Vanadium: Global (bio) geochemistry

JH Huang, F Huang, L Evans, S Glasauer - Chemical Geology, 2015 - Elsevier
Redox-sensitive transition group elements are involved in almost all fundamental
geochemical processes. Of these elements, vanadium (V) contributes a particularly powerful …

Critical review on the analytical methods for the determination of sulfur and trace elements in crude oil

MA Gab-Allah, ES Goda, AB Shehata… - Critical Reviews in …, 2020 - Taylor & Francis
Determination of sulfur and deleterious trace elements in crude oil has long been an area of
active investigation and still attracting interest due to their undesirable economic …

Molecular markers, carbon isotopes, and rare earth elements of highly mature reservoir pyrobitumens from Sichuan Basin, southwestern China: Implications for …

Z Chen, BRT Simoneit, TG Wang, Z Ni, G Yuan… - Precambrian …, 2018 - Elsevier
Abstract The Moxi–Gaoshiti Bulge of the Sichuan Basin in southwestern China is unique
because it provides insights into the geochemistry of Lower Cambrian reservoir bitumens …

Re–Os dating of maltenes and asphaltenes within single samples of crude oil

SV Georgiev, HJ Stein, JL Hannah, R Galimberti… - … et Cosmochimica Acta, 2016 - Elsevier
Re–Os geochronology of oil may constrain the timing of oil formation and improve oil-source
and oil–oil correlations. Typically, asphaltene (ASPH), the heaviest and most Re–Os rich oil …

Discovery of oil bitumen co-existing with solid bitumen in the Lower Cambrian Longwangmiao giant gas reservoir, Sichuan Basin, southwestern China: Implications for …

C Shi, J Cao, X Tan, B Luo, W Zeng, W Hu - Organic Geochemistry, 2017 - Elsevier
Natural gas in the recently discovered Lower Cambrian Longwangmiao giant gas reservoir
of the Sichuan Basin in southwestern China has been considered to be from oil-cracking …

Source characterization of highly mature pyrobitumens using trace and rare earth element geochemistry: Sinian–Paleozoic paleo-oil reservoirs in South China

C Shi, J Cao, J Bao, C Zhu, X Jiang, M Wu - Organic Geochemistry, 2015 - Elsevier
Understanding the relationships between migrated hydrocarbons and source rocks under
highly mature conditions (ie, pyrobitumen–source correlation) is a critical and challenging …

Evaluating rare earth elements as a proxy for oil–source correlation. A case study from Aer Sag, Erlian Basin, northern China

P Gao, G Liu, C Jia, X Ding, Z Chen, Y Dong… - Organic …, 2015 - Elsevier
The use of rare earth elements (REE) for oil–source correlation has not yet been
established. In order to evaluate the potential of REE as proxies for oil–source correlation …

Elemental geochemistry and organic facies of selected cretaceous coals from the Benue Trough basin in Nigeria: Implication for paleodepositional environments

SA Akinyemi, OF Adebayo, HY Madukwe… - Marine and Petroleum …, 2022 - Elsevier
Benue Trough basin is geologically subdivided into three segments. It consists of marine
and continental sediments that are affected by folding movements. In the upper section, the …

Characteristics of trace elements in crude oil in the east section of the south slope of Dongying Sag and their application in crude oil classification

Z Niu, W Meng, Y Wang, X Wang, Z Li, J Wang… - Journal of Petroleum …, 2022 - Elsevier
The east section of the south slope of the Dongying Sag is rich in oil and gas resources, with
diverse reservoir types and complex physical properties of crude oil. It has typical …

Geochemical characteristics and hydrocarbon potential of cretaceous upper shale unit, lower Indus Basin, Pakistan

S Ihsan, T Fazeelat, F Imtiaz, A Nazir - Petroleum Science and …, 2022 - Taylor & Francis
This study focuses on the geochemical investigation of source rock samples from three
different wells of upper shale unit (Lower Goru Formation; Lower Indus Basin). Samples …