| 低渗透气藏非达西渗流三项式产能方程的建立 |
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| 引用本文： | 郑丽坤.低渗透气藏非达西渗流三项式产能方程的建立[J].天然气地球科学,2013,24(1):146-149. |
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| 作者姓名： | 郑丽坤 |
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| 作者单位： | 中国石油大庆油田有限责任公司第六采油厂，黑龙江 大庆 163114 |
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| 基金项目： | 中国石油天然气股份公司科技项目“火山岩气藏有效开发技术研究”(编号:2011B-1506)资助 |
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| 摘 要： | 低渗透气藏由于存在启动压力梯度，气体的渗流不再符合达西定律。考虑启动压力梯度影响，从气体多孔介质渗流力学理论出发，基于低渗透气藏非达西低速稳定渗流微分方程，建立了考虑启动压力梯度影响的低渗透气藏三项式产能方程，并提出了求解方法。通过某气藏的实际资料计算结果表明提出的方法切实可行，计算结果可靠。
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| 关 键 词： | 低渗透 非达西 三项式 产能方程 |
| 收稿时间： | 2012-07-18 |
Establishment of Trinomial Productivity Equation for Non-Darcy Effect Low Permeability Gas Reservoirs |
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| ZHENG Li-kun.Establishment of Trinomial Productivity Equation for Non-Darcy Effect Low Permeability Gas Reservoirs[J].Natural Gas Geoscience,2013,24(1):146-149. |
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| Authors: | ZHENG Li-kun |
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| Affiliation: | No.6 Producing Company of Daqing Oilfield,PetroChina,Daqing 163114,China |
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| Abstract: | The gas percolation is not adherence to Darcy′s law due to existence of starting pressure gradient in the low permeability gas reservoir.Based on low permeability gas reservoir with non-Darcy low-velocity seepage differential equation,I establish the low permeability gas reservoir Trinomial equation with consideration of starting pressure gradient effect,and present the solving method.The proposed method is feasible and reliable calculation results after the crude data are calculated in a gas reservoir. |
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| Keywords: | Low permeability Non-Darcy Trinomial Productivity equation |
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