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oa The Upper Shale Reservoir, Zubair Formation, Rumaila Field, Southeast Iraq: Integrated Subsurface Description in Support of Field Production & Development
- Publisher: European Association of Geoscientists & Engineers
- Source: Conference Proceedings, Third EAGE Workshop on Iraq, Nov 2015, Volume 2015, p.1 - 2
Abstract
Summary
The Early Cretaceous (Aptian) Upper Shale Member is the uppermost part of the Zubair Formation: the principal producing interval in the supergiant Rumaila Field in south-eastern Iraq. Historically, the Upper Shale has not been the primary focus for Zubair Formation development and production: first oil from the Upper Shale occurred in 1962 and since then the reservoir has been developed through natural depletion. Critical to enabling the effective management of current production and the planning of further development of the Upper Shale is a robust, fit-for-purpose, field-wide reservoir description which appropriately characterises important heterogeneities.
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