This paper presents several high-performance, broad-shear-range corrosion inhibitors for sweet conditions which exhibit excellent cold temperature stability and low emulsion tendencies. The laboratory tests demonstrate the product’s excellent corrosion inhibition properties amid high-and low-shear conditions. A pitting analysis utilizing profilometry revealed the products superior capability for inhibiting pitting compared to standard high-shear inhibitors. The paper also presents the product’s temperature stability, and emulsion tendency. The results demonstrate the product is an excellent candidate for oil and gas production at cold temperatures that are exposed to fluids with high and low velocities and mixed with CO2 gas.

Subject
Pits, Stability, Water, Viscosity, Corrosion rate, Emulsions, Autoclaves, Fluids, Corrosion inhibitors, Brines, Pitting, Corrosion coupons, Oil
Keywords:
corrosion inhibition, broad shear range, cold temperature stability, mild steel, CO2 corrosion
Government work published by the Association for Materials Protection and Performance (AMPP) with permission of the author(s). Positions and opinions advanced in this work are those of the author(s) and not necessarily those of AMPP. Responsibility for the content of the work lies solely with the author(s).
2014
GOV
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