Skip to Main Content
Book Chapter

Integrated 3D geomechanical modelling for deep subsurface deformation: a case study of tectonic and human-induced deformation in the eastern Netherlands

By
J. D. Van Wees
J. D. Van Wees
1
TNO-NITG, Department of Geo-Energy PO Box 80015, NL 3508 TA Utrecht, The Netherlands
Search for other works by this author on:
B. Orlic
B. Orlic
1
TNO-NITG, Department of Geo-Energy PO Box 80015, NL 3508 TA Utrecht, The Netherlands
Search for other works by this author on:
R. Van Eijs
R. Van Eijs
1
TNO-NITG, Department of Geo-Energy PO Box 80015, NL 3508 TA Utrecht, The Netherlands
Search for other works by this author on:
W. Zijl
W. Zijl
1
TNO-NITG, Department of Geo-Energy PO Box 80015, NL 3508 TA Utrecht, The Netherlands
Search for other works by this author on:
P. Jongerius
P. Jongerius
1
TNO-NITG, Department of Geo-Energy PO Box 80015, NL 3508 TA Utrecht, The Netherlands
Search for other works by this author on:
G. J. Schreppers
G. J. Schreppers
2
TNO Building and Construction
Search for other works by this author on:
M. Hendriks
M. Hendriks
2
TNO Building and Construction
Search for other works by this author on:
T. Cornu
T. Cornu
3
Vrije Universiteit Amsterdam
Search for other works by this author on:
Published:
January 01, 2003

Abstract

Current advances in finite element computer codes and increase in computer power theoretically allow quantitative modelling of the geomechanical effects of hydrocarbon depletion from reservoirs. Here we show that it is technically possible to incorporate the full complexity of the 3D geological structure of a reservoir including faults into geomechanical models. In the workflow GOCAD is used for the structural modelling, integrated with DIANA for the geomechanical calculations.

A case study on the Roswinkel gas field in the eastern Netherlands illustrates the working methodology. The case study clearly shows the strong dependency of gas depletion deformation effects on the prevailing tectonic stress field. Our models for gas depletion predict a stabilization of the stress field (further away from failure) for reservoirs in compressive and strike-slip regimes. On the other hand extensional stress regimes will result in failure of the reservoir, in agreement with observed earthquakes, provided that (a) the reservoir material or existing faults are weak and (b) the state of stress is close to failure of the material.

The Roswinkel field, which is marked by a high abundance of earthquakes occurring after gas depletion started, is therefore most likely marked by an extensional tectonic regime and by geomechanically weak rock or pre-existing faults. According to base Tertiary fault displacements and the World Stress Map, the extension (minimum horizontal principal stress) is most likely NE—SW oriented.

You do not currently have access to this article.

Figures & Tables

Contents

Geological Society, London, Special Publications

New Insights into Structural Interpretation and Modelling

D. A. Nieuwland
D. A. Nieuwland
Vrije Universiteit Amsterdam, The Netherlands
Search for other works by this author on:
Geological Society of London
Volume
212
ISBN electronic:
9781862394605
Publication date:
January 01, 2003

GeoRef

References

Related

Citing Books via

Close Modal
This Feature Is Available To Subscribers Only

Sign In or Create an Account

Close Modal
Close Modal