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大港油田南部油区井眼漏失问题日益突出,钻井周期长,严重影响了油气钻探开发进程及效益。本文基于井漏复杂情况统计,分别从井漏层位、工程措施等方面,探讨了大港油田南部地区井漏原因与机理,并提出了钻井液防漏堵漏技术对策,为后续大港油田南部地区钻井液防漏堵漏技术优化研究奠定了基础。
The wellbore leakage problem in the southern oilfield of Dagang Oilfield has become increasingly prominent. The long drilling period has seriously affected the development process and benefits of oil and gas drilling. Based on the statistics of complicated situations of well leakage, this paper discusses the reason and mechanism of well leakage in the southern part of Dagang Oilfield from the aspects of well-leaking horizon and engineering measures, and puts forward the countermeasures against leakage and plugging of drilling fluid for the follow-up Dagang Oilfield southern area Drilling fluid leakage plugging technology optimization laid the foundation for the study.