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The Value of Fault Property Analysis for Field Development PlanningNormal access

Authors: A. Frischbutter, Q.J. Fisher, G. Namazova and S. Dufour
Event name: Fourth International Conference on Fault and Top Seals
Session: Case Studies I
Publication date: 20 September 2015
DOI: 10.3997/2214-4609.201414097
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 1.72Mb )
Price: € 20

Summary:
A recently discovered oil field with a gas cap in the North Sea is currently in the development planning phase. The field is divided into several compartments by syn-depositional faults that have not been reactivated. Flow between these compartments represents a key uncertainty that needs to be considered in development planning. A comprehensive fault property analysis from core to seismic scale has been conducted in order to assess the influence of faults on the production performance and in order to be incorporated into the field development planning. A mayor element of the evaluation was the analysis of the cored fault rocks from the field. The cored microfaults were analyzed applying novel measurement techniques, representing reservoir stress conditions and using reservoir fluid compositions. Dynamic simulation results reveal a range of more than 20% for recoverable volumes, depending on the fault property case applied and for a base case producer/injector well pattern. The generated results triggered evaluations of potentially changing the producer/injector well configuration.


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