Section 3.2: Organic Geochemistry

Section 3.2 - Projects

The CarboPerm project is an interdisciplinary German-Russian cooperation project funded by the German Federal Ministry of Education and Research (BMBF). It gains a more fundamental understanding of the consequences of the climate warming for Siberian Arctic soils.

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We examine in detail the organic material of the Yacoraite Formation (Maastrichtian-Danian), the most important host rock in the Salta Rift Basin. We also study the geological evolution of the Salta Basin to understand the burial and temperature history with respect to organic matter maturation and hydrocarbon generation.

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With the discovery of an ubiquitous deep biosphere on Earth inevitably the question on its potential carbon and energy sources arises, therefore, several studies have been carried out to prove that organic carbon rich lithologies like lignites, coals and kerogen could act as potential “feeder” lithologies for the deep biosphere, leading to the deduction that abiotically driven degradation reactions of the buried organic matter will provide substrates, such as water – soluble low molecular weight organic acids (LMWOA), for microbial activity in deep sediments.

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In this study solid bitumens from SE Turkey and W Iran are being comprehensively characterized using a combination of different established and advanced geochemical analyses. Furthermore, some solid reservoir bitumens and related oils and source rocks from Austria have been included as a separate sub-project.

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The volcanic structures of the maar Mýtina / the scoria cone Železná hůrka and the active magmatic CO2-degassing zone Milhostov - Hartoušov in the Western Eger Rift (Czech Republic)

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This project addresses the enhancement of understanding physicochemical processes as well as their controls and mechanisms involved in generation of oil and gas, its primary migration in and expulsion from organic-rich, fine-grained siliciclastic source rock in petroleum systems located on the Norwegian continental shelf, central North Sea.

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The mobility of organic and inorganic compounds from black shales in fluid-rock interactions will be investigated taking into account different environmental conditions.

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Fluid Mobility in the Eagle Ford Shale (FluMo) - Projekt 1: This project is investigating the natural and induced factors governing bulk petroleum fluid compositions in the Eagle Ford Shale play of south eastern Texas.

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The general objective of the M4ShaleGas program is to provide scientific recommendations for minimizing the environmental footprint of shale gas exploration and exploitation in Europe.

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Free Biomarkers are commonly used as tracers of organic matter type and maturity in sedimentary systems. Covalently bound biomarkers in macromolecules can be used as tracers, but first have to be released intact by hydrogenation

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Organic sulfur compounds will be characterised in ultra-high resolution by FT-ICR-MS to improve our understanding about origin and fate of these compounds in sedimentary systems.

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Until today it is unknown whether the produced oil on Gotland island is sourced from only one black shale unit. Are there further contributors which may lead to new exploration strategies?

 

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The aim for this study is to reconstruct the timing of petroleum generation, the changing gas/oil ratio (GOR) of the petroleum and its physical properties during maturation. The timing and extent of petroleum generation depends on both the thermal history of the source rock and the reaction kinetics of hydrocarbon generation from kerogen.

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PEaCH4 v. 2.0 provides a modelling platform to predict, but also to retrace early diagenetic processes in marine sediments. It is the outcome of the BioMeP – Phase II project.

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Natural gas mixtures trapped in mineral-hosted fluid inclusions provide valuable information about the origin, generation and migration of gases in the geological record. A new on-line method for simultaneous measurements of stable carbon and nitrogen isotope ratios of fluid inclusion gases was developed at the GFZ.

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Contact

Kai Mangelsdorf
Section Head
Dr.Kai Mangelsdorf
Organic Geochemistry
Telegrafenberg
Building B, Room 425
14473Potsdam
+49 331 288-1785
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