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由于地层地质构造、长期注水、套管的腐蚀或射孔压裂等措施对水泥环的影响,造成了管外的窜槽。随着油田的大幅度开发,管外窜槽将影响油田稳产和开发方案的顺利实施,同时也影响井下作业和各种增产措施,影响油田开发效率。当油水井发生了管外窜槽,就应该及时准确的找出窜槽位置,以便采取针对性的措施,恢复油水井的正常生产。本文主要介绍的是应用地层测试技术发现并验证管外窜槽。
Due to the formation of geological formations, long-term water, casing corrosion or perforating fracturing and other measures on the impact of the cement ring, causing channeling channel outside. With the drastic development of the oilfield, channeling through the pipe will affect the smooth implementation of the oilfield stability and development programs, as well as affecting downhole operations and various stimulation measures, affecting the efficiency of oilfield development. When the oil and water wells outside the tube channeling, we should promptly and accurately find the channeling position in order to take targeted measures to restore the normal production of oil and water wells. This article mainly introduces the application of formation test technology to find out and verify the tube channeling.