Origin of oils in the Velebit oil–gas field, SE Pannonian Basin, Serbia – Source rocks characterization based on biological marker distributions

Solevic, Tatjana; Stojanović, Ksenija; Bojesen‐Koefoed, Jørgen A.; Nytoft, Hans Peter; Jovančićević, Branimir; Vitorović, D.

doi:10.1016/j.orggeochem.2007.09.003

Cited by 17 publications

(8 citation statements)

References 28 publications

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“…The SE part of the Pannonian Basin in Serbia is a critical area that has received little attention in terms of kinematic studies (Figure 1b). Although a mature exploration province with a high density of high‐quality subsurface data (seismics and wells) described in a number of mostly local publications [e.g., Čanović and Kemenci , 1988, 1999; Pigott and Radivojević , 2010; Šolević et al , 2008, and references therein], studies analyzing fault patterns and their effects on the evolution of the basin fill are still not available. This is highly relevant because this key junction area is the place where the transition between the Late Jurassic–Eocene orogenic structures of the Carpathians and Dinarides and the Miocene formation of the Pannonian Basin unit can be accurately quantified (Figures 1b and 1c) [e.g., Schmid et al , 2008].…”

Section: Introductionmentioning

confidence: 99%

On the formation and evolution of the Pannonian Basin: Constraints derived from the structure of the junction area between the Carpathians and Dinarides

2012

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.[1] The large number and distribution of rollback systems in Mediterranean orogens infer the possibility of interacting extensional back-arc deformation driven by different slabs. The formation of the Pannonian back-arc basin is generally related to the rapid Miocene rollback of a slab attached to the European continent. A key area of the entire system that is neglected by kinematic studies is the connection between the South Carpathians and Dinarides. In order to derive an evolutionary model, we interpreted regional seismic lines traversing the entire Serbian part of the Pannonian Basin. The observed deformation is dominantly expressed by the formation of Miocene extensional detachments and (half) grabens. The extensional geometries and associated synkinematic sedimentation that migrated in time and space allow the definition of a continuous and essentially asymmetric early to late Miocene extensional evolution. This evolution was followed by the formation of few uplifted areas during the subsequent latest Miocene-Quaternary inversion. The present-day extensional geometry changing the strike across the basin is an effect of the clockwise rotation of the South Carpathians and Apuseni Mountains in respect to the Dinarides. Our study infers that the Carpathian rollback is not the only mechanism responsible for the formation of the Pannonian Basin; an additional middle Miocene rollback of a Dinaridic slab is required to explain the observed structures. Furthermore, the study provides constraints for the pre-Neogene orogenic evolution of this junction zone, including the affinity of major crustal blocks, obducted ophiolitic sequences and the Sava suture zone.Citation: Matenco, L., and D. Radivojević (2012), On the formation and evolution of the Pannonian Basin: Constraints derived from the structure of the junction area between the Carpathians and Dinarides, Tectonics, 31, TC6007,

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Section: Introductionmentioning

confidence: 99%

On the formation and evolution of the Pannonian Basin: Constraints derived from the structure of the junction area between the Carpathians and Dinarides

2012

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“…All investigated oils are of Cretaceous or Tertiary age. [5][6][7] The Serbian crude oils investigated originate from the southeastern part of the Pannonian Basin, from the oil fields Elemir, Rusanda, Zrenjanin and Velebit. All these oils were generated from clay-rich source rocks containing mixtures of terrestrial and marine organic matter.…”

Section: Samplesmentioning

confidence: 99%

“…8,9 The source rocks of the Velebit oils are estimated to be of high maturity, consistent with a vitrinite reflectance of > 0.80 % Rc. 7 Another distinctive feature of the Velebit oils is that they are biodegraded. In a biodegradation-based classification, 2 these oils were found to be altered to an index value of 3 to 4.…”

Section: Samplesmentioning

confidence: 99%

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GC-MS vs. GC-MS-MS analysis of pentacyclic terpanes in crude oils from Libya and Serbia - a comparison of two methods

Faraj

Knudsen

Stojanović

et al. 2017

JSCS

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“…Organic geochemical studies of the biodegradability of some classes of organic compounds from oil have shown that n ‐alkanes and isoprenoid aliphatic alkanes are the most susceptible to biodegradation . Among the oil compounds, the most resistant to microbial biodegradation are monoaromatic steroids, diasteranes, diahopanes, 25‐norhopanes, tricyclic terpanes, C 21 –C 22 steranes, oleanane, and gammacerane.…”

Section: Introductionmentioning

confidence: 99%

Biodegradation of Isoprenoids, Steranes, Terpanes, and Phenanthrenes During In Situ Bioremediation of Petroleum‐Contaminated Groundwater

Beškoski

Miletić

Ilić

et al. 2017

CLEAN Soil Air Water

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The objective of this study was to stimulate microbial biodegradation of petroleum pollution in groundwater and to analyze changes in the abundance and distribution of organic compounds detectable in petroleum. Bioremediation was conducted in a closed bipolar system, by bioaugmentation with consortia of hydrocarbon degrading microorganisms (HD) and biostimulation with nutrients. Comprehensive two‐dimensional gas chromatography–mass spectrometry (GC × GC–MS) was used to visualize all fractions simultaneously. During the study, the content of total petroleum hydrocarbon (TPH) in groundwater decreased by 92.7% of the initial level, and the average rate of biodegradation was 0.1 mg/L per day. Increased numbers of HD were observed and the dominant genera were Pseudomonas, Rhodococcus, Achromobacter, Bacillus, and Micromonospora. In the first 30 days of bioremediation, there was no significant biodegradation of n‐alkanes and petroleum biomarkers – isoprenoids such as pristane and phytane, and polycyclic‐saturated hydrocarbons such as terpanes and steranes. However, after 60 days of bioremediation, more than 95% of n‐alkanes, terpanes and steranes were biodegraded. Phenanthrene and its methyl‐, dimethyl‐, and trimethyl‐isomers were biodegraded and reduced by more than 99% of their initial levels. However, their decomposition had clearly commenced after just 30 days. This is a somewhat surprising result since it follows that the phenanthrenes were more susceptible to biodegradation than the n‐alkanes and isoprenoids. Depending on the microbial community used for bioaugmentation, biodegradation of phenanthrene can precede biodegradation of saturated hydrocarbons.

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Origin of oils in the Velebit oil–gas field, SE Pannonian Basin, Serbia – Source rocks characterization based on biological marker distributions

Cited by 17 publications

References 28 publications

On the formation and evolution of the Pannonian Basin: Constraints derived from the structure of the junction area between the Carpathians and Dinarides

On the formation and evolution of the Pannonian Basin: Constraints derived from the structure of the junction area between the Carpathians and Dinarides

GC-MS vs. GC-MS-MS analysis of pentacyclic terpanes in crude oils from Libya and Serbia - a comparison of two methods

Biodegradation of Isoprenoids, Steranes, Terpanes, and Phenanthrenes During In Situ Bioremediation of Petroleum‐Contaminated Groundwater

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