Results 51 to 60 of about 6,860 (216)

The Unexpected Discovery of Paleocene? Coals in Outcrops Thought to Be Cambrian, Al Huqf, Oman

Journal of Petroleum Geology, EarlyView.
ABSTRACT Two brown organic deposits were encountered whilst investigating kaolinitic claystones thought to occur at the base of a Cambrian formation at outcrop. The age of these organic deposits is probably Paleocene from palynology. Organic petrography shows that they are subbituminous coals with some oil source potential.
Mohammed H. Al Kindi, Alan P. Heward, Lorraine B. Eglinton, Steve R. Packer, Darrin T. Stead   +4 more
wiley   +1 more source

High sulphur oil of Type II kerogen of the oil shales from Western Central Jordan based on molecular structure and kinetics

Scientific Reports
Organic rich sedimentary rocks of the Late Cretaceous Muwaqqar Formation from the Lajjun outcrop in the Lajjun Sub-basin, Western Central Jordan were geochemically analyzed.
Mohammed Hail Hakimi, Mohammad Alqudah, Khairul Azlan Mustapha, Ali Y. Kahal, Mahdi Ali Lathbl, Afikah Rahim, Mikhail A. Varfolomeev, Danis K. Nurgaliev, Ameen A. Al-Muntaser, Shadi A. Saeed   +9 more
doaj   +1 more source

Air oxidation of the kerogen/asphaltene vanadyl porphyrins: An electron spin resonance study [PDF]

Journal of the Serbian Chemical Society, 2000
The thermal behavior of vanadyl porphyrins was studied by electron spin resonance during heating of kerogens, isolated from the La Luna (Venezuela) and Serpiano (Switzerland) bituminous rocks, at 250ºC for 1 to 20 days in the presence of air ...
Premović Pavle I., Tonsa Ivana R., Đorđević Dragan M., Pavlović Mirjana S.   +3 more
doaj   +1 more source

1D Basin Modelling of Upper Jurassic to Upper Cretaceous Source Rocks in the Southern Pletmos Sub‐Basin, Outeniqua Basin, Offshore South Africa

Journal of Petroleum Geology, EarlyView.
ABSTRACT The Pletmos sub‐basin in the Outeniqua Basin, offshore South Africa, is divided by the Superior, Pletmos and Plettenberg faults into northern and southern depocentres. In this study, geological and organic geochemical data together with 1D basin modelling were used to investigate the burial, thermal and maturation histories, and the timing of ...
Fritz Ako Agbor, Sanelisiwe Mhlambi, Nimuno Achu Teumahji, Wasiu Adedayo Sonibare, Jan van Bever Donker   +4 more
wiley   +1 more source

Cretaceous-tertiary boundary layer at Stevns Klint (Denmark): Copper and copper(II) porphyrins [PDF]

Journal of the Serbian Chemical Society, 1999
High concentrations (up to 4000 ppm) of copper(II) porphyrins have been detected in the kerogen of the Cretaceous/Tertiary (KT) boundary informal type sediment, the Fish Clay, at Stevns Klint, Denmark.
Premović Pavle I., Nikolić Nikola D., Tonsa Ivana R., Dulanović Dejan T., Pavlović Mirjana S.   +4 more
doaj   +1 more source

Postdiagenetic Changes in Kerogen Properties and Type by Bacterial Oxidation and Dehydrogenation

Molecules, 2022
A significant part of organic carbon found on the earth is deposited as fossil organic matter in the lithosphere. The most important reservoir of carbon is shale rocks enriched with organic matter in the form of kerogen created during diagenesis.
Agnieszka Wilamowska, Marta Koblowska, Renata Matlakowska   +2 more
doaj   +1 more source

Porosity Preservation in Deeply Buried (8500 m) Jurassic Calcareous Mudstones of the Vienna Basin (Austria)

Terra Nova, EarlyView.
ABSTRACT Significant porosity of more than 5% was found at depths of more than 8500 m in poorly sorted, calcareous mudstones of the Malmian Mikulov Formation. These overpressured rocks are the main hydrocarbon source rock in the Vienna Basin. Core samples from present‐day depths of 8150 m to 8550 m were analysed using X‐ray diffraction and scanning ...
Susanne Gier, Jürgen Schieber, Andrea Forstner‐Schicker, Peter Krois   +3 more
wiley   +1 more source

Solid-liquid organic matter interaction mechanism between kerogen and aromatic compounds

Shiyou shiyan dizhi
Under geological conditions, the initial generation of oil and gas in source rocks reaches saturation before being expelled and migrating, with the adsorption of hydrocarbons by kerogen being a key factor influencing oil saturation.
Xiaohui LIN, Tian LIANG, Yanrong ZOU, Cheng TAO, Yuan WANG   +4 more
doaj   +1 more source

Molecular Investigation of CO₂/CH₄ Competitive Adsorption and Confinement in Realistic Shale Kerogen

Nanomaterials, 2019
The adsorption behavior and the mechanism of a CO2/CH4 mixture in shale organic matter play significant roles to predict the carbon dioxide sequestration with enhanced gas recovery (CS-EGR) in shale reservoirs.
Wenning Zhou, Zhe Zhang, Haobo Wang, Xu Yang   +3 more
doaj   +1 more source

Geochemistry of the cretaceous-tertiary boundary (Fish Clay) at Stevns Klint (Denmark): Ir, Ni and Zn in kerogen [PDF]

Journal of the Serbian Chemical Society, 2006
Geochemical analyses of trace metals (Ir, Ni and Zn) in the kerogen of the black marl of the Cretaceous-Tertiary boundary succession (Fish Clay) at Stevns Klint (Højerup Church) were undertaken.
Premović Pavle I., Krsmanović Milena M., Todorović Bratislav Z., Pavlović Mirjana S., Nikolić Nikola D., Đorđević Dragan M.   +5 more
doaj   +1 more source