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 …

Favorable exploration lithofacies and their formation mechanisms in lacustrine shales deposited under different salinity conditions: insights into organic matter …

E Wang, T Guo, M Li, L **ong, X Dong, T Wang… - Energy & …, 2023 - ACS Publications
Efficient identification of favorable exploration lithofacies with commercial value is of utmost
importance in lacustrine shale petroleum exploration. Shales deposited under different …

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 …

[HTML][HTML] New progresses of fine-grained sediment gravity-flow deposits and their importance for unconventional shale oil and gas plays

T Yang, YL Liu - Petroleum Science, 2024 - Elsevier
Fine-grained sediments are widely distributed and constitute the most abundant component
in sedimentary systems, thus the research on their genesis and distribution is of great …

Mineral diagenesis in lacustrine organic-rich shales: Evolution pathways and implications for reservoir characteristics

Y Yan, M Wang, D Misch, RF Sachsenhofer… - Journal of Asian Earth …, 2024 - Elsevier
Porosity in shale reservoirs is profoundly influenced by diagenetic processes that shape the
evolution of pore space. In the Songliao Basin, the first member of the Qingshankou …

Lake-level-fluctuation control on shale oil enrichment of the salinized lacustrine organic-rich shale in the Paleogene Biyang Depression, East China

Y Song, L Wan, S Xu, B Gao, C Li, Z Li, P Paerzhana - Minerals, 2024 - mdpi.com
The paleolake level, which is controlled by the moisture balance (precipitation minus
evaporation) within the lake basin, is a significant factor in determining the deposition of …

[HTML][HTML] Microfacies and diagenetic alteration in a semi-deep to deep lacustrine shale: The Yanchang Formation in the Ordos Basin, China

B Bai, JY Hao, L Fu, YX Liu, JP Wang, L Wang… - Petroleum Science, 2024 - Elsevier
The mineralogical development and diagenetic sequence of lacustrine shales in the Chang
7 Member of the Yanchang Formation in the Ordos Basin are detailed studied. A model of …

Study on the relationship between shale organic matter development and paleowater depth—A new understanding of the condensed section

M **e, S Guo - Marine and Petroleum Geology, 2024 - Elsevier
Recent studies dispute the long-standing belief that highly organic-rich shales are
predominantly linked to condensed section (CS) at the maximum flooding surface (MFS) …

Molecular dynamics simulation of the surface wettability of typical minerals in shale

J Chen, K Shi, F Jiang, X Yang, Y Wang… - Geological …, 2023 - Wiley Online Library
Nanoscale pores are an important storage space in shale petroleum reservoirs. Mineral
surface wettability significantly affects the adsorption ability of a fluid, and it is of great …

[HTML][HTML] Influence of the sedimentary environment of the Wufeng-Longmaxi shale on organic matter accumulation in the Dingshan area, Sichuan Basin

Q Wang, Y Feng, P Gao, G Meng, C Lu, Q Fan… - Frontiers in Earth …, 2024 - frontiersin.org
The sedimentary environment and organic matter (OM) accumulation are vital indicators for
shale gas exploration. However, research on deep shale gas systems is relatively limited; …