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公开(公告)号:EP2142615B1
公开(公告)日:2014-06-11
申请号:EP08745025.0
申请日:2008-04-03
申请人: M-I LLC
CPC分类号: E21B33/124 , C09K8/00 , C09K8/426 , C09K8/502 , C09K8/508 , C09K2208/02 , E21B21/08 , E21B33/16
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公开(公告)号:EP2142615A1
公开(公告)日:2010-01-13
申请号:EP08745025.0
申请日:2008-04-03
申请人: M-I LLC
发明人: PREBENSEN, Ole, Iacob , NORMAN, Monica , FRIESTAD, Anne-Marie , RONAES, Egil , MIKALSEN, Renate
CPC分类号: E21B33/124 , C09K8/00 , C09K8/426 , C09K8/502 , C09K8/508 , C09K2208/02 , E21B21/08 , E21B33/16
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.
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