| 碳酸盐岩酸压裂缝导流能力随缝长变化规律研究 |
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| 引用本文： | 王玉芳,杜建军,牛新年.碳酸盐岩酸压裂缝导流能力随缝长变化规律研究[J].地质力学学报,2015,21(4):546-554. |
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| 作者姓名： | 王玉芳 杜建军 牛新年 |
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| 作者单位： | 中国地质调查局油气资源调查中心, 北京 100029;中国地质科学院地质力学所, 北京 100081;中石油塔里木油田测井中心, 新疆库尔勒 841000 |
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| 摘 要： | 酸压裂缝的缝长和导流能力是评价酸化压裂效果的2个重要指标,通过应用Fracpro PT软件对碳酸盐岩酸压过程中酸蚀裂缝导流能力和缝长变化趋势的拟合,总结了碳酸盐岩油气藏不同储层类型中的裂缝导流能力随缝长的变化规律,从裂缝导流能力随缝长的变化趋势中可以半定量判断碳酸盐岩储层中缝洞发育带的发育规模。拟合结果与地震和测井解释结果相结合,对定性和定量判断碳酸盐岩缝洞发育体的规模具有重要意义。
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| 关 键 词： | 碳酸盐岩 酸压 裂缝导流能力 裂缝缝长 缝洞发育带 |
| 收稿时间： | 2015/5/20 0:00:00 |
STUDY ON ACID FRACTURE CONDUCTIVITY WITH LENGTH VARIATION IN CARBONATE RESERVOIR |
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| WANG Yu-fang,DU Jian-jun and NIU Xin-nian.STUDY ON ACID FRACTURE CONDUCTIVITY WITH LENGTH VARIATION IN CARBONATE RESERVOIR[J].Journal of Geomechanics,2015,21(4):546-554. |
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| Authors: | WANG Yu-fang DU Jian-jun and NIU Xin-nian |
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| Institution: | Oil & Gas Survey, CGS, Beijing 100029, China;Institute of Geomechanics, China Academy of Geological Sciences, Beijing 100081, China;Logging Center of Tarim Oilfield Subdivision of CNPC, Kuerle 841000, Xinjiang, China |
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| Abstract: | Based on the method of Nierode-Kruk theory, the change law between fracture conductivity and fracture length in different types of carbonate reservoir was obtained through fitting the change trend of the acid fracture conductivity with length variation, and the fracture-cave scale of the carbonate reservoir was semi-quantitatively determined based on this law. The fitting results combined with seismic and log interpretation has great significance on qualitative and quantitative judgment of the fracture-cave scale in the reservoir. |
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| Keywords: | carbonate reservoir acid fracture fracture conductivity fracture length fracture-cave developed zone |
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