| CO2增能压裂在煤层气垂直井中的应用 |
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| 引用本文： | 焦中华,倪小明,贾炳.CO2增能压裂在煤层气垂直井中的应用[J].煤炭工程,2011,0(2):48-50. |
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| 作者姓名： | 焦中华 倪小明 贾炳 |
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| 作者单位： | 1. 中原石油勘探局井下特种作业处,河南,濮阳,457161
2. 河南理工大学能源科学与工程学院,河南,焦作,454000 |
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| 基金项目： | 河南省科技基础与前沿项目(092300410213); 河南理工大学博士基金(B2009-51) |
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| 摘 要： | 能否使用二氧化碳泡沫增能压裂提高煤储层导流能力、节约成本、提高煤层气井产气量一直是大家关注的焦点问题之一。本文以淮北矿区芦岭矿井主力煤层为研究对象，通过等温吸附实验对比研究区煤对甲烷气体和二氧化碳气体吸附的差异性；根据伴注二氧化碳泡沫压裂特点，系统分析了二氧化碳泡沫压裂增产机理；结合芦岭矿实际，设计了该研究区二氧化碳泡沫压裂煤储层工艺技术。芦岭矿井伴注二氧化碳泡沫压裂和常规活性水压裂的产气对比表明：二氧化碳泡沫压裂从一定程度上可增加煤层气垂直井的产气量，具有较好地应用前景。
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| 关 键 词： | 二氧化碳泡沫 压裂 煤层气 吸附 |
| 收稿时间： | 2010-12-02; |
Application of carbon dioxide energy accumulation fracturing to coal bend methane vertical well |
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| JIAO Zhong-hua,NI Xiao-ming,JUA Bing.Application of carbon dioxide energy accumulation fracturing to coal bend methane vertical well[J].Coal Engineering,2011,0(2):48-50. |
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| Authors: | JIAO Zhong-hua NI Xiao-ming JUA Bing |
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| Affiliation: | JIAO Zhong-hua1,NI Xiao-ming2,JUA Bing2(1.Underground Special Operation Division,Zhongyuan Petroleum Exploration Bureau,Puyang 457001,China,2.School of Energy Science and Engineering,Henan Polytechnic University,Jiaozuo 454000,China) |
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| Abstract: | According to the co-injection carbon dioxide foam fracturing features,the paper systematically analyzed the mechanisms of the carbon dioxide foam fracturing and the gas production increasing.In combination with the actual conditions of Luling Mine,the carbon dioxide foam seam fracturing technique and technology of the study zone was designed.The gas production comparison between the co-injection carbon dioxide foam fracturing and the normal active water fracturing in Luling Mine showed that the carbon dioxi... |
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| Keywords: | carbon dioxide foam fracturing coal bed methane vertical well adsorption |
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