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在油气钻井工程中,固井作业是衔接钻井和采油工程的重要环节,作为钻井的最后一道工序,其直接影响着油气田的斟探和开发,影响着企业的经济效益。近年来,我国的油田斟探开发已经转向深井、超深井开发,由于地层情况复杂,固井质量存在不少问题,影响了油气田的开发。文章重要介绍了在深井、超深井固井过程中存在的一些难题,并针对这些问题,对一些新技术的应用进行了分析。
In oil and gas drilling engineering, cementing operation is an important link in drilling and oil recovery engineering. As the last step of drilling, it directly affects the exploration and development of oil and gas fields and affects the economic benefits of enterprises. In recent years, the exploration and development of oilfields in our country have turned to the development of deep and ultra-deep wells. Due to the complicated strata, there are many problems in cementing quality, which have affected the development of oil and gas fields. The paper introduces some problems in deep well and ultra-deep well cementing, and analyzes the application of some new technologies in response to these problems.