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Anticorrosion measures of oil casing

Anticorrosion measures of oil casing
1, the first to do a good job of water quality standards, strict water quality testing and management. The implementation of the clean water injection, to strengthen the main water pipeline cleaning work, so that the station within the bottom of the water quality standards, reduce the erosion of the introduction of ring space;
2, the new water injection wells have been put into operation in order to increase the sterilization of the ring air protection liquid, and the formation of the system, regular investment plus;
3, due to mechanical abrasion acceleration effect on oil casing corrosion in oil pipe coupling with a rubber ring or a centralizer in serious deviation position, to avoid in the process of operation and in the process of water injection tubing casing and casing side contact scratch;
4, in the case of severe bacterial corrosion and high temperature SRB growth slow and kill the situation, can be regularly to the ring air injection of high temperature water or steam to 100 degrees Celsius to kill the scale SRB;
5, in the water injection well casing corrosion was not effectively controlled, not recommended to promote the use of cathodic protection and coating.

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