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The Control of Fracturing and Dolomitisation on 3D Reservoir Property Distribution of the Asmari Formation (Oligocene-Lower Miocene), Dezful Embayment, SW IranNormal access

Authors: A.A.M. Aqrawi and O.P. Wennberg
Event name: IPTC 2007: International Petroleum Technology Conference
Session: A Changing World - Interdependence, Innovation and Implementation
Publication date: 04 December 2007
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 583.18Kb )
Price: € 20

Summary:
The Asmari Formation (Oligocene-early Miocene) is the most
important reservoir in the oilfields in the Zagros foreland of
the Dezful Embayment of SW Iran. The carbonate reservoirs
of the Asmari Formation are characterized by low matrix
permeability, and effective drainage is dependent on the
occurrence of open fractures. The fractures have been formed
during the Zagros Orogeny since late Miocene, which is also
responsible for the geometry and formation of NW-SE
trending anticlinal traps. Dolomitisation is another factor
controlling reservoir qualities as dolostones in general have
higher porosities than limestones.


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