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FQCS-41是伊拉克米桑Fauqi油田第一口在17.5in井眼内完成增斜段,稳斜段和降斜段施工的五段制定向井,FQCS-42井是在FQCS-41井成功经验基础上改进设计和钻具结构完成的第二口大井眼五段制定向井。文章通过这两口井,详述了在该油田17.5in井眼内定向施工过程及采取的有效技术措施,浅谈了作者对施工该类井的认识与建议。这篇论文所介绍的轨迹控制过程以及在控制过程中获得的经验和分析结论,对以后该地区此类井型的施工能够起到一定的指导作用。
FQCS-41 is the first section of the Fauqi oil field in Misang, Iraq, to complete a five-zone directional well in the 17.5-in borehole with increasing slope, steady slope and descending slope. FQCS-42 well is based on the successful experience of FQCS-41 well On the improved design and the completion of the drilling structure of the second big hole five well-directional well. Through these two wells, the article details the directional construction process and effective technical measures in 17.5in wellbore of this oilfield, and briefly discusses the author’s cognition and suggestions on the construction of such wells. The trajectory control process and the experience gained in the control process and the conclusions of the analysis presented in this paper can guide the construction of this type of well in the future.