Evidence and significance of methanogenesis in paleo-oil reservoirs in Junggar Basin, NW China

W Zhang, W Hu, X Wang, J Cao, S Yao… - Journal of Asian Earth …, 2024 - Elsevier
Methanogenesis is considered to be the dominant type of biodegradation in subsurface oil
reservoirs; however, this process is difficult to identify under geological environments. In this …

Synergy of analytical approaches enables a robust assessment of the Brazil mystery oil spill

CM Reddy, RK Nelson, UM Hanke, X Cui… - Energy & …, 2022 - ACS Publications
From August 2019 to June 2021, viscous oil residues appeared along the Brazilian coast
spanning 11 states and more than 3,000 km of tropical shoreline. Forensic results published …

Tracing the geochemical imprints of Maastrichtian black shales in southern Tethys, Egypt: Assessing hydrocarbon source potential and environmental signatures

D Fathy, A Baniasad, R Littke, M Sami - International Journal of Coal …, 2024 - Elsevier
This study conducted comprehensive bulk and molecular geochemical analyses, as well as
elemental investigations, on seventeen black shale samples collected from the Upper …

Correlation and difference between conventional and unconventional reservoirs and their unified genetic classification

X Pang, X Shao, M Li, T Hu, Z Chen, K Zhang… - Gondwana …, 2021 - Elsevier
The discovery and large-scale exploration of unconventional oil/gas resources since 1980s
have been considered as the most important advancement in the history of petroleum …

Origins of Palaeozoic oils in the Tarim Basin: Evidence from sulfur isotopes and biomarkers

C Cai, C Zhang, L Cai, G Wu, L Jiang, Z Xu, K Li, A Ma… - Chemical …, 2009 - Elsevier
Crude oil, H2S and pyrite samples from Palaeozoic formations in the Tarim Basin have been
analyzed for δ34S values together with oil samples for biomarkers, and fluid inclusions for …

Alkane and PAH provenance and potential bioavailability in coastal marine sediments subject to a gradient of anthropogenic sources in British Columbia, Canada

MB Yunker, RW Macdonald, PS Ross… - Organic …, 2015 - Elsevier
Marine coastal areas of British Columbia, Canada are subject to a gradient of increasing
anthropogenic sources from pristine areas in the north to the more urbanised areas of the …

Light hydrocarbons and diamondoids of light oils in deep reservoirs of Shuntuoguole Low Uplift, Tarim Basin: Implication for the evaluation on thermal maturity …

Z Chai, Z Chen, H Liu, Z Cao, B Cheng, Z Wu… - Marine and Petroleum …, 2020 - Elsevier
Abstract The Shuntuoguole Low Uplift in Tarim Basin is particular because it provides
insights into geochemistry of light oils at ultra-deep Ordovician oil reservoirs (7200–8200 m) …

Charging of the Neogene Penglai 19-3 field, Bohai Bay Basin, China: Oil accumulation in a young trap in an active fault zone

F Hao, X Zhou, Y Zhu, X Bao, Y Yang - AAPG bulletin, 2009 - pubs.geoscienceworld.org
Abstract The Penglai 19-3 (PL19-3) oil field, the largest offshore oil field in China, was found
in shallow reservoirs (700–1700 m, 2297–5577 ft) within the most active fault zone in east …

Alteration and multi-stage accumulation of oil and gas in the Ordovician of the Tabei Uplift, Tarim Basin, NW China: Implications for genetic origin of the diverse …

G Zhu, S Zhang, J Su, B Zhang, H Yang, Y Zhu… - Marine and Petroleum …, 2013 - Elsevier
The Ordovician is the most important exploration target in the Tabei Uplift of the Tarim Basin,
which contains a range of petroleum types including solid bitumen, heavy oil, light oil …

Geochemistry of Paleozoic marine oils from the Tarim Basin, NW China. Part 4: Paleobiodegradation and oil charge mixing

S Zhang, H Huang, J Su, G Zhu, X Wang, S Larter - Organic Geochemistry, 2014 - Elsevier
Fifty-three oil samples from Paleozoic marine reservoirs of the Tarim Basin were analyzed
by GC–FID and GC–MS to elucidate the influence of biodegradation and mixing on …