Section 3.2: Organic Geochemistry

Section 3.2 - Projects

Compositional alterations of the petroleum’s low to highly polar, surface active NSO compounds and their effects on fluid properties during migration and production are investigated in conventional and unconventional petroleum systems.

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Aim of the CEL paleofire project is to better understand the role of fire on past landscape evolution of the central European lowlands (CEL) on different spatio-temporal scales using a multiple fire proxy approach. Paleofire regimes will be linked with interacting driving mechanisms, climate, vegetation and human activity.

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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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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
14473 Potsdam
+49 331 288-1785
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