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USE OF SELECTED DIESTER OILS AS DRILLING FLUIDS, IN PARTICULAR FOR EXPLOITING OFF-SHORE PETROLEUM OR NATURAL GAS DEPOSITS (II)
USE OF SELECTED DIESTER OILS AS DRILLING FLUIDS, IN PARTICULAR FOR EXPLOITING OFF-SHORE PETROLEUM OR NATURAL GAS DEPOSITS (II)
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机译:使用选定的柴油作为钻井液,特别是勘探离岸石油或天然气沉积物(II)
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摘要
Use of selected esters of monofunctional alcohols with 2 to 12, in particular 4 to 12, C atoms and aliphatically saturated monocarboxylic acids with 12 to 16 C atoms, which are fluid and pumpable in the temperature range of 0 to 5 DEG C, as the oil phase of invert drilling sludges, suitable for non-polluting exploitation of off-shore petroleum or natural gas deposits, and containing, in a closed oil phase, a disperse aqueous phase together with emulsifiers, loading agents, fluid-loss additives and, if necessary, other usual additives.
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