Title
Fluid flow in the northern Broad Fourteens Basin during Late Cretaceous inversion
Author
Bouw, L.
Oude Essink, G.H.P.
Publication year
2003
Abstract
A basin-scale hydrogeological study of the inverted northern Broad Fourteens Basin, Netherlands offshore, has resulted in a reconstruction of geological evolution, an estimate of Late Cretaceous topography and model scenarios of syn-inversion meteoric water infiltration. This study was performed in the scope of a basin-scale analysis of the hydrogeological setting and hydrodynamic evolution of the Broad Fourteens Basin. This analysis is aimed at obtaining quantitative knowledge of depositional history and hydrogeological parameters, and qualitative knowledge of hydrodynamic evolution of the Broad Fourteens Basin from Carboniferous to present-day. We present an overview of the tectonic and depositional history, the most likely hydrogeological setting and model scenarios of Late Cretaceous meteoric water infiltration in the northern Broad Fourteens area. We constructed a detailed south-west north-east geological cross-section of the present-day northern Broad Fourteens Basin, and reconstructed Late Cretaceous basin geometry and topography. Using this geometry in a numerical model of density-dependent topography-driven fluid flow, we modelled several scenarios of meteoric water infiltration with estimated ranges of basin-scale permeabilities and water table head. Results indicate that a deep freshwater lens was developed during Late Cretaceous inversion, if the basin-scale hydraulic conductivity of the Rijnland and Altena Groups was at least 1·10-9 to 1·10-10 m/s, which is in general the highest value for claystones.
Subject
Energy / Geological Survey Netherlands
Geological Survey Netherlands
Basin inversion
Broad Fourteens Basin
Meteoric water infiltration
Netherlands North Sea
Numerical models
Sedimentary basins
basin evolution
Cretaceous
fluid flow
hydrogeology
sedimentary basin
sedimentation
structural geology
tectonic evolution
tectonic inversion
tectonics
North Sea
To reference this document use:
http://resolver.tudelft.nl/uuid:ba98e693-31bc-41b2-b6e0-ff9f569ad58d
TNO identifier
237014
ISSN
0016-7746
Source
Geologie en Mijnbouw/Netherlands Journal of Geosciences, 82 (82), 55-69
Document type
article