WASTE VEGETABLE OIL-BASED EMULSIFIER FOR INVERT EMULSION DRILLING FLUID
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机译:用于反乳化钻井液的废物蔬菜油基乳化剂
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摘要
A waste vegetable-oil based emulsifier for use as drilling mud primary emulsifier is described. A first emulsifier is prepared from an alkyl ester of waste vegetable oil. The waste vegetable oil is vegetable oil which has been used for a process prior to preparing the first emulsifier. A quantity of the first emulsifier is added to an oil-based drilling fluid. A quantity of an activating agent is added to the oil-based drilling fluid. The activating agent is configured to activate the emulsifier to stabilize an emulsion. A quantity of viscosifier is added to the oil-based drilling fluid. A quantity of a second emulsifier is added to the oil-based drilling fluid. A quantity of weigh-up material is added to the oil-based drilling fluid. The resulting oil-based drilling fluid is used in a wellbore drilling operation to drill a wellbore in a subterranean zone.
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