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- W2354454083 abstract "In Wenmingzhai and Mazhai oil fields,Zhongyuan, the produced waters are corrosive and the corrosion inhibitor used downhole in production wells, aromatic amine inhibitor DF-97, is toxic and less effective .A branched fatty amine salt,AU, an imidazoline salt,MY-01,and their various combinations are investigated for corrosion inhibition of steel A3 specimen in the produced water at 80℃ (well temperature).It is found that there exists a dosage limit for AU and combinations MY-01+AU are more effective than either MY-01 or AU.The corrosion inhibition rate of GC-02 increases with increasing its dosage (10-140 mg/L),bing of 79% at dosage 40 mg/L.At dosage ranged in 10-120 mg/L,GC-02 is more effective than DF-97 and QY-SL (an imidazoline) used presently. The dosage of GC-02 in field uses is of 80 mg/L,the inhibitor is introduced into production wells through annulus every 3-7 days in a designed quantity. As a result of replacing DF-97 with GC-02 in 6 production wells,the comtent of ∑Fe in the produced water decreases in average form 10.6 mg/L to 4.7 mg/L,the corrosion rate at the well head - form 0.152 mm/a to 0.025 mm/a and the amount of inhibitor used per well in a month - from 300 kg to 250 kg." @default.
- W2354454083 created "2016-06-24" @default.
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- W2354454083 date "2004-01-01" @default.
- W2354454083 modified "2023-09-23" @default.
- W2354454083 title "Combinational Corrosion Inhibitor GC-02 of Higher Efficiency and Lower Toxicity for Downbole Use in Production Wells" @default.
- W2354454083 hasPublicationYear "2004" @default.
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