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| 不同压裂液对煤岩渗透率伤害实验评价初探 | |
| 引用本文： | 问晓勇,伊向艺,卢渊,管保山,梁莉,刘萍. 不同压裂液对煤岩渗透率伤害实验评价初探[J]. 石油化工应用, 2011, 30(3) |
| 作者姓名： | 问晓勇 伊向艺 卢渊 管保山 梁莉 刘萍 |
| 作者单位： | 1. 成都理工大学能源学院,四川成都,610059 2. 成都理工大学能源学院,四川成都,610059;油气藏地质及开发工程国家重点实验室(成都理工大学),四川成都,610059 3. 中国石油勘探开发科学研究院廊坊分院,河北廊坊,060507 |
| 基金项目： | 国家重大专项《煤层气完井与高效增产技术及装备研制》资助项目;项目 |
| 摘 要： | 煤岩储层增产措施中,压裂是重要的手段。不同压裂液对煤岩渗透率会造成不同程度的伤害。本文采用活性水、KCl溶液及破胶前后的清洁压裂液对煤岩渗透率伤害进行了室内评价。从实验结果可以看出,活性水和KCl溶液对煤岩伤害程度很小,属于弱伤害;未破胶的清洁压裂液对煤岩渗透率伤害很大;相比而言破胶后的清洁压裂液对煤岩渗透率伤害明显减小。从返排恢复结果可知,KCl溶液和活性水伤害过的煤岩渗透率恢复较好,未破胶的煤岩渗透率恢复较慢,破胶后的清洁压裂液渗透率恢复较好。从而为煤岩储层增产技术中压裂液体系选择提供理论依据。 |
| 关 键 词： | 煤岩 活性水 KCl溶液 清洁压裂液 渗透率伤害 |
Evaluation and primary exploration of damage experiment of coal rock permeability caused by different fracture fluid |
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| WEN Xiaoyong,YI Xiangyi,LU Yuan,GUAN Baoshan,LIANG Li,LIU Ping. Evaluation and primary exploration of damage experiment of coal rock permeability caused by different fracture fluid[J]. Petrochemical Industry Application, 2011, 30(3) | |
| Authors: | WEN Xiaoyong YI Xiangyi LU Yuan GUAN Baoshan LIANG Li LIU Ping |
| Affiliation: | WEN Xiaoyong~1,YI Xiangyi~(1,2),LU Yuan~1,GUAN Baoshan~3,LIANG Li~3,LIU Ping~3 (1.College of Energy Resources,Chengdu University of Technogy,Chengdu Sichuan 610059,China,2.State Key Laboratory of Oil and Gas Reservoir Geology and Expitation,(Chengdu University of Technogy) Chengdu Sichuan 610059,3.Branch of Langfang of Research Institute of Exploration and Development of Chinese Petroleum,Langfang Hebei 060507,China) |
| Abstract: | The fracturing is an important means in the coal reservoir stimulation.Different rock fracturing fluid and can cause permeability of coal varying degrees of damage.In this paper,took activity of water, KCl solution and gel breaking fracturing fluid before and after the cleaning of coal and rock permeability damage to the interior evaluation.From the experimental results can see,active water and KCl solution on the degree of injury is very small coal,is weak injury;not fracturing fluid gel breaking clean coa... |
| Keywords: | coal active water KCl solution clean fracturing fluid permeability damage |
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