Influence of 3D fault modeling on gas migration pathways and gas hydrate accumulation in porous sediments: case studies of Hydrate Ridge (Oregon margin) and Green Canyon (Gulf of Mexico).

Burwicz, Ewa , Pinero, Elena and Hensen, Christian (2014) Influence of 3D fault modeling on gas migration pathways and gas hydrate accumulation in porous sediments: case studies of Hydrate Ridge (Oregon margin) and Green Canyon (Gulf of Mexico). [Talk] In: 12. International Conference on Gas In Marine Sediments (GIMS12). , 01.-04.09.2014, Taipei, Taiwan .

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Abstract

In order to evaluate and understand the results of sedimentary basin numerical modeling including non- homogeneous layer structures (e.g. faults or tectonically active salt domains), it is essential to prescribe clear and scientifically-based rules of fault-like structure implementation. For this purpose, we examine the most important parameters and aspects that influence modeling of fluids and gas migration pathways within porous sedimentary layers, including model resolution, gridding of the fault/salt-edge structure, 3D continuity, fault properties, migration model, timing of opening/closing, etc. The results of series of model-runs covering the common ranges of parameter values reported from natural marine settings will be presented during the conference. Results of the specific modeled configurations for the Green Canyon (Gulf of Mexico) and Hydrate Ridge (Oregon margin) will also be discussed.

Document Type: Conference or Workshop Item (Talk)
Keywords: numerical modeling, faults, Gulf of Mexico, gas hydrates
Research affiliation: OceanRep > GEOMAR > FB2 Marine Biogeochemistry > FB2-MG Marine Geosystems
OceanRep > GEOMAR > FB4 Dynamics of the Ocean Floor > FB4-JRG-B3 Seabed Resources
Date Deposited: 01 Oct 2014 13:15
Last Modified: 23 Sep 2019 23:23
URI: http://oceanrep.geomar.de/id/eprint/25675

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