| 达深CP302开窗侧钻水平井钻井实践与认识 |
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| 引用本文： | 孙庆仁,郭盛堂,孟祥波. 达深CP302开窗侧钻水平井钻井实践与认识[J]. 探矿工程(岩土钻掘工程), 2014, 41(4): 36-38 |
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| 作者姓名： | 孙庆仁 郭盛堂 孟祥波 |
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| 作者单位： | 大庆钻探工程公司钻井一公司,大庆钻探工程公司钻井一公司,大庆钻探工程公司钻井一公司 |
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| 摘 要： | 达深CP302井是大庆油田自主设计和施工的第一口深层小井眼欠平衡套管开窗侧钻水平井,该井集中了深井、小井眼井、欠平衡井、套管开窗及水平井的所有技术特点与难点。通过技术方案优化,确定了斜向器配合复式铣锥磨铣开窗方式,详细介绍了套管开窗侧钻技术和井眼轨迹控制技术。达深CP302井的钻探成功,取得了良好的经济效益和社会效益。
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| 关 键 词： | 欠平衡井 套管开窗 轨迹控制 方案优化 小井眼 达深CP井 |
| 收稿时间： | 2013-10-11 |
| 修稿时间： | 2014-01-16 |
Practice of Sidetracking Drilling in Dashen CP302 Horizontal Well and the Cognition |
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| SUN Qing-ren,GUO Sheng-tang and MENG Xiang-bo. Practice of Sidetracking Drilling in Dashen CP302 Horizontal Well and the Cognition[J]. Exploration Engineering （Rock & Soil Drilling and Tunneling）, 2014, 41(4): 36-38 |
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| Authors: | SUN Qing-ren GUO Sheng-tang MENG Xiang-bo |
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| Affiliation: | No.1 Drilling Company of Daqing Drilling & Exploration Engineering Corporation,No.1 Drilling Company of Daqing Drilling & Exploration Engineering Corporation,No.1 Drilling Company of Daqing Drilling & Exploration Engineering Corporation |
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| Abstract: | Dashen CP302 is the first deep slim hole under-balanced casing window sidetracking horizontal well which is independently designed and constructed in Daqing oilfield, and has concentrated all the technical characteristics and the difficulties of deep well, slim hole well, under-balanced well, casing window and horizontal well. By optimization on the technical scheme, whipstock with duplex milling and cone milling window is determined. The paper introduces casing sidetracking technology and well trajectory control technology in detail. |
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