| 一种新型天然气压缩因子数值计算方法 |
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| 引用本文： | 管虹翔,段国喜,齐桃,李伟,李伟超. 一种新型天然气压缩因子数值计算方法[J]. 特种油气藏, 2011, 18(2): 85-88,139,140 |
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| 作者姓名： | 管虹翔 段国喜 齐桃 李伟 李伟超 |
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| 作者单位： | 1. 中海油研究总院,北京,100027
2. 中海油天津分公司,天津,300452 |
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| 摘 要： | 天然气压缩因子是天然气重要的物性参数之一,传统计算方法对于高压天然气的计算存在较大误差。综合利用传统压缩因子图版与高压天然气压缩因子实验数据进行拟合,得到了同时适用于中低压及高压范围的天然气压缩因子计算公式。计算显示在低压段平均误差为3.3%,在高压段平均误差为2.5%。将这一公式应用于气井压力的计算中,取得了较高的计算精度。
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| 关 键 词： | 压缩因子 天然气 常规气井 高温高压气井 计算方法 |
A new computing method of gas compressibility factor |
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| GUAN Hong-xiang,DUAN Guo-xi,QI Tao,LI Wei,LI Wei-chao. A new computing method of gas compressibility factor[J]. Special Oil & Gas Reservoirs, 2011, 18(2): 85-88,139,140 |
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| Authors: | GUAN Hong-xiang DUAN Guo-xi QI Tao LI Wei LI Wei-chao |
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| Affiliation: | GUAN Hong-xiang1,DUAN Guo-xi2,QI Tao1,LI Wei1,LI Wei-chao1(1.CNOOC Research Institute,Beijing 100027,China,2.Tianjin Branch of CNOOC,Tianjin 300452,China) |
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| Abstract: | Compressibility factor is one of the important parameters of natural gas.Traditional computing method has big error in calculation of superhigh pressure natural gas.This paper matches the traditional compressibility factor with the experimental data of superhigh pressure gas compressibility factor,and obtains a formula of compressibility factor for both mid-low and high pressure conditions.The computation shows that the average error is 3.3% for low pressure interval and 2.5% for high pressure interval.Gas ... |
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| Keywords: | compressibility factor natural gas conventional gas well high temperature high pressure gas well computing method |
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