| φ139.7mm套管开窗侧钻存在的问题及对策 |
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| 引用本文： | 张淑芹,荆文龙.φ139.7mm套管开窗侧钻存在的问题及对策[J].中外能源,2006,11(5). |
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| 作者姓名： | 张淑芹 荆文龙 |
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| 作者单位： | 1. 中国石化中原油田分公司采油五厂,河南,濮阳,457001
2. 中国石化中原石油勘探局钻井一公司,河南,濮阳,457001 |
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| 摘 要： | φ139.7mm套管开窗侧钻属于小井眼微间隙钻井。针对近年套管开窗侧钻中出现的开窗失败、小井眼井控问题、井下安全钻进、尾管悬挂器失效以及钻井液携带岩屑问题进行分析,提出了有效的解决措施,对进一步提高开窗侧钻小井眼微间隙钻井技术具有一定的促进作用。
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| 关 键 词： | 开窗侧钻 小井眼 微间隙 技术 中原油田 |
Problem and Countermeasure on φ139.7mm Casing Window-Milling and Sidetracking |
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| Zhang Shuqin,Jing Wenlong.Problem and Countermeasure on φ139.7mm Casing Window-Milling and Sidetracking[J].China Foreigh Energy,2006,11(5). |
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| Authors: | Zhang Shuqin Jing Wenlong |
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| Abstract: | The O/ 139.7mm casing window-milling and sidetracking belongs to the slimhole drilling with the micro-clearance.This paper analyses the problems encountered in slimhole operations in recent years,such as window-milling failure,difficulty of slimhole well control,safety trouble in downhole drilling,liner hanger failure and low capability of cuttings transport by drilling fluid.From this,some effective countermeasures have been taken,which has a certain promotion action to further improve the techniques of casing window-milling and sidetracking. |
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| Keywords: | window-milling and sidetracking slimhole micro-clearance technology Zhongyuan oilfield |
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