| 致密气藏压裂液水锁抑制剂筛选及性能评价 |
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| 引用本文： | 郭继香,张德兰,杨军伟,石啸,刘建伟,蒋明. 致密气藏压裂液水锁抑制剂筛选及性能评价[J]. 应用化工, 2011, 40(11) |
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| 作者姓名： | 郭继香 张德兰 杨军伟 石啸 刘建伟 蒋明 |
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| 作者单位： | 1. 中国石油大学提高采收率研究中心,北京,102249
2. 吐哈油田分公司工程技术研究院,新疆部善,838202 |
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| 摘 要： | 为缓解压裂过程造成的水锁伤害,需在压裂液中添加水锁抑制剂。以吸液量、表面张力、接触角、岩心渗透率伤害程度及液锁量等为考察指标,对水锁抑制剂进行了筛选。结果表明,药剂SDY具有良好的防水锁性能,添加SDY的破胶液对岩心渗透率伤害程度较低,液锁量也较小。
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| 关 键 词： | 致密气藏 水锁伤害 压裂液水锁抑制剂 岩心渗透率伤害程度 液锁量 |
The selection and performance evaluation in inhibitors of water-lock effect of the fracturing fluid in tight gas reservoir |
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| GUO Ji-xiang,ZHANG De-lan,YANG Jun-wei,SHI Xiao,LIU Jian-wei,JIANG Ming. The selection and performance evaluation in inhibitors of water-lock effect of the fracturing fluid in tight gas reservoir[J]. Applied chemical industry, 2011, 40(11) |
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| Authors: | GUO Ji-xiang ZHANG De-lan YANG Jun-wei SHI Xiao LIU Jian-wei JIANG Ming |
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| Affiliation: | GUO Ji-xiang1,ZHANG De-lan1,YANG Jun-wei1,SHI Xiao1,LIU Jian-wei2,JIANG Ming2(1.Enhanced Oil Recovery Research Center,China University of Petroleum,Beijing 102249,China,2.Research & Development Engineering Institute,Tuha Oilfield Company,CNPC,Shanshan 838202,China) |
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| Abstract: | In order to relieve the damage from water-lock effect in the fracturing process,it is necessary to add inhibitors of water-lock effect into the fracturing fluid.The selection of such inhibitor depends on the amount of solution absorbed by the powder of the rock sample,surface tension,contact angle,the drop in permeability of the rock core and the amount of liquid locked in the rock core.Results showed that SDY had an effective inhibitor of the water-lock effect,the fracturing fluid after degelation with SDY... |
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| Keywords: | tight gas reservoir water-lock effect inhibitors of water-lock effect of fracturing fluids harm to the permeability of the rock core the amount of the solution locked in the rock core |
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