[1]赵振峰,唐梅荣,杜现飞,等. 压裂水平井非稳态产能分析与影响因素研究——以鄂尔多斯长庆致密油为例[J].深圳大学学报理工版,2017,34(No.6(551-660)):647-654.
 Zhao Zhenfeng,Tang Meirong,Du Xianfei,et al. Factors affecting rate transient analysis of fractured horizontal well in tight oil reservoir——Erdos Basin Changqing tight oil[J].Journal of Shenzhen University Science and Engineering,2017,34(No.6(551-660)):647-654.
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 压裂水平井非稳态产能分析与影响因素研究
——以鄂尔多斯长庆致密油为例
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《深圳大学学报理工版》[ISSN:1000-2618/CN:44-1401/N]

卷:
第34卷
期数:
2017年No.6(551-660)
页码:
647-654
栏目:
环境与能源
出版日期:
2017-11-30

文章信息/Info

Title:
 Factors affecting rate transient analysis of
fractured horizontal well in tight oil reservoir
——Erdos Basin Changqing tight oil
作者:
 赵振峰1唐梅荣1杜现飞1安杰1蔡明玉2苏玉亮2王文东2
 1)中国石油长庆油田公司油气工艺研究院,陕西西安 710021;
2)中国石油大学(华东)石油工程学院,山东青岛 266580
Author(s):
Zhao Zhenfeng1 Tang Meirong1 Du Xianfei1 An Jie1 Cai Mingyu2 Su Yuliang2 and Wang Wendong2
 

1) Technology Research Institute, PetroChina Changqing Oilfield Company, Xian 710021, Shanxi

Province
2) College of Petroleum Engineering, China University of Petroleum (East Chia), Qingdao

266580, Shandong Province

关键词:
 致密油藏压裂水平井有限元不稳定产量分析储层改造体积信息量分析
Keywords:
 tight oil reservoir fractured horizontal well finite element rate transient

analysis stimulated reservoir volume information analysis method

文献标志码:
A
摘要:
 

在致密油储层中,为研究储层改造参数对压裂水平井非稳态流动特征的影响,进而有效地对压裂水平

井进行产能预测,基于复杂缝网特征,建立了缝网双重介质压裂水平井渗流数学模型,并采用有限元方法对

模型进行数值求解.结合长庆油田Z183井区致密油资料,通过对比不同改造方式及不同储层改造体积模式的

模型计算结果,分析压裂水平井非稳态产量特征,并采用信息量分析法对压裂水平井产能影响因素进行研究

.研究发现,储层改造带宽与初期线性流动阶段持续时间和压裂水平井产能正相关,与产量下降时间负相关

;各主要因素按影响的显著程度从小到大依次为:主裂缝半长、水平井段长度、主裂缝导流能力和裂缝条数

;次要影响因素包括基质渗透率、孔隙度和裂缝簇数等.

Abstract:
 To account for the influence of reservoir modification to characteristics of

unsteady-state flow, and then forecast the product capacity of horizontal well in tight oil

reservoir, dual-porosity fracture network flow simulation model is established and finite

element method is introduced for numerical solution. Field data of Z183 is used to study the

characteristics of unsteady-state production and the impact factors of fractured well

transient performance by information analysis method. The result shows that the fair-width

increase is related to lower decline rate at early time and the greater well production in

the life time. We evaluate factors of transient behavior: half-length of hydraulic fracture,

length of horizontal wellbore, conductivity of hydraulic fracture and fracture stage, which

are main factors. We also evaluate the other factors such as matrix permeability, porosity and

fracture cluster.

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更新日期/Last Update: 2017-10-09