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| 低渗透油藏油井产能预测新方法 | |
| 引用本文： | 何岩峰,吴晓东,韩增军,赵军,张立会.低渗透油藏油井产能预测新方法[J].中国石油大学学报(自然科学版),2007,31(5):69-73. |
| 作者姓名： | 何岩峰 吴晓东 韩增军 赵军 张立会 |
| 作者单位： | 1. 中国石油大学,石油工程教育部重点实验室,北京,102249 2. 中国石油大庆油田公司,第九采油厂,黑龙江,大庆,163853 3. 中联煤层气有限责任公司,国际合作部,北京,100011 4. 中国石油青海油田分公司,钻采工艺研究院,甘肃,敦煌,736202 |
| 摘 要： | 为了准确预测低渗透油藏油井的产能,基于达西公式,考虑高压和低压状态下油藏流体性质以及启动压力梯度对渗流规律的影响,推导了新的低渗透油藏油井组合型产能预测模型。给出了极限井底流压和产量拐点的求解方法,分析了启动压力梯度、流体性质等因素对低渗透油藏油井产能的影响。将新模型与现有模型的预测结果进行了对比,并用实测数据进行了验证。结果表明,新模型预测出的流入动态关系更接近于实测数据,准确度较高,能用于工程计算。 |
| 关 键 词： | 低渗透油藏 达西公式 启动压力梯度 产能预测 |
| 文章编号： | 1673-5005（2007）05-0069-05 |
| 修稿时间： | 2007-05-23 |
New prediction method of oil well deliverability of low permeability reservoir |
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| HE Yan-feng,WU Xiao-dong,HAN Zeng-jun,ZHAO Jun,ZHANG Li-hui.New prediction method of oil well deliverability of low permeability reservoir[J].Journal of China University of Petroleum,2007,31(5):69-73. | |
| Authors: | HE Yan-feng WU Xiao-dong HAN Zeng-jun ZHAO Jun ZHANG Li-hui |
| Institution: | 1. MOE Key Laboratory of Petroleum Engineering in China University of Petroleum, Bering 102249, China; 2. 9th Oil Production Plant of Daqing Oilfield Company, PetroChina, Daqing 163853, Heilongjiang Province, China; 3, Department of International Cooperation of China United Coalbed Methane Corporation Limitted, Beijing 100011, China ; 4. Drilling and Production Technology Research Institute of Qinghai Oilfield Company, PetroChina , Dunhuang 736202, Gansu Province, China |
| Abstract: | In order to predict oil well deliverability of low permeability reservoir accurately, a combination deliverability prediction model was presented based on Darcy law. The effects of reservoir fluid property in high and low pressure and the starting pressure gradient on the percolation laws were taken into account in this model. The solution methods of ultimate bottomhole producing pressure and production turning point in inflow performance relation curve were given out. And the effects of reservoir fluid property and the starting pressure gradient on the oil well deliverability in low permeability reservoir were analyzed. The prediction results of the new model were compared with that of old models and verified with real data. It is proved that the new method has high accuracy and can be used in engineering calculation. |
| Keywords: | low permeability reservoir Darcy equation starting pressure gradient deliverability prediction |
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