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H020U井钻进所遇问题及处理方法
引用本文:张新刚,隆东,向军文,林修阔.H020U井钻进所遇问题及处理方法[J].探矿工程,2011,38(1):28-31.
作者姓名:张新刚  隆东  向军文  林修阔
作者单位:中国地质科学院勘探技术研究所,河北廊坊065000
摘    要:土耳其贝帕扎里天然碱矿H020U井在造斜钻进和水平钻进过程中遇到井漏、钻头钻遇硅化灰岩层磨损严重、未绕过第一靶点V020而打中套管、井涌、仪器掉入裸眼、钻遇未知溶腔导致顶角下降,方位偏离而导致未直接连通第二靶点等问题。针对这些问题进行了分析,并提出了相应的处理方法,最后成功地使H020U井连通第一靶点V020井和第二靶点V020U井。

关 键 词:水平钻进  造斜  水平井  靶点  连通  H020U井  土耳其贝帕扎里天然碱矿
收稿时间:2010/7/16 0:00:00
修稿时间:2010/7/16 0:00:00

Analysis on the Problems of H020U Drilling and the Corresponding Solutions
ZHANG Xin-gang,LONG Dong,XIANG Jun-wen and LIN Xiu-kuo.Analysis on the Problems of H020U Drilling and the Corresponding Solutions[J].Exploration Engineering(Drilling & Tunneling),2011,38(1):28-31.
Authors:ZHANG Xin-gang  LONG Dong  XIANG Jun-wen and LIN Xiu-kuo
Institution:(The Institute of Exploration Techniques,CAGS,Landfang Hebei 065000,China)
Abstract:Many problems were encountered in the drilling procedure of H020U of Beypazari trona mine in Turkey,such as the drilling fluid leakage;the severe bit abrasion by the hard silicified limestone;hitting the production casing of V020;brine gushing;instrument dropping into the open hole;inclination angle going down and azimuth deviating with the unexpected cavity,which caused the second target was not hit,and so on.All of these problems were analyzed and the corresponding solutions were brought forward.Finally both of the first target V020 and the second target V020U were successfully connected by H020U.
Keywords:horizontal drilling  inclination building  horizontal well  target  connection  H020U well  solutions  Beypazari trona mine in Turkey
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