| 富含CO_2天然气偏差因子研究 |
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| 引用本文： | 王刚,杨胜来,吴晓云,刘红晓.富含CO_2天然气偏差因子研究[J].石油钻采工艺,2010,32(1). |
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| 作者姓名： | 王刚 杨胜来 吴晓云 刘红晓 |
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| 作者单位： | 中国石油大学石油工程教育部重点实验室,北京,102249 |
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| 基金项目： | 国家重点基础研究发展计划(973计划)资助 |
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| 摘 要： | 常规天然气CO2含量低,应用理论图版、经验公式计算偏差因子在一定范围内能够满足精度要求。但是,目前相继发现富含CO2天然气藏,由于CO2与烃类气体性质的差异,气体中CO2含量的增加将会影响计算精度。为此从计算偏差因子经验公式入手,对比了甲烷、乙烷、CO2纯气体的偏差因子。通过室内实验测定了不同CO2含量天然气偏差因子,分析了富含CO2天然气偏差因子随温度、压力的变化规律以及CO2含量对偏差因子的影响。
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| 关 键 词： | 偏差因子 理论计算 室内实验 |
Study on deviation factor of CO_2 rich gas |
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| WANG Gang,YANG Shenglai,WU Xiaoyun,LIU Hongxiao.Study on deviation factor of CO_2 rich gas[J].Oil Drilling & Production Technology,2010,32(1). |
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| Authors: | WANG Gang YANG Shenglai WU Xiaoyun LIU Hongxiao |
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| Affiliation: | WANG Gang,YANG Shenglai,WU Xiaoyun,LIU Hongxiao(MOE Key Laboratory of Petroleum Engineering in China University of Petroleum,Beijing 102249,China) |
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| Abstract: | Conventional gas normally contains less CO2,and the deviation factor which is calculated with theoretical chart and empirical formula can meet the accuracy requirement in a certain range.However,nowadays CO2 rich natural gas reservoirs have been found.As the character of CO2 is different from the hydrocarbon,the precision of empirical formula calculation of the deviation factor will be influenced by the increase of CO2.This thesis compares the deviation factor of methane,ethane and CO2,which are calculated ... |
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| Keywords: | CO_2 CO_2 deviation factor theoretical calculation laboratory experiment |
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