Compatibility Evaluation and Synergism of Anti-corrosion Bacteria and Common Chemical Agents Commonly Used in Oil Field

WU Weilin; YANG Fan; WANG Biao; MENG Zhangjin; JIANG Guiyin

doi:10.11973/fsyfh-202106014

Corrosion & Protection > 2021 > 42(6): 78-83. > DOI: 10.11973/fsyfh-202106014

WU Weilin, YANG Fan, WANG Biao, MENG Zhangjin, JIANG Guiyin. Compatibility Evaluation and Synergism of Anti-corrosion Bacteria and Common Chemical Agents Commonly Used in Oil Field[J]. Corrosion & Protection, 2021, 42(6): 78-83. DOI: 10.11973/fsyfh-202106014

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Compatibility Evaluation and Synergism of Anti-corrosion Bacteria and Common Chemical Agents Commonly Used in Oil Field

Sinopec Jiangsu Oilfield Petroleum Engineering Technology Research Institute, Yangzhou 225009, China

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Received Date: April 19, 2020

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Abstract

For oil wells with bacterial corroosion, the compatibility of anti-corrosion bacteria and chemical agents commonly used in oil fields, and the synergistic effect of anti-corrosion bacteria and corrosion inhibitors were analyzed. The results show that adding anti-corrosion bacteria did not affect the use effect of chemical agents. Compared with adding corrosion inhibitor or anti-corrosion bacteria alone, adding anti-corrosion bacteria and KD-32C corrosion inhibitor at the same time could effectively control the growth of sulgate-reducing bacteria (SRB), remove most of the sulfide, and further reduce the corrosion rate. Application of composite anti-corrosion technology in W2-53 oil well, sulfide and corrosion rate were effectively controlled.
- anti-corrosion bacteria,
- chemical agent,
- synergism,
- compatibility

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