Restoration of sedimentary environment and geochemical features of deep marine Longmaxi shale and its significance for shale gas: A case study of the Dingshan …

Y Feng, X **ao, P Gao, E Wang, D Hu, R Liu… - Marine and Petroleum …, 2023 - Elsevier
With the urgent need to increase shale gas production and reserves, deep shale gas has
gradually become an important target for further exploration in China. However, there is still …

Quartz types and origins of the Upper Permian Dalong Formation shale of the Sichuan Basin: Implications for pore preservation in deep shale reservoirs

P Gao, X **ao, G Meng, GG Lash, S Li, Y Han - Marine and Petroleum …, 2023 - Elsevier
Quartz is critical to reservoir properties (eg, rock mechanical behavior and porosity) of
organic mudstones, exerting an important effect on shale gas production. However, the …

Influence of quartz types on rock fabrics and bulk physical properties in organic-rich mudstone: A review

J Peng, Z Hu, D Feng - Earth-Science Reviews, 2024 - Elsevier
Quartz is one of the most volumetric abundant minerals and can occur in a wide variety of
forms, such as detrital grains and authigenic cements, in organic-rich mudstones. Despite …

Advances in microscopic pore structure characterization of fine-grained mudrocks

Y Wang, H Cheng - Energy & Fuels, 2023 - ACS Publications
The microscopic structure of the pore system in fine-grained mudrocks provides spaces for
hydrocarbon percolation, migration, and occurrence. It exhibits strong heterogeneity due to …

Nanopore structure characteristics and evolution of type III kerogen in marine-continental transitional shales from the Qinshui basin, northern China

C Lu, X **ao, H Gai, Y Feng, G Li, G Meng… - Geoenergy Science and …, 2023 - Elsevier
Marine-continental transitional (MCT) shale gas, owing to its great potentials in China, has
become a new field of exploration and development following marine shale gas. However …

Water distribution in pore systems and its influences on gas-bearing property of deep shale: A case study of the Longmaxi Formation in the Luzhou area, southern …

Y Feng, X **ao, P Gao, D Hu, R Liu, G Li, C Lu… - Marine and Petroleum …, 2024 - Elsevier
Abstract The deeply-buried (> 3500 m) Longmaxi Formation (LMX) shale in the southern
Sichuan Basin, China, has become an attractive target for shale gas exploration owing to its …

A review of the heterogeneity of organic-matter-hosted pores in shale reservoirs

Y Zhao, P Gao, Q Zhou, X **ao, Y **ng, W Liu - Energies, 2022 - mdpi.com
Organic-matter-hosted pores are fundamental pore spaces in shale reservoirs, which largely
control the expulsion and storage of oil and gas. However, the strong heterogeneity of …

Fractal Characteristics of Nanopores and Their Controlling Factors of the Lower Cambrian Shale in the Western Hubei Area, South China

G Li, P Gao, C Lu, Y Feng, G Meng, D Li, X **ao - Energy & Fuels, 2023 - ACS Publications
The Lower Cambrian shale is one of the most important marine shale reservoirs in South
China, which has huge potential for shale gas resources. However, the Lower Cambrian …

Comparison of silica diagenesis between the lower Cambrian and lower Silurian shale reservoirs in the middle–upper Yangtze platform (southern China)

P Gao, X **ao, D Hu, GG Lash, R Liu… - AAPG …, 2024 - pubs.geoscienceworld.org
The lower Cambrian and lower Silurian shale reservoirs of southern China display
significant differences in pore characteristics that may reflect the varying effects of silica …

The organic petrology of vitrinite-like maceral in the Lower Paleozoic shales: Implications for the thermal maturity evaluation

J Wu, Q Luo, Y Zhang, N Zhong, F Goodarzi… - International Journal of …, 2023 - Elsevier
Vitrinite-like maceral (VLM) is a type of autochthonous, synsedimentary, dispersed organic
matter, which is ubiquitous in many Lower Paleozoic marine shales. The VLM reflectance …