| 发明名称 |
FLUID PRESSURE TRANSMISSION PILL |
| 摘要 |
<p>A pill for wellbore operations, that includes a base fluid; and at least two polymers that interact to form a gelatinous structure characterized as isolating and controllably transmitting hydrostatic pressure between a first wellbore fluid above the pill in a wellbore and a second wellbore fluid below the pill in the wellbore is disclosed.</p> |
| 申请公布号 |
EP2142615(B1) |
申请公布日期 |
2014.06.11 |
| 申请号 |
EP20080745025 |
申请日期 |
2008.04.03 |
| 申请人 |
M-I LLC |
发明人 |
PREBENSEN, OLE IACOB;NORMAN, MONICA;FRIESTAD, ANNE-MARIE;RONAES, EGIL |
| 分类号 |
C09K8/502;C09K8/42;C09K8/508;E21B21/08;E21B33/16 |
主分类号 |
C09K8/502 |
| 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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