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USE OF SURFACE-ACTIVE ALPHA-SULFO-FATTY ACID DI-SALTS IN WATER- AND OIL-BASED DRILLING FLUIDS AND OTHER DRILL-HOLE TREATMENT AGENTS
USE OF SURFACE-ACTIVE ALPHA-SULFO-FATTY ACID DI-SALTS IN WATER- AND OIL-BASED DRILLING FLUIDS AND OTHER DRILL-HOLE TREATMENT AGENTS
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机译:在水基和油基钻井液及其他钻井孔处理剂中使用表面活性α-硫磺脂肪酸二盐
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摘要
DESCRIBED IS THE USE OF SURFACE-ACTIVE ALPHA-SULFO-FATTY ACID DI-SALT AS ECOLOGICALLY COMPATIBLE EMULSIFIERS OF THE W/O TYPE AND O/W TYPE, RESPECTIVELY, IN FLUID AND PUMPABLE DRILLING FLUIDS AND OTHER FLUID DRILLING-HOLE TREATMENT AGENTS WHICH COMPRISE A CONTINUOUS OR A DISPERSED OIL PHASE TOGETHER WITH AN AQUEOUS PHASE AND WHICH ARE SUITABLE FOR AN ENVIRONMENTALLY ACCEPTABLE EXPLOITATION OF GOELOGICAL RESOURCES, FOR EXAMPLE OIL OR NATURAL GAS DEPOSITS. THE INVENTION FURTHER RELATES TO INVERTED DRILLING FLUIDS BASED ON A CONTINUOUS OIL PHASE AND, PRESENT THEREIN, A DISPERSED AQUEOUS PHASE WHICH, IN ADDITION TO THE EMULSIFIERS, CONTAIN FURTHER CONVENTIONAL AUXILIARY AGENTS SUCH AS THICKENERS, FLUID-LOSS ADDITIVES, WEIGHTING AGENTS, WATER-SOLUBLE SALTS AND/OR ALKALI RESERVES, THE INVERTED DRILLING FLUIDS ACCORDING TO THE INVENTION ARE CHARACTERIZED IN THAT THEY CONTAIN SURFACE-ACTIVE DI-SALT OF THE TYPE INDICATED AS EMULSIFIER OR AS AN EMULSIFIER COMPONENT TOGETHER WITH AN ECOLOGICALLY COMPATIBLE CONTINUOUS OIL PHASE.
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