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    • 2. 发明申请
    • METALLIC SOAPS OF MODIFIED TALL OIL ACIDS
    • 改性沥青油的金属粘土
    • WO2006079778A1
    • 2006-08-03
    • PCT/GB2006/000056
    • 2006-01-09
    • HALLIBURTON ENERGY SERVICES, INC.CURTIS, Philip, AnthonyMILLER, Jeffrey, J.
    • MILLER, Jeffrey, J.
    • C09K8/32C09K8/36
    • C09K8/36C09K8/32
    • A method and product is disclosed which provides emulsion stability and filtration control to invert emulsion drilling fluids. The product comprises a blend of a carboxylic acid terminated polyamide with distilled and processed tall oil fatty acids and/or distilled and processed tall oil resin acids. The product is extremely effective, even at temperatures as high as 35O 0 F, decreasing by about two-thirds the amount of emulsifÊer generally required to formulate an effective drilling fluid. The product also greatly reduces and in many cases eliminates the need for conventional fluid loss additives, and additionally provides electrical stability. Moreover, the product has a pour point as low as about 20 degrees Fahrenheit with minimal solvents, thereby eliminating the need to ship large amounts of inert material for use, and may be transported in a highly active state.
    • 公开了一种提供乳化稳定性和过滤控制以反转乳液钻井液的方法和产品。 该产品包括羧酸封端的聚酰胺与蒸馏和加工的妥尔油脂肪酸和/或蒸馏和加工的妥尔油树脂酸的共混物。 即使在高达350°F的温度下,该产品也是非常有效的,通常减少配制有效钻井液通常需要的乳化剂的三分之二。 该产品还大大降低,并且在许多情况下不需要常规的流体损失添加剂,并且还提供电稳定性。 此外,该产品的溶剂倾点低至约20华氏度,因此不需要运送大量的惰性物质使用,并且可以以高活性状态运输。
    • 4. 发明申请
    • DRILLING FLUIDS CONTAINING BIODEGRADABLE ORGANOPHILIC CLAY
    • 含有生物可降解有机粘土的钻井液
    • WO2006079775A1
    • 2006-08-03
    • PCT/GB2006/000049
    • 2006-01-09
    • HALLIBURTON ENERGY SERVICES, INCCURTIS, Philip, AnthonyMILLER, Jeffrey, J.
    • MILLER, Jeffrey, J.
    • C09K8/14C09K8/36
    • C09K8/36C09K8/145
    • Drilling fluids are provided that comprise an organophilic clay treated with a quaternary ammonium surfactant having an amide linkage. The quaternary ammonium surfactant may comprise a compound generally represented by formula (I); where M" is an anion such as a chloride, methyl sulfate, bromide, acetate, or iodide ion; R 1 is an alkyl group such as a saturated hydrocarbon with 10 or more carbons; R 2 , R 3 , and R 4 are the same or different alkyl groups such as a methyl, ethyl, or benzyl group, and x is greater than or equal to 1. The organophilic clay treated in this manner is substantially biodegradable. In embodiments, the drilling fluids comprise the foregoing organophilic clay, an oil-based fluid and a weighting agent. In still more embodiments, the drilling fluids comprise the foregoing organophilic clay, an invert emulsion, an emulsifier, and a weighting agent.
    • 提供钻井液,其包含用具有酰胺键的季铵表面活性剂处理的亲有机物质粘土。 季铵表面活性剂可以包含通常由式(I)表示的化合物; 其中M“是阴离子如氯化物,甲基硫酸盐,溴化物,乙酸盐或碘离子; R 1是烷基,例如具有10个或更多个碳的饱和烃; R 1, R 2,R 3和R 4是相同或不同的烷基,例如甲基,乙基或苄基,x大于或 以这种方式处理的亲有机质的粘土基本上是可生物降解的,在实施方案中,钻井流体包括上述亲有机粘土,油基流体和加重剂。在更多实施方案中,钻井液包含上述亲有机质的粘土 ,反相乳液,乳化剂和加重剂。