发明名称 DOWNHOLE DRILLING COMPOSITIONS AND METHODS OF PREPARATION
摘要 The invention provides a method of altering the properties of a drilling fluid by adding effective amounts of crushed or whole oilseeds or mixtures of crushed whole oilseeds to a drilling fluid. The crushed or whole oilseeds or mixture of crushed or whole oilseeds are selected to impart any one of or a combination of effects including but not limited to: an increase in drilling fluid emulsion stability in oil-based or invert emulsion fluids, decreased specific gravity of the drilling fluid, seepage loss control, filtration control, oil wetting and deflocculation/dispersion, of entrained solids and/or reduced torque and drag of the drilling string.
申请公布号 CA2614516(A1) 申请公布日期 2007.01.25
申请号 CA20062614516 申请日期 2006.07.17
申请人 CONCORD DRILLING FLUIDS LTD. 发明人 POMERLEAU, DANIEL GUY
分类号 E21B21/06;C09K8/34 主分类号 E21B21/06
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