Results 31 to 40 of about 20,000 (235)

Two-scale analysis of a tight gas sandstone

Physical Review E, 2016
Tight gas sandstones are low porosity media, with a very small permeability (i.e., below 1 mD). Their porosity is below 10%, and it is mainly composed of fine noncemented microcracks, which are present between neighboring quartz grains. While empirical models of permeability are available, their predictions, which do not compare well with macroscopic ...
Song, Yang, Davy, Catherine A., Nguyen, Kim Thang, Troadec, David, Hauss, Grégory, Jeannin, Laurent, Adler, Pierre M.   +6 more
openaire   +3 more sources

Preferential Paths of Air-water Two-phase Flow in Porous Structures with Special Consideration of Channel Thickness Effects. [PDF]

, 2019
Accurate understanding and predicting the flow paths of immiscible two-phase flow in rocky porous structures are of critical importance for the evaluation of oil or gas recovery and prediction of rock slides caused by gas-liquid flow.
A Ferrari, A Ferrari, A Khoei, A Scanziani, A Sokolichin, A Zidane, AA Keller, AG Yiotis, AQ Raeini, B Ling, C Chang, C Pan, C Xie, CY Zhang, D Kandhai, D Wildenschild, ES Boek, F Auzerais, F Basirat, HAA Amiri, HF Nordhaug, HS Suh, J Prüss, L Chen, M Auset, M Starnoni, M Sussman, MS Andreini, NK Karadimitriou, P Yue, PP Minh, PY Chuang, R Al-Raoush, R Helmig, R Hu, R Lenormand, S Berg, S Crone, S Ogawa, S Sirivithayapakorn, S Whitaker, SMV Gilfillan, T Tsuji, V Er, WB Lindquist, Y Chen, YS Wu, Z Liu, Z Sadjadi   +48 more
core   +2 more sources

Coupled thermal−gas−mechanical (TGM) model of tight sandstone gas wells [PDF]

Journal of Geophysics and Engineering, 2018
The mechanism of CO2 fracturing under coupled thermal−gas−mechanical (TGM) conditions is important for gas production in tight sandstone gas wells. In this study, a coupled TGM model was proposed on the basis of the elastic damage principal, and the coupling relationships were expressed by the governing equations.
Qi Zhang, Dan Ma, Yu Wu, Fanfei Meng
openaire   +1 more source

Anisotropic pore fabrics in faulted porous sandstones [PDF]

, 2017
Thanks to SEM technician Peter Chung at the University of Glasgow, David Wilde and Peter Greatbatch at Keele University for careful thin section preparation, Chris Wibberley and Tom Blenkinsop for input and Kieran Keith from Harlaw Academy, Aberdeen for ...
Farrell, Natalie, Healy, David
core   +1 more source

Report of Investigations No. 131 Origin and Diagenesis of Cap Rock, Gyp Hill and Oakwood Salt Domes, Texas [PDF]

, 1983
UT ...
Dutton, Shirley P., Kreitler, Charles W.
core   +1 more source

Biomineralization of primary carbonate cements: a new biosignature in the fossil record from the Anisian of Southern Italy

Lethaia, EarlyView., 2021
Biomineralization is a generic term used to indicate biological‐mediated mineral formation. In carbonate mineralization, nucleation of crystals can be: (1) controlled directly by the organisms, like in the skeletal formation of most metazoans; (2) induced by microbial communities, by indirect precipitation mediated by their metabolic activities; or (3)
Adriano Guido, Matteo Sposato, Giuseppe Palladino, Alessandro Vescogni, Domenico Miriello   +4 more
wiley   +1 more source

Model of cross-flow interference index and application for multi-layer commingled production in Sulige tight sandstone gas reservoir, Ordos Basin, China

Journal of Natural Gas Geoscience, 2023
Multi-layer commingled production is the main feature of gas well development in Sulige tight sandstone gas reservoir, Ordos Basin. Identifying potential interference between layers and devising methods for their characterization are crucial ...
Huaxun Liu, Shusheng Gao, Feifei Fang, Chunyan Jiao, Qi Li, Liyou Ye, Weiguo An, Jie Zhang   +7 more
doaj   +1 more source

Overcoming challenges in the classification of deep geothermal potential [PDF]

, 2015
The geothermal community lacks a universal definition of deep geothermal systems. A minimum depth of 400 m is often assumed, with a further sub-classification into middle-deep geothermal systems for reservoirs found between 400 and 1000 m.
Breede, K., Dzebisashvili, K., Falcone, G.   +2 more
core   +1 more source

Nuclear Magnetic Resonance and High-Speed Centrifugation for Gas-Water Relative Permeability Curve of Low-Permeability and Tight Sandstone [PDF]

E3S Web of Conferences
Gas-water relative permeability curve is the foundation of gas reservoir dynamic analysis and numerical simulation. It is generally obtained through gas displacing water experiment.
Yang Fenglai, Liu Huaxun, Gao Shusheng, He Sijie, Fang Feifei, Wang Cuili, Ye Liyou, Zhou Kun, Yang Xuejun, An Weiguo   +9 more
doaj   +1 more source

Experimental Investigation of Interfacial Tension Measurement and Oil Recovery by Carbonated Water Injection : A Case Study Using Core Samples from an Iranian Carbonate Oil Reservoir [PDF]

, 2017
The authors would like to gratefully acknowledge and appreciate the Department of Petroleum Engineering, Faculty of Engineering, Marvdasht Islamic Azad University, Marvdasht, 73711-13119, Iran, for the provision of the laboratory facilities necessary for
Afkhami Karaei, Mohammad, Azdarpour, Amin, Hamidi, Hossein, Honarvar, Bijan, Ing, James, Karimi, Mohammad, Mohammadian, Erfan, Rahimi, Ali   +7 more
core   +1 more source