发明名称 |
VISCOELASTIC SEPARATOR OF WELLBORE FLUIDS IN WELL BORE |
摘要 |
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. |
申请公布号 |
EA019455(B1) |
申请公布日期 |
2014.03.31 |
申请号 |
EA20090070917 |
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 |
C09K8/52;C09K8/50 |
主分类号 |
C09K8/52 |
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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