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深井无伸缩器中长筒取心技术在青海油田跃东 1 46井、跃 1 6— 2 7井、南 1— 3井上进行应用 ,取得显著成绩 ,创该油田深井中长筒取心最好成绩。文中分析了选用川 6— 4型取心工具和川 8— 3型取心工具的原因和工具结构特点 ,以及在 3口井中取得的成绩。
Deep well without telescopic tube in the long tube coring technology in Qinghai Oil Field Yuedong 146, Yue 1 6 2 7 well, South 1- 3 well for the application, and achieved remarkable results, hit the oilfield deep well in the best long coring Score. In this paper, we analyze the reasons and tools structural features of Chuan6-4 coring tools and Chuan8-3 coring tools, and the achievements in three wells.