Results 1 to 10 of about 46,464 (262)

Digital Rock Art: beyond 'pretty pictures' [version 1; peer review: 2 approved, 1 approved with reservations] [PDF]

F1000Research, 2023
The term ‘Rock Art’ is loosely used in this article to refer to prehistoric carvings and paintings. Rock art research has changed profoundly in the last two decades.
Sofia Figueiredo Persson, Joana Valdez-Tullett   +1 more
doaj   +4 more sources

Comparative analysis and verification on broken rock zone of model test based on multiple testing methods [PDF]

Scientific Reports
There is no mature method for identifying and monitoring the broken rock zone. Taking the two-level west wing track roadway of Chengjiao Coal Mine as the engineering background, the model tests with four schemes were carried out, and the broken rock zone
Gang Liu, Zijian Liu, Yingcheng Luan, Jie Xian   +3 more
doaj   +2 more sources

Reconstruction of 3D multi-mineral shale digital rock from a 2D image based on multi-point statistics

Frontiers in Earth Science, 2023
Introduction: Shale oil and gas reservoirs contain a variety of inorganic and organic pores that differ significantly from conventional reservoirs, making traditional experiments ineffective.
Lei Liu, Lei Liu, Jun Yao, Jun Yao, Gloire Imani, Gloire Imani, Hai Sun, Hai Sun, Lei Zhang, Lei Zhang, Yongfei Yang, Yongfei Yang, Kai Zhang, Kai Zhang   +13 more
doaj   +1 more source

Large-volume FIB-SEM 3D reconstruction: An effective method for characterizing pore space of lacustrine shales

Frontiers in Earth Science, 2023
Focused ion beam scanning electron microscopy (FIB-SEM) is a commonly used three-dimensional (3D) pore-network reconstruction method for shales due to its unique capability in imaging nano-scale pores.
Fan Yuchen, Liu Keyu, Liu Keyu
doaj   +1 more source

Numerical Simulation of Fluid Flow in Carbonate Rocks Based on Digital Rock Technology

Energies, 2022
Strong heterogeneity, low matrix permeability, and complex oil–water interaction make the fluid flow in carbonate rocks extremely complicated. In this study, we quantitatively characterize and simulate single-phase and multiphase flows with multiscale ...
Yong Hu, Jiong Wei, Tao Li, Weiwei Zhu, Wenbo Gong, Dong Hui, Moran Wang   +6 more
doaj   +1 more source

Evaluation of Porous Media Using Digital Core Analysis by Pore Network Modeling Method: A Comprehensive Review [PDF]

Journal of Chemical and Petroleum Engineering, 2023
Digital rock technology has emerged as a powerful tool for analyzing reservoir rocks in the petroleum industry. Technically, Digital Rock Physics (DRP) is an effective method for determining reservoir rock properties.
Alireza Jani, Hamid Zafari Dehkohneh, Saeed Khajeh Varnamkhasti, Arash Farhadi, Mehdi Bahari Moghadam   +4 more
doaj   +1 more source

Quantitative characterization of organic and inorganic pores in shale based on FIB-SEM

Frontiers in Earth Science, 2022
The pore structures of shale in the Shahejie formation of Dongying depression were quantitatively characterized by FIB-SEM three-dimensional imaging technology.
Jianpeng Zhao, Jianpeng Zhao, Hui Chen, Jinyan Zhang, Wenjiao Zhang, Gang Chen   +5 more
doaj   +1 more source

Machine learning prediction of tortuosity in digital rock

JGEET: Journal of Geoscience, Engineering, Environment and Technology, 2023
Physical rock property measurement is an important stage in energy exploration, both for hydrocarbons and geothermal sources. The value of physical rock properties can provide information about reservoir quality, and one of these properties is tortuosity.
Fadhillah Akmal, M. Cisco Ramadhan Dzulizar, Muhammad Faizal Rafli, Fatimah Az-Zahra, M. I. Khoirul Haq, Irwan Ary Dharmawan   +5 more
doaj   +1 more source

Establishing a digital health platform in an academic medical center supporting rural communities

Journal of Clinical and Translational Science, 2020
The University of Arkansas for Medical Sciences (UAMS), like many rural states, faces clinical and research obstacles to which digital innovation is seen as a promising solution.
Anita Walden, Aaron S. Kemp, Linda J. Larson-Prior, Thomas Kim, Jennifer Gan, Hannah McCoy, Nalin Payakachat, Wendy Ward, Hari Eswaran   +8 more
doaj   +1 more source

A New Multi-Scale Method to Evaluate the Porosity and MICP Curve for Digital Rock of Complex Reservoir

Energies, 2023
The evaluation of rock porosity and the mercury injection capillary pressure (MICP) curve is fundamental for oil and gas exploration and production. Digital rock (DR) technology, incorporating 3D micro-CT imaging and numerical methods, has been widely ...
Ting Xiong, Ming Chen, Yuan Jin, Wei Zhang, Haipeng Shao, Guanqun Wang, Ethan Long, Wei Long   +7 more
doaj   +1 more source