| 重复压裂裂缝转向时油藏数值模拟研究 |
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| 引用本文： | 翁定为,姚飞,李阳,侯峰. 重复压裂裂缝转向时油藏数值模拟研究[J]. 石油钻采工艺, 2006, 28(6): 65-67. DOI: 10.3969/j.issn.1000-7393.2006.06.020 |
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| 作者姓名： | 翁定为 姚飞 李阳 侯峰 |
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| 作者单位： | 1.中国石油勘探开发研究院压裂酸化中心, 河北 廊坊 065007 |
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| 基金项目： | 中国石油天然气股份有限公司勘探与生产分公司重点项目 |
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| 摘 要： | 裂缝转向的实现及选井、选层、优化设计等的数值模拟和机理是转向重复压裂需进一步研究解决的问题,为此,采用黑油模型,研究了在反九点注采井网中,不同储集层渗透率下,转向重复压裂的裂缝穿透率和导流能力等对采油动态的影响。研究表明,不论是渗透率高的地层还是渗透率低的地层,不利裂缝方位的边井最适合实施转向重复压裂且需要比常规重复压裂更大的缝长,而有利裂缝方位的边井和角井只需要与常规重复压裂相当的缝长;同时,转向重复压裂需要比常规重复压裂更高的裂缝导流能力。
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| 关 键 词： | 重复压裂 裂缝转向 油藏数值模拟 |
| 文章编号： | 1000-7393（2006）06-0065-03 |
| 收稿时间： | 2006-04-27 |
| 修稿时间： | 2006-04-272006-10-12 |
Reservoir numerical simulation study for refracture reorientation |
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| WENG Ding-wei,YAO Fei,LI Yang,HOU Feng. Reservoir numerical simulation study for refracture reorientation[J]. Oil Drilling & Production Technology, 2006, 28(6): 65-67. DOI: 10.3969/j.issn.1000-7393.2006.06.020 |
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| Authors: | WENG Ding-wei YAO Fei LI Yang HOU Feng |
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| Affiliation: | 1.Fracture Acidizing Center, Langfang Branch of RIPED, Langfang 065007, Hebei, China |
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| Abstract: | In this paper,black-oil model is used to study how fracture penetration coefficient and fracture conductivity affect the oil recovery performance of production wells in different reservoir permeability when refracture reorientation.The study shows that the edge wells of unfavorable fracture azimuth are the most suitable wells to treat with reorientation refracture and the length of these wells should be longer than common refracture.The fracture length of the edge wells of favorable fracture azimuth and corner wells should be designed with common refractures.Moreover,reorientation refracture need higher fracture conductivity than common refractures. |
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| Keywords: | refracture fracture reorientation reservoir numerical simulation research |
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