There is a growing demand for combined Corrosion Inhibitors (CI) and mineral Scale Inhibitors (SI) for the oil and gas production industry. The products are convenient when logistics is an issue and there is only one injection point. Developing these types of products can sometimes be complicated due to the potential incompatibility of cationic film forming corrosion inhibitors (like fatty amines) and anionic scale inhibitors (such as phosphonates or polymers). Thanks to 10 years of continuous research and development, a full range of combined CI and SI products has been developed with specific properties to match the various field requirements. Special combined CI and SI were tailor made for field applications to have specific properties like thermal stability, low emulsion tendency, low viscosity for down-hole injection, increased CI film persistency, increased barium sulfate inhibition and compatibility of the neat chemical with carbon steel. Laboratory experiments were conducted to demonstrate the mentioned properties. In addition, the positive feedback from years of industrial field application has validated the product performance.

Subject
Water, Inhibitor performance, Corrosion rate, Emulsions, Tubes, Scale inhibitors, Film persistency, Corrosion scales, Bubbling, Scale formation, Corrosion inhibitors, Carbon steel, Oil
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2019
Association for Materials Protection and Performance (AMPP)
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