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Copyright 2012, Society of Petroleum Engineers This paper was prepared for presentation at the Abu Dhabi International Petroleum Exhibition & Conference held in Abu Dhabi, UAE, 11-14 November 2012. This paper was selected for presentation by an SPE program committee following review of information contained in an abstract submitted by the author(s). Contents of the paper have not been reviewed by the Society of Petroleum Engineers and are subject to correction by the author(s). The material does not necessarily reflect any position of the Society of Petroleum Engineers, its officers, or members. Electronic reproduction, distribution, or storage of any part of this paper without the written consent of the Society of Petroleum Engineers is prohibited. Permission to reproduce in print is restricted to an abstract of not more than 300 words; illustrations may not be copied. The abstract must contain conspicuous acknowledgment of SPE copyright. Abstract Integrating new data in a fast way is a key issue for optimizing the field development but when field are getting mature this process becomes fastidious and time consuming. Updating Geological and Reservoir models often and rapidly is crucial.
- Geology > Sedimentary Geology (0.69)
- Geology > Structural Geology (0.46)
Abstract It is important to predict the amount of bypassed oil in EOR gasflooding since some portion of the flooded domain may be uncontacted by the injected gas due to reservoir heterogeneities residing in various scales. In this paper, we present a new method of deriving immobile and non-vaporizing residual oil saturation under miscible flood (Sorm, Hiraiwa and Suzuki 2007) from the results of CO2 coreflood experiments. We also demonstrate that Sorm is a sort of upscaled parameters able to absorb complex heterogeneous features in the finer scale. We history-matched CO2 coreflood experiments using the two different simulation models: one-dimensional (1D) homogeneous model with Sorm and two-dimensional (2D) heterogeneous model without Sorm. Both of these two models replicated secondary- and tertiary-mode CO2 coreflood experiments using core and fluid samples acquired in one of the Abu Dhabi's offshore fields. Hence we successfully obtained the Sorm based on the coreflood experiments for further use in evaluating CO2 injection in a real reservoir. In addition, we effectively modeled the core-scale heterogeneity using the X-ray computerized tomography (CT) data and pore size distribution (PSD) data derived from mercury injection capillary pressure (MICP) tests in the 2D model.
- North America > United States (1.00)
- Asia > Middle East > UAE > Abu Dhabi Emirate > Abu Dhabi (0.35)
- Reservoir Description and Dynamics > Reservoir Simulation > Scaling methods (1.00)
- Reservoir Description and Dynamics > Reservoir Fluid Dynamics > Flow in porous media (1.00)
- Reservoir Description and Dynamics > Improved and Enhanced Recovery > Reduction of residual oil saturation (1.00)
- Reservoir Description and Dynamics > Formation Evaluation & Management > Core analysis (1.00)