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2010年9月,渤海钻探工程技术研究院在井底温度高达170℃的华北油田晋古2-4J井,成功实施承压钻井液堵漏技术。晋古2-4J井是一口潜山加深井,加深井段为
In September 2010, Drilling Engineering Technology Research Institute of Bohai Sea successfully carried out the sealing and sealing technology of bearing fluid under the well of Jingu 2-4J, Huabei Oilfield with the bottom hole temperature as high as 170 ℃. Jin ancient wells 2-4J is a buried hill deepening wells, deepen the well section