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Reservoir quality and burial model evaluation by kinetic quartz and illite cementation modeling : Case study of Rotliegendes, north Germany

Busch, Benjamin ORCID iD icon 1; Hilgers, Christoph ORCID iD icon 1; Lander, Robert H.; Bonnell, Linda M.; Adelmann, Dirk
1 Karlsruher Institut für Technologie (KIT)

Abstract:

Silicate reaction kinetics provide a complementary means to other established paleothermal indicators such as organic maturation for evaluating thermal reconstructions. In this study we combine the use of an organic maturation model with kinetic models for quartz and illite cementation to evaluate burial history scenarios for five subsalt wells in lithologically and structurally complex Rotliegendes reservoirs. Models for organic maturation are most sensitive to maximum temperature and provide no direct evidence for the time of peak temperature or the overall duration of high temperatures. By contrast, the kinetics of quartz cementation are much more strongly influenced by the duration of exposure to high temperatures compared with organic indicators. Kinetic models for fibrous illite formation similarly are sensitive to time and temperature and provide predictions for the time of illite formation that can be compared with radiometric dates. Used collectively, these organic and inorganic paleothermal indicators provide improved constraints on thermal evolution compared with conventional approaches. In this study we use these indicators to evaluate two alternative burial history scenarios. ... mehr


Postprint §
DOI: 10.5445/IR/1000081199
Veröffentlicht am 23.02.2021
Originalveröffentlichung
DOI: 10.1306/0503171605217075
Scopus
Zitationen: 19
Web of Science
Zitationen: 18
Dimensions
Zitationen: 20
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Angewandte Geowissenschaften (AGW)
KIT-Zentrum Klima und Umwelt (ZKU)
Publikationstyp Zeitschriftenaufsatz
Publikationsmonat/-jahr 02.2018
Sprache Englisch
Identifikator ISSN: 0149-1423
KITopen-ID: 1000081199
HGF-Programm 35.14 (POF III, LK 01) Geothermische Technologie
Erschienen in AAPG bulletin
Verlag Geological Society of America (GSA)
Band 102
Heft 2
Seiten 293-307
Nachgewiesen in Scopus
Dimensions
Web of Science
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