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各向异性稠油油藏水平井产能预测模型 被引量:7

A Productivity Prediction Model of Horizontal Wells in Heterogeneous Heavy Oil Reservoirs
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摘要 为研究各向异性稠油油藏水平井产能预测模型,将稠油视为宾汉和幂律两类流体类型。基于各向异性理论,推导了宾汉流体型和幂律流体型稠油油藏水平井产能预测新模型,该模型可用于分析各向异性因子对产能预测的影响,并进一步与基于各向同性理论推导的水平井产能预测模型进行比较,初步探讨了影响产能预测的因素。结果表明,油藏各向异性程度对水平井产能预测有明显影响,非均质性越强,新模型的预测结果与各向同性模型的差异越大,且两类流体的各向同性模型预测结果都偏高。 The heavy oil were assumed to be Bingham fluid and power law fluid in order to investigate the productivity prediction model of horizontal wells in heterogeneous heavy oil reservoirs. Based on the heterogeneous percolation theory, the well productivity prediction model was derived by assuming the heavy oil as Bingham fluid or power law fluid. This model can be used to analyze the impacts of heterogeneous factors the productivity. This model was further compared with the productivity model based on homogeneous percolation theory, and the parameters impacting the productivity were investigated. The results indicate that the heterogeneity degree has obvious impacts on the horizontal well's productivity, the more the heterogeneous, the bigger the difference in the predicted productivity lies between the new model and the model based on homogeneous percolation theory, and the model based on homogeneous percolation theory over-predicts the productivity by assuming heavy oil as Bingham fluid or power law fluid.
出处 《石油钻探技术》 CAS 北大核心 2007年第3期85-87,共3页 Petroleum Drilling Techniques
关键词 各向异性 稠油油藏 水平井 产能预测 数学模型 anisotropy viscous oil reservoir horizontal well productivity forecast mathematical model
作者简介 管英柱(1972-),男,吉林白山人,2004年毕业于成都理工大学油气田开发专业,在读博士研究生。联系电话:(028)66304078
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