A Novel Oil-Water Two-Phase Flow Numerical Simulation Method In Tight Sandstone Reservoirs

被引：0

作者：

Lei, Zhanxiang ^{[1
]}

Zeng, Baoquan ^{[1
]}

Wang, Bin ^{[1
]}

Huang, Fei ^{[1
]}

Xu, Hui ^{[1
]}

Zhang, Muzhen ^{[1
]}

Wu, Shucheng ^{[1
]}

Qu, Tailai ^{[1
]}

机构：

[1] PetroChina Res Inst Petr Explorat & Dev, Beijing 100083, Peoples R China

来源：

2020 6TH INTERNATIONAL CONFERENCE ON ADVANCES IN ENERGY, ENVIRONMENT AND CHEMICAL ENGINEERING, PTS 1-5 | 2020年 / 546卷

关键词：

CAPILLARY-PRESSURE; MODEL; GAS;

D O I：

10.1088/1755-1315/546/5/052024

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

As a crucial factor affecting water flooding in tight sandstone reservoirs, dynamic capillary pressure (DCP) has significant impact on the production performance during oil-water flow. In this work, a novel numerical simulation method with DCP is developed to study oil displacement in tight sandstone reservoirs. Based on this new model, the impacts from DCP to water/oil displacement (or water flooding effects) are analysed. The results of this work show that the effects brought by dynamic capillary pressure cannot be neglected. The more significant dynamic effects of capillary pressure correspond to the sample with lower permeability. The effect of DCP is probably a major contributor to non-linear flow (non-Darcy flow) in tight sandstone reservoirs during water flooding process. Compared with the conventional flow theory (e.g., static capillary pressure theory), our derived model with DCP can help to reduce the uncertainty in water/oil flow in tight sandstone reservoirs.

引用

页数：5

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