Well pattern optimization in a low permeability sandstone reservoir: a case study from Erlian Basin in China

International Conference on Energy Engineering and Environmental Protection 2017

能源学;生态环境科学

Wang, Xia^1 ; Fu, Lixia^1 ; Yan, Aihua^1 ; Guo, Fajun^1 ; Wu, Cong^1 ; Chen, Hong^1 ; Wang, Xinying^1 ; Lu, Ming^1

Huabei Oilfield Company, Petrochina, Renqiu

062550, China^1

关键词: Comprehensive analysis;    Density of well pattern;    Development modes;    Development wells;    Economic limit;    Economic rationality;    Low-permeability sandstone reservoirs;    Oil reservoir engineerings;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/121/5/052003/pdf
DOI  :  10.1088/1755-1315/121/5/052003

学科分类：环境科学（综合）

来源: IOP

【 摘 要 】

Study on optimization of development well patterns is the core content of oilfield development and is a prerequisite for rational and effective development of oilfield. The study on well pattern optimization mainly includes types of well patterns and density of well patterns. This paper takes the Aer-3 fault block as an example. Firstly, models were built for diamond-shaped inverted 9-spot patterns, rectangular 5-spot patterns, square inverted 9-spot patterns and inverted 7-spot patterns under the same well pattern density to correlate the effect of different well patterns on development; secondly, comprehensive analysis was conducted to well pattern density in terms of economy and technology using such methods as oil reservoir engineering, numerical simulation, economic limits and economic rationality. Finally, the development mode of vertical well + horizontal well was presented according to the characteristics of oil reservoirs in some well blocks, which has realized efficient development of this fault block.