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    • 34. 发明申请
    • Invertible well bore servicing fluid
    • 可逆井眼维修液
    • US20060079407A1
    • 2006-04-13
    • US11283009
    • 2005-11-18
    • Carl ThaemlitzRobert TaylorRyan Foster
    • Carl ThaemlitzRobert TaylorRyan Foster
    • C09K8/36E21B43/00
    • C09K8/36C09K8/26
    • A method for using an invert emulsion fluid in a well bore, comprising placing an invert emulsion fluid in a well bore, wherein the invert emulsion fluid comprises an oleaginous fluid, a non-oleaginous fluid and an emulsifier comprising one or more amines generally represented by the formula: wherein R is a radical selected from the group consisting of abietyl, hydroabietyl, dihydroabietyl, tetrahydroabietyl, and dehydroabietyl, each R′ may be the same or different and is an alkyl having from about 1 to about 3 carbons, each A may be the same or different and is NH or O, and the sum of x and y ranges from about 1 to about 20, and contacting the invert emulsion fluid with an acid solution to reversibly convert the invert emulsion to an oil-in-water emulsion.
    • 一种在井眼中使用反相乳液的方法,包括将井内乳液流体置于井眼中,其中所述反相乳液包括含油液体,非油质流体和包含一种或多种胺的乳化剂,所述胺通常由 下式:其中R是选自下列基团的基团:新戊基,氢化双酚基,二氢松香基,四氢松香基和脱氢松香基,每个R'可以相同或不同,为具有约1至约3个碳的烷基,每个A可以 相同或不同,为NH或O,x和y的总和范围为约1至约20,并使反相乳液与酸溶液接触以将反相乳液可逆转化为水包油乳液 。