| 水平井连续油管拖动选择性酸化工艺 |
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| 引用本文： | 徐克彬,马昌庆,陈迎春,陈国梁,李占省,周正奇. 水平井连续油管拖动选择性酸化工艺[J]. 石油钻采工艺, 2014, 36(6): 79-82. DOI: 10.13639/j.odpt.2014.06.019 |
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| 作者姓名： | 徐克彬 马昌庆 陈迎春 陈国梁 李占省 周正奇 |
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| 作者单位： | 1.渤海钻探工程有限公司井下作业分公司，河北任丘 062552 |
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| 摘 要： | 随着水平井规模化应用,水平井增产改造措施发挥着越来越重要的作用。为保证井中多段储层充分改造,发挥水平段每个油气段的产能,使改造具有针对性、选择性,进行水平井选择性酸化工艺开发尤显重要。介绍了一种在水平井用连续油管拖动选择性酸化工艺方法,对作业关键参数进行了实验分析与理论研究,确立施工参数并在DH20-4H井成功进行了现场实施。
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| 关 键 词： | 水平井 连续油管 选择性酸化 |
| 收稿时间： | 2019-05-22 |
Selective acidizing technology by dragging coiled tubing in horizontal wells |
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| Affiliation: | 1.Downhole Operation Branch Company of Bohai Drilling Engineering Co. Ltd., Renqiu 062552, China2.Research Institute of Petroleum Production Engineering, Huabei Oilfield Company, Renqiu 062552, China3.College of Mechanical and Transportation Engineering, China University of Petroleum, Changping 102249, China4.No. 1 Oil Production Plant of Huabei Oilfield Company, CNPC, Renqiu 062552, China |
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| Abstract: | With large-scale application of horizontal wells, the stimulation and reform of horizontal wells has been playing a more and more important role in increasing oil/gas production. In order to ensure fully fracturing of multi-stage reservoir in well, make play the capacity of each stage in horizontal section and make the reconstruction more pertinent and more selective, the development of selective acidizing technology for horizontal wells is particularly important. This paper presents a selective acidizing process by dragging coiled tubing in horizontal wells, which conducted experimental analysis and theory study for key operation parameters, and established technical parameters and successfully implemented on DH20-4H Well. |
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