Theoretical model for the responding time in low permeability reservoirs

4th International Conference on Advances in Energy Resources and Environment Engineering

能源学;生态环境科学

Xu, Hui^1 ; Wang, Jianjun^1 ; Li, Haowu^1 ; Qu, Tailai^1

PetroChina Research Institute of Petroleum Exploration and Development, Beijing

100083, China^1

关键词: Effect of water;    Flood response;    Medium deformation;    Responding time;    Stable state;    Successive substitutions;    Theoretical modeling;    Threshold pressure gradient;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/237/4/042014/pdf
DOI  :  10.1088/1755-1315/237/4/042014

学科分类：环境科学（综合）

来源: IOP

【 摘 要 】

As an important index in oilfield development, flood-response time can be used to describe the effect of water flooding in porous media. The responding time in low permeability reservoir is usually calculated by the method of stable state successive substitution neglecting the effect of medium deformation. Numerous studies show that the media deformation has an important impact on the development for low permeability reservoirs and can not be neglected. On the base of streamline tube model, we developed a method to interpret responding time with medium deformation factor. The results show that: the media deformation factor, threshold pressure gradient and well spacing have a significant effect on the flood response time. With the greater the media deformation factor, threshold pressure gradient or well spacing, the flooding response time becomes slower. As the angle with the main streamline increases, the water flooding response time delays as a "parabola" shape.