| 普通稠油油藏启动压力梯度求解方法与应用 |
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| 引用本文： | 许家峰,程林松,李春兰,丁涌.普通稠油油藏启动压力梯度求解方法与应用[J].特种油气藏,2006,13(4):53-57. |
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| 作者姓名： | 许家峰 程林松 李春兰 丁涌 |
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| 作者单位： | 1. 中国石油大学,北京,昌平,102249
2. 中油新疆油田公司,新疆,克拉玛依,834000 |
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| 摘 要： | 利用微观尺度管流模型,结合普通稠油流变特征,提出了在考虑稠油流变性条件下微观启动压力梯度计算方法.对渤海渤中18块不同渗透率岩心进行室内驱替实验,通过对实验数据的回归分析,得到不同粘度普通稠油油藏启动压力梯度与地层平均渗透率关系,并绘制了启动压力梯度的图版.将研究结果应用于普通稠油油藏,给出了利用启动压力梯度确定极限泄油半径及合理井距的理论计算方法.
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| 关 键 词： | 普通稠油 计算方法 流变性 启动压力梯度 极限泄油半径 |
| 文章编号： | 1006-6535（2006）04-0053-05 |
| 收稿时间： | 2006-03-29 |
| 修稿时间： | 2006-06-02 |
Starting pressure gradient calculation and its application in conventional heavy oil reservoir |
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| XU Jia-feng,CHENG Lin-song,LI Chun-lan,DING Yong.Starting pressure gradient calculation and its application in conventional heavy oil reservoir[J].Special Oil & Gas Reservoirs,2006,13(4):53-57. |
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| Authors: | XU Jia-feng CHENG Lin-song LI Chun-lan DING Yong |
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| Abstract: | The calculation method of microcosmic starting pressure gradient is put forward based on the model of pipe flowing and rheological behaviour of conventional heavy oil.Displacement experiments were carried out by using 18 cores of different permeability from the middle of Bohai oilfield.Regression analysis of the experiment data has provided the relationship between starting pressure gradient and average reservoir permeability of conventional heavy oils with different viscosity.Starting pressure gradient chart is also provided.This method can be used for conventional heavy oil reservoir to calculate ultimate drainage radius and reasonable well spacing through starting pressure gradient. |
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| Keywords: | conventional heavy oil calculation method rheology starting pressure gradient ultimate drainage radius |
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