24–25 Sept 2024
School of Mechanical Engineering, University of Tehran
Asia/Tehran timezone

پیش بینی خواص سنگ مخزن در مقیاس حفره به کمک فیزیک سنگ دیجیتال

24 Sept 2024, 09:45
15m
School of Mechanical Engineering, University of Tehran

School of Mechanical Engineering, University of Tehran

College of Engineering, University of Tehran
Oral Presentation Digital Rocks / Machine Learning Parallel Session 4

Speaker

Mohammadreza Pilehkouhi (Student)

Description

This study focuses on the characterization of reservoir rock characteristics to improve hydrocarbon recovery, groundwater management, and geothermal energy extraction. Traditional methods for determining properties such as porosity, permeability, and pore size distribution are often labor-intensive and time-consuming. Instead, this research uses a pore network model to simulate and analyze fluid flow in porous networks. This study describes the process of creating digital pore network models from microCT images, calibrating them with experimental data, and extracting petrophysical properties through simulation. Analysis of a carbonate rock formation shows a porosity of 14.03%, which indicates limited pore space for fluid storage and flow. The tortuosity value of 2.96 indicates a complex pore network that prevents fluid movement. Despite the low formation resistance factor (0.2), which implies good continuity, the molar flow rate is low, which corresponds to the reduction of effective porosity. 1.00046 ohm meter as rock resistance and 0.20009 ohm meter indicates the presence of hydrocarbon. The effective release value of 2.1879 is an effective factor in fluid extraction due to the inherent properties of the reservoir, which causes the level of this parameter to be low. Overall, these findings indicate that the reservoir has limited productivity, which requires improved mining techniques.

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Primary author

Co-author

Dr Saeid Sadeghnejad (Department of Petroleum Engineering, Faculty of Chemical Engineering, Tarbiat Modares University, Tehran, Iran)

Presentation materials

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