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