发明名称 |
DISPERSIVE RISERLESS DRILLING FLUID |
摘要 |
A method for drilling riserless that includes providing a drilling fluid to a drilling assembly for drilling a borehole on a seafloor, the drilling assembly comprising a drill string and a bottomhole assembly, and wherein the drilling fluid includes a brine, and a non-hydratable clay, wherein the drilling fluid is substantially free of hydrating clays, and flowing the drilling fluid and cuttings through an annulus formed by the drill string and the borehole into sea water is disclosed. |
申请公布号 |
EP2007970(A4) |
申请公布日期 |
2014.11.12 |
申请号 |
EP20070760926 |
申请日期 |
2007.04.19 |
申请人 |
M-I LLC |
发明人 |
JONES, DOUG;RAY, RANDY;FORRESTER, JAY |
分类号 |
E21B43/00;C09K8/14;E21B7/128;E21B21/00;E21B43/11 |
主分类号 |
E21B43/00 |
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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