--> Volume-Based Characterization of a Heterogeneous Carbonate Reservoir, Lower Cretaceous, Abu Dhabi, by Lyndon A. Yose, Amy S. Ruf, Christian J. Strohmenger, James S. Schuelke, Linda W. Corwin, Andrew Gombos, Imelda G. Johnson, Ismail Al-Hosani, Shamsa S. Al-Maskary, Gerard Bloch, and Yousef Al-Mahairi; #90052 (2006)
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Volume-Based Previous HitCharacterizationNext Hit of a Heterogeneous Carbonate Previous HitReservoirNext Hit, Lower Cretaceous, Abu Dhabi

Lyndon A. Yose1, Amy S. Ruf2, Christian J. Strohmenger3, James S. Schuelke2, Linda W. Corwin4, Andrew Gombos2, Imelda G. Johnson4, Ismail Al-Hosani3, Shamsa S. Al-Maskary3, Gerard Bloch3, and Yousef Al-Mahairi3
1 ExxonMobil Qatar, Inc, oha, Qatar
2 ExxonMobil Upstream Research, Houston, TX
3 Abu Dhabi Company for Onshore Oil Operations (ADCO), Abu Dhabi, United Arab Emirates
4 ExxonMobil Exploration Company, Houston, TX

High-effort three-dimensional (3D) seismic data collected by the Abu Dhabi Company for Onshore Oil Operations are some of the highest quality data ever collected over a carbonate field. These data provide the opportunity to test the limits of high-end seismic technologies in carbonates and to demonstrate the value of seismic for integrated carbonate Previous HitreservoirNext Hit Previous HitcharacterizationNext Hit. Seismic data were integrated with other subsurface data to develop a new, sequence stratigraphic based Previous HitreservoirNext Hit framework. The Lower Cretaceous (Aptian) Previous HitreservoirNext Hit records a large-scale transgressive-regressive depositional cycle that is divided into six depositional sequences. Previous HitReservoirNext Hit architecture and quality vary predictably within the sequence framework and correspond closely to variations in seismic properties. Sequence-stratigraphic surfaces define the 3D distribution of Previous HitflowNext Hit barriers and Previous HitflowNext Hit Previous HitunitsNext Hit within the Previous HitreservoirNext Hit and are used to guide framework and rock property distributions in 3D Previous HitreservoirNext Hit models.

Quantitative seismic information on Previous HitreservoirNext Hit architecture and porosity variations provides a new understanding of Previous HitreservoirNext Hit heterogeneity and the underlying geologic controls. Multi-attribute volume interpretation and co-rendering techniques help to visualize geologic and Previous HitreservoirNext Hit variations and provide a volume-based framework for Previous HitreservoirNext Hit evaluation. Together, the sequence-based Previous HitreservoirNext Hit framework and 3D seismic data provide an integrated platform for addressing a range of production and performance issues. Applications of these results include: 1) 3D seismic visualization as a tool for optimizing well placement, identifying by-passed reservoirs and evaluating Previous HitreservoirNext Hit connectivity, 2) integration of quantitative, volume-based seismic information into Previous HitreservoirNext Hit models, 3) maximizing recovery through full integration of all subsurface data, and 4) enhanced communication among geoscientists and engineers leading to improved Previous HitreservoirTop management practices.