发明名称 DISPERSANT COATED WEIGHTING AGENTS
摘要 A method of formulating a wellbore fluid that includes providing a base fluid; and adding a sized weighting agent coated with a dispersant made by the method of dry blending a weighting agent and a dispersant to form a sized weighting agent coated with the dispersant is disclosed.
申请公布号 CA2661918(C) 申请公布日期 2012.01.10
申请号 CA20072661918 申请日期 2007.06.15
申请人 M-I LLC 发明人 MASSAM, JARROD
分类号 C09K8/03 主分类号 C09K8/03
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