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密闭取心这一特殊取心工艺,由于能取得地层原始的数据资料,正在注水开发见效的老油区和新探区被广泛的应用。我局自行设计的MQJ215型密闭取心工具、MQJ215密闭取心钻头和经多次实验室试验而找出的密闭液配方与配制工艺的研制和现场应用,该工具与钻头的现场施工工艺和其在现场5口井的应用中所取得的成效。
Closed Coring This special coring process, due to the availability of raw data stratigraphy, effective development of water injection in the old oil and new exploration areas are widely used. Our own design of the MQJ215 closed coring tools, MQJ215 closed coring bit and a number of laboratory tests to find out the formulation and formulation of the sealing fluid preparation and field applications, the tool and the drill site construction process and its In the field of 5 wells in the application of the results achieved.