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A field engineer once asked me: “This demulsifier works perfectly on our heavy crude in Latin America. Why would it struggle at a facility in the Middle East?” Because crude is not a product. It is a fingerprint — and…
It’s late afternoon at a separator. BS&W is creeping up. The operator’s first instinct — raise the demulsifier pump stroke. More chemical, faster separation. Right? Wrong. More often than not, that instinct makes the emulsion stronger. The curve nobody drew…
Abstract: Treating oily wastewater from oilfields to meet the water quality standards for injection water or effluent discharge is crucial to preventing environmental pollution incidents. For heavily emulsified oily wastewater, the optimal demulsifier should be selected for demulsification and purification.…
1.1 Definition and importance Demulsifiers are a class of chemicals used to destroy emulsions, especially oil-in-water emulsions. In the petroleum industry, the presence of emulsions can adversely affect production processes and equipment, such as increasing transmission resistance, clogging equipment, and…
Abstract Demulsifier is a kind of chemical used to destroy the stability of emulsion, which is widely used in petroleum industry, wastewater treatment, food industry, pharmaceutical and other fields. In this paper, the classification, mechanism of action, application fields, influencing…
Why is oil-water emulsion formed in the process of oil and gas gathering and transportation? The formation of oil-water emulsion requires the following basic conditions: (1) There must be oil and water medium in the system. (2) There must be…
Introduction: Petroleum demulsifiers play a critical role in oilfield development and petroleum production. As a specialized surfactant, demulsifiers have the ability to disperse emulsions, break the emulsion phase, and enhance oil recovery. This blog aims to explore the working principles,…