发明名称 |
LOW CONDUCTIVITY WATER BASED WELLBORE FLUID |
摘要 |
A low electrical conductivity water-based wellbore fluid for use in drilling wells through a formation containing a clay which swells in the presence of water, said wellbore fluid that includes an aqueous base fluid; and a polymeric non-ionic tertiary amine is disclosed. Methods of using such fluids are also disclosed.
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申请公布号 |
CA2727093(C) |
申请公布日期 |
2012.10.23 |
申请号 |
CA20092727093 |
申请日期 |
2009.06.03 |
申请人 |
M-I L.L.C. |
发明人 |
PATEL, ARVIND D.;STAMATAKIS, EMANUEL |
分类号 |
C09K8/12;E21B21/06 |
主分类号 |
C09K8/12 |
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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