Abstract
The prediction of oil and gas is a complex task involving assessment of source-rock potential, alteration of organic matter, migration, and accumulation of hydrocarbons.
In addition to information as well on recent geological structure as on petrological and petrophysical features of the rocks data on the geological history of the basin have to be included in the investigation. Drilling and geophysical survey only provides measuring data. Paleodata have to be derived from numerical modeling of the basin’s formation. Additional expert appraisals on structure and geological history of the basin play an important role also in the process of computerized basin analysis.
PC software was developed for structural modeling as interpolation of stratigraphic core data from drills, back stripping and process modeling involving compaction, heat transfer and maturation of hydrocarbons.
The technology includes an interpretation tool for the integration of different types of assessment criteria (measuring data, results of structure, process modeling, and expert appraisals). The data interpretation process is split in a step for the assessment of hydrocarbon generation potential and a step for the prediction of reservoir rocks providing both regionalization schemes of the area to be investigated. The map of hydrocarbon generation capability can be linked genetically with the map of reservoir favorability by paleostructural maps expressing migration paths of hydrocarbons.
The method is demonstrated by the research on gas in the Upper Rotliegend sediments of the northeastern part of the North German Basin.
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Harff, J., Hoth, P., Eiserbeck, W. (1993). Computer-Assisted Basin Analysis for the Search of Oil and Gas in the North German Basin. In: Harff, J., Merriam, D.F. (eds) Computerized Basin Analysis. Computer Applications in the Earth Sciences. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-2826-5_16
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DOI: https://doi.org/10.1007/978-1-4615-2826-5_16
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