赤岸油田腐蚀结垢一体化研究与治理

Integrated Research and Treatment of Corrosion and Scaling in Chian Oilfield

摘要

针对赤岸油区腐蚀结垢问题开展了重新认识与评价研究。一井一策，对腐蚀结垢井重新分析评价采出液、产气、微生物和垢样，找出腐蚀结垢变化因素，腐蚀结垢主要是因为在井底的碳酸盐产出，在压力变化下产生二氧化碳，在井筒中与钙产生结垢，并产生腐蚀。优选了防腐蚀防垢药剂和除垢剂，并制定了现场应用方案。对不同井进行不同的防腐防垢方案优化，找出最佳方案。同时，结合本油田实际情况，制定出优化的工艺方法。通过现场深入研究与一体治理，取得较好的成效。

Abstract

Research on corrosion and scale in red shore oil area. One well and one policy, to reanalyze and evaluate the extracted liquid, gas production, microorganisms and scale samples, and find out the change factors of corrosion and scaling. The corrosion and scale is mainly due to the production of carbonate salt at the bottom of the well, carbon dioxide under the pressure change, and scaling with calcium in the wellbore, and corrosion. Anticorrosion and scale remover are selected, and the field application scheme is formulated. Different anti-corrosion and anti-scale schemes are optimized for different Wells to find out the best scheme. At the same time, combined with the actual situation of the oilfield, the optimized process method is developed. Through on-site in-depth research and integrated management, good results have been achieved.

关键词

油井 / 结垢 / 腐蚀 / 缓蚀阻垢

Key words

oil well / scaling / corrosion / corrosion resistance

参考文献

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