A water flood program is required for Kuwait's Northern and Western fields to maintain reservoir pressures. The program requires large amounts of aquifer and effluent injection water, treated with oil field chemicals. The treatment chemicals consist of corrosion inhibitors, scale inhibitors, and biocides. A laboratory performance evaluation was conducted on four corrosion inhibitors in combination with scale inhibitors and biocides, to determine the influence of these other chemicals on the effectiveness of the corrosion inhibitor. The results indicated that in many cases there was an improvement in corrosion inhibition on addition of the scale inhibitor but there was generally a reduction in inhibition on addition of the biocide. The testing enabled the selection of the best corrosion inhibitor, scale inhibitor, and biocide combination in both sweet and sour waters.

Subject
Test methods, Water, Inhibitor performance, Corrosion rate, Autoclaves, Scale inhibitors, Effluent, Weight loss, Corrosion inhibitors, Corrosion data, Biocides, Linear polarization resistance, Electrodes
Keywords:
Water flood, corrosion inhibitor, scale inhibitor, biocide
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).
2007
GOV
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