| 油藏水平井产能预测数值模拟研究 |
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| 引用本文： | 王雷,张士诚.油藏水平井产能预测数值模拟研究[J].新疆石油天然气,2011,7(2). |
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| 作者姓名： | 王雷 张士诚 |
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| 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. 中国石油大学,石油工程学院,北京 102249 |
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| 摘 要： | 根据油藏内流体的流动模型和水平井筒内流体的流动模型,建立了油藏-水平井筒流动的耦合模型,模型中考虑了油层各向异性、重力及毛管力的影响,采用全隐式方法对模型进行求解。运用该模型对影响水平井产量的地质和生产参数进行分析,结果表明水平井段长度、油层渗透率、油层厚度、井底流压和井筒直径都是影响水平井产能的重要因素。在地质因素方面渗透率较高的油层,可以获得较大的水平井产量;油层厚度越大产量递减的越慢,后期产量越高。在生产参数方面增大水平井筒长度、降低井底压力以及增大水平井筒直径都可以相应的提高水平井的产量。
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| 关 键 词： | 水平井 井筒压降 产能预测 数值模拟 流动耦合 |
NUMERICAL SIMULATION STUDY ON PRODUCTIVITY PREDICTION OF HORIZONTAL WELL IN OIL RESERVOIR |
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| Wang Lei,Zhang Shi-cheng.Faculty of Petroleum Engineering,China University of Petroleum,Beijing ,China.NUMERICAL SIMULATION STUDY ON PRODUCTIVITY PREDICTION OF HORIZONTAL WELL IN OIL RESERVOIR[J].Xinjiang Oil & Gas,2011,7(2). |
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| Authors: | Wang Lei Zhang Shi-chengFaculty of Petroleum Engineering China University of Petroleum Beijing China |
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| Affiliation: | Wang Lei,Zhang Shi-cheng.Faculty of Petroleum Engineering,China University of Petroleum,Beijing 102249,China |
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| Abstract: | According to fluid flow model in reservoir and flow model in horizontal well tube,the coupling flow model of reservoir-horizontal well tube was built.The influence of reservoir anisotropy,gravity and capillary force was considered and fully implicit method was adopted in the model.Geology parameters and production parameters were analyzed by this model.The results indicate that the length of horizontal section,reservoir permeability,reservoir thickness,bottom hole flow pressure and horizontal wellbore diame... |
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| Keywords: | horizontal well wellbore pressure drop productivity prediction numerical simulation flow coupling |
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