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Field-based structural studies as analogues to sub-surface reservoirs

By
David J. Sanderson
David J. Sanderson
Faculty of Engineering and the Environment, University of Southampton, Southampton SO17 1BJReservoir Development, BP, Chertsey Road, Sunbury-on-Thames TW16 7BP
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Published:
January 01, 2016

Abstract

This paper examines a number of field analogues to structures in the sub-surface, based mainly on examples from SW Britain. Whereas sedimentological analogues are largely interpreted in terms of a clearly defined sequence of depositional events related to stratigraphy, structures can develop throughout the history of the reservoir and their timing is poorly constrained stratigraphically. This leads to fundamental differences in how the two types of analogues are used. The simplest and most direct use of structural analogues comes from comparison of field structures with those sampled in the sub-surface, where they can guide conceptual development of reservoir models. Many examples of this approach exist from the development of stratabound fracture systems to the formation of linked fault systems and fracture networks. Field analogues also play an important role in the study of sub-seismic structures, providing a link to evidence from core. One new area is the application of topology to the study of fault and fracture networks. Not only does this provide insight into fundamental relationships between structures, such as their relative age and connectivity, but it also provides new methods of analysis of great relevance to the spatial variation and scaling of structures.

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Contents

Geological Society, London, Special Publications

The Value of Outcrop Studies in Reducing Subsurface Uncertainty and Risk in Hydrocarbon Exploration and Production

M. Bowman
M. Bowman
Texas A&M University, Qatar
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H. R. Smyth
H. R. Smyth
Neftex Exploration Insights, UK
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T. R. Good
T. R. Good
ExxonMobil, UK
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S. R. Passey
S. R. Passey
CASP, UK
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J. P. P. Hirst
J. P. P. Hirst
Sedimentology Consultant, UK
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C. J. Jordan
C. J. Jordan
British Geological Survey
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Geological Society of London
Volume
436
ISBN electronic:
9781786203090
Publication date:
January 01, 2016

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