| 伊朗Y油田水平井钻井技术 |
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| 引用本文： | 张华卫,李梦刚,吴为,江朝.伊朗Y油田水平井钻井技术[J].探矿工程,2014,41(7):28-32. |
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| 作者姓名： | 张华卫 李梦刚 吴为 江朝 |
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| 作者单位： | 中国石化石油工程技术研究院,中国石化石油工程技术研究院,中国石化国际石油勘探开发有限公司,中国石化国际石油勘探开发有限公司 |
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| 摘 要： | 伊朗Y油田水平井面临着地质岩性多变、地质靶区不确定、裸眼井段长、井眼摩阻大、长水平段井眼轨迹控制困难等一系列钻井技术难点。结合Y油田一期水平井钻井实践，详细总结、形成了包括井身结构优化、螺杆钻具类型及其稳定器外径优选、钻头选型、侧钻钻具组合优选、水平井段优快钻井、KCl聚磺钻井液在内的6项水平井钻井技术。该技术在YS9井得到成功应用，定向段和水平段施工比设计提前12.4 d。Y油田水平井优快钻井技术的应用，能够提高钻井成功率，缩短水平井的建井周期，降低钻井成本，对Y油田后续的水平井施工起到一定的指导和借鉴作用。
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| 关 键 词： | 水平井 钻井技术 轨迹控制 钻具组合 钻井液 伊朗Y油田 |
| 收稿时间： | 2014/1/20 0:00:00 |
| 修稿时间： | 2014/1/20 0:00:00 |
Horizontal Well Drilling Technology in Y Oilfield of IRAN |
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| ZHANG Hua-wei,LI Meng-gang,WU Wei and JIANG Zhao.Horizontal Well Drilling Technology in Y Oilfield of IRAN[J].Exploration Engineering(Drilling & Tunneling),2014,41(7):28-32. |
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| Authors: | ZHANG Hua-wei LI Meng-gang WU Wei and JIANG Zhao |
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| Institution: | SINOPEC Research Institute of Petroleum Engineering,SINOPEC Research Institute of Petroleum Engineering,SINOPEC International Petroleum E & P Corporation,SINOPEC International Petroleum E & P Corporation |
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| Abstract: | There are a series of drilling technical challenges in Y oilfield horizontal wells of Iran, complex geological lithology, uncertain geological target area, long uncased hole section, big borehole friction and difficult trajectory control of long horizontal well section. Based on the practice in the first phase horizontal well drilling in this oilfield, 6 drilling technologies for horizontal well are summarized and formed: optimization of casing program, screw drill tool types and the optimization of stabilizer outer diameter, bit selection, bottom hole assembly (BHA) for sidetracking, optimized and quick drilling in horizontal well section and KCl polysulfonate drilling fluid. These technologies are fruitfully applied in well YS9, the construction of directional and horizontal sections were completed 12.4 days ahead of schedule with shorter well construction cycle and reduced cost. |
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| Keywords: | horizontal well drilling technology trajectory control DHA drilling fluid Y oilfield of IRAN |
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