发明名称 Drilling Fluid for Enhanced Rate of Penetration
摘要 A drilling fluid is provided which results in an enhanced rate of penetration, and more particularly, a drilling mud composition is provided with a reduced ester content which maintains an enhanced rate of penetration.
申请公布号 US2012071368(A1) 申请公布日期 2012.03.22
申请号 US201113095811 申请日期 2011.04.27
申请人 FEFER MICHAEL;SUNCOR ENERGY INC. 发明人 FEFER MICHAEL
分类号 C09K8/035 主分类号 C09K8/035
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