| 裂缝性碳酸盐岩储层酸化评价模型及敏感性参数分析 |
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| 引用本文： | 王崇,高杰,宫汝祥,黄子俊,袁玉凤,冯青,杨浩,王飞.裂缝性碳酸盐岩储层酸化评价模型及敏感性参数分析[J].石油化工应用,2021(3):76-79. |
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| 作者姓名： | 王崇 高杰 宫汝祥 黄子俊 袁玉凤 冯青 杨浩 王飞 |
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| 作者单位： | 中海油服股份有限公司油田生产事业部 |
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| 摘 要： | 本文引入蚓孔表征碳酸盐岩储层酸化后特征,基于采油工程及渗流理论建立了表皮系数-蚓孔长度-酸液用量的内在关系图版,研究结果表明:蚓孔越长,酸化效果越明显,当蚓孔突破污染区域后,注入的酸液对实际的油气井改善效果不明显,此研究为碳酸盐岩储层酸化酸液设计优化提供依据。
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| 关 键 词： | 碳酸盐岩 蚓孔长度 表皮 酸液用量 |
Acidification evaluation model and sensitivity parameter analysis of fractured carbonate reservoir |
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| WANG Chong,GAO Jie,GONG Ruxiang,HUANG Zijun,YUAN Yufeng,FENG Qing,YANG Hao,WANG Fei.Acidification evaluation model and sensitivity parameter analysis of fractured carbonate reservoir[J].Petrochemical Industry Application,2021(3):76-79. |
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| Authors: | WANG Chong GAO Jie GONG Ruxiang HUANG Zijun YUAN Yufeng FENG Qing YANG Hao WANG Fei |
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| Affiliation: | (China Oilfield Services Limited Oilfield Production Optimization Institution,Tianjin 300450,China) |
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| Abstract: | This paper introduced wormholes to characterize the acidized carbonate reservoir.Based on production engineering and percolation theory,the chart is established for skin factor-wormhole length-acidizing fluid volume.The results show that the longer wormholes are,the more obvious the acidizing effect is.Actually,when wormholes break through the contaminated zone,the injected fluid has no obvious improvement effect on the oil and gas wells.This study provides a basis for the optimization of acidizing fluid design for carbonate reservoirs. |
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| Keywords: | carbonate rock wormhole length skin factor acidizing fluid volume |
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