So corruption mechanism and law are researched, rational protective measures are probed, as has vital meaning for pledging production life of oil well and raising oil recovery benefit.
因此，有针对性地开展腐蚀机理、腐蚀规律研究，探索合理的防护措施，对于保证油气井的生产寿命、提高油气开采效益具有重要意义。
Water is the fundamental substance for all lives on the earth as well as for the life and production of human beings. It is also a valuable natural resource.
水是地球上一切生命赖以生存、人类生活和生产必不可少的基本物质，它是宝贵的自然资源。
Special well drilling, production well life and the long-term benefit of oilfield exploration and development are directly influenced by the quality of well cementing.
固井质量问题在石油勘探开发中备受关注，对特殊工艺井钻井、油水井开采寿命和勘探开发效益有直接的影响。
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