Black shales in Ukraine–A review

RF Sachsenhofer, YV Koltun - Marine and Petroleum Geology, 2012 - Elsevier
As a result of a long-lasting and complex geological history, organic-matter-rich fine-grained
rocks (black shales) with widely varying ages can be found on Ukrainian territory. Several of …

Oil-generation kinetics for organic facies with Type-II and-IIS kerogen in the Menilite Shales of the Polish Carpathians

MD Lewan, MJ Kotarba, JB Curtis, D Więcław… - … et Cosmochimica Acta, 2006 - Elsevier
The Menilite Shales (Oligocene) of the Polish Carpathians are the source of low-sulfur oils in
the thrust belt and some high-sulfur oils in the Carpathian Foredeep. These oil occurrences …

[HTML][HTML] A novel VRo, Tmax, and S indices conversion formulae on data from the fold-and-thrust belt of the Western Outer Carpathians (Poland)

M Waliczek, G Machowski, P Poprawa… - International Journal of …, 2021 - Elsevier
Results are presented on the relationships between the vitrinite reflectance VR o, the T max
temperatures determined with Rock-Eval pyrolysis, and the smectite (S) indices representing …

Oligocene and Lower Miocene source rocks in the Paratethys: palaeogeographical and stratigraphic controls

RF Sachsenhofer, SV Popov, A Bechtel… - Geological Society …, 2018 - lyellcollection.org
Abstract Oligocene and Lower Miocene deposits in the Paratethys are important source
rocks, but reveal major stratigraphic and regional differences. As a consequence of the first …

Pyrite thermal decomposition in source rocks

M Labus - Fuel, 2021 - Elsevier
Sulphides, mainly pyrite, are very common minerals in source rocks for oil and natural gas.
Pyrite thermal transformation is very complex process, depending on many factors affecting …

Composition and origin of natural gases accumulated in the Polish and Ukrainian parts of the Carpathian region: Gaseous hydrocarbons, noble gases, carbon dioxide …

MJ Kotarba, K Nagao - Chemical Geology, 2008 - Elsevier
Ten natural gas samples associated and non-associated with oil in the Polish and Ukrainian
Flysch Carpathians and Mesozoic Basement of the Carpathian Foredeep were analysed for …

Organic geochemical study and genetic correlation of natural gas, oil and Menilite source rocks in the area between San and Stryi rivers (Polish and Ukrainian …

MJ Kotarba, D Więcław, YV Koltun, L Marynowski… - Organic …, 2007 - Elsevier
We studied the source rocks and petroleum accumulations in the Carpathian Mountains of
the Polish-Ukrainian border area, between the San and Stryi rivers. A total of 108 Oligocene …

Variations of bitumen fraction, biomarker, stable carbon isotope and maceral compositions of dispersed organic matter in the Miocene strata (Carpathian Foredeep …

MJ Kotarba, D Więcław, K Jurek, M Waliczek - Marine and Petroleum …, 2022 - Elsevier
Abstract The Carpathian Foredeep is one of the largest Miocene sedimentary basins in
Central Europe. Biomarkers, polycyclic aromatic hydrocarbons (PAHs), stable carbon …

Organic geochemical study of source rocks and natural gas and their genetic correlation in the eastern part of the Polish Outer Carpathians and Palaeozoic–Mesozoic …

MJ Kotarba, D Więcław, P Dziadzio, A Kowalski… - Marine and Petroleum …, 2014 - Elsevier
Geochemical characteristics of organic matter in the profiles of Dukla, Silesian, Sub-Silesian
and Skole units of the Polish Outer Carpathians and of the Palaeozoic–Mesozoic basement …

Comparison of natural gases accumulated in Oligocene strata with hydrous pyrolysis gases from Menilite Shales of the Polish Outer Carpathians

MJ Kotarba, JB Curtis, MD Lewan - Organic Geochemistry, 2009 - Elsevier
This study examined the molecular and isotopic compositions of gases generated from
different kerogen types (ie, Types I/II, II, IIS and III) in Menilite Shales by sequential hydrous …