Flow simulation considering adsorption boundary layer based on digital rock and finite element method

Due to the low permeability of tight reservoirs, throats play a significant role in controlling fluid flow. Although many studies have been conducted to investigate fluid flow in throats in the microscale domain, comparatively fewer works have been devoted to study the effect of adsorption boundary...

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Bibliographic Details
Published in:Petroleum science Vol. 18; no. 1; pp. 183 - 194
Main Authors: Yang, Yong-Fei, Wang, Ke, Lv, Qian-Fei, Askari, Roohollah, Mei, Qing-Yan, Yao, Jun, Hou, Jie-Xin, Zhang, Kai, Li, Ai-Fen, Wang, Chen-Chen
Format: Journal Article
Language:English
Published: Beijing China University of Petroleum (Beijing) 01.02.2021
KeAi Publishing Communications Ltd
Subjects:
Adsorption
Boundary layers
Computational fluid dynamics
Computed tomography
Delaunay triangulation
Digital simulation
Earth and Environmental Science
Earth Sciences
Economics and Management
Energy Policy
Finite element analysis
Finite element method
Flow simulation
Fluid flow
Industrial and Production Engineering
Industrial Chemistry/Chemical Engineering
Mineral Resources
Original Paper
Permeability
Rocks
Segmentation
Simulation
Thickness
Throats
Tomography
Viscosity
Watersheds
Finite element method
Low-permeability rocks
CT technology
Numerical simulation
Adsorption boundary layer
Digital rock
ISSN:1672-5107, 1995-8226
Online Access:Get full text
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Summary:Due to the low permeability of tight reservoirs, throats play a significant role in controlling fluid flow. Although many studies have been conducted to investigate fluid flow in throats in the microscale domain, comparatively fewer works have been devoted to study the effect of adsorption boundary layer (ABL) in throats based on the digital rock method. By considering an ABL, we investigate its effects on fluid flow. We build digital rock model based on computed tomography technology. Then, microscopic pore structures are extracted with watershed segmentation and pore geometries are meshed through Delaunay triangulation approach. Finally, using the meshed digital simulation model and finite element method, we investigate the effects of viscosity and thickness of ABL on microscale flow. Our results demonstrate that viscosity and thickness of ABL are major factors that significantly hinder fluid flow in throats.
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ISSN:1672-5107
1995-8226
DOI:10.1007/s12182-020-00476-4