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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 passed the bottle test. It passed the dose-response curve. Then it hit the field — and the water didn’t drop. If that sounds familiar, you’re not alone. In my line of work, “it worked in the lab” is one…
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…
The corrosion coupon came back. Weight loss: 0.5 mil per year. Well within spec. Inhibitor program signed off. Six months later, an ultrasonic inspection found a pit — 6 mm deep — on a section of pipe the coupon never…
Choosing the right emulsifieris crucial. It not only promotes emulsion formation, facilitating the formation of fine particles and improving emulsion stability, but also allows for control over the type of emulsion. 1. General principles for selecting emulsifiers Due to the…
This data comes from a third-party data platform and is reproduced in a friendly cooperative manner. Its purpose is to provide timely market data for the epoxy resin industry, facilitating understanding and monitoring of market dynamics. Copyright belongs to the…
Many people don’t understand what reverse demulsifiers are. There are many blind spots due to a lack of understanding of the principles of reverse demulsifiers and other related formulas. The term “reverse demulsifier” originates from the explanation of demulsifiers, which…
What are crude oil demulsifiers ? What are their characteristics? The mechanism of crude oil demulsifiers is a phase transfer-reverse deformation mechanism. After the addition of a demulsifier, a phase transition occurs, meaning it can generate a surfactant of the…
The commonly used nonionic demulsifiers in oil fields are mainly as follows: 1. SP type demulsifier The main component of SP-type demulsifier is polyoxyethylene polyoxypropylene octadecyl alcohol ether, with the theoretical structural formula R(PO)x(EO)y(PO)zH, where: EO – polyoxyethylene; PO –…
Because some solids are poorly soluble in water, when one or more of these solids are present in large quantities in an aqueous solution, they can exist in an emulsion state under hydraulic or external agitation, forming an emulsion. Theoretically,…