发明名称 PRECIPITATED WEIGHTING AGENTS FOR USE IN WELLBORE FLUIDS
摘要 A method of formulating a wellbore fluid that includes precipitating a weighting agent from a solution; and adding the precipitated weighting agent to a base fluid to form a wellbore fluid is disclosed. Fluids and methods of formulating wellbore fluids that contain dispersant coated precipitated weighting agents are also disclosed.
申请公布号 EP2066759(A2) 申请公布日期 2009.06.10
申请号 EP20070842243 申请日期 2007.09.11
申请人 M-I LLC 发明人 BALLARD, DAVID, ANTONY;MASSAM, JARROD
分类号 C09K8/03;C09K8/16;C09K8/32 主分类号 C09K8/03
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