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SPE Annual Technical Conference and Exhibition - Identification of Fractures and Preferential Flow Paths Using Streamlines and Dynamic Data in Dual Porosity Dual Permeability Reservoir Models by Hongquan, Chen; Changqing, Yao; Akhil, Datta-gupta; Ali A., Alturki; Majdi A, Baddourah is a scholarly article available to read on EtoBox.

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## Abstract Identification of the location and orientation of fractures and preferential flow paths using the dynamic reservoir response can provide insightful guidance for naturally fractured reservoir development and management. However, data assimilation for high-resolution fractured reservoir models using well responses is time consuming. The streamline-based technology has proven to be effective and efficient for subsurface flow modeling and inverse problems. We propose a novel and robust streamline tracing method in dual porosity dual permeability (DPDK) systems and an efficient workflow to identify fracture location in fractured reservoir models using dynamic data. In DPDK models, the matrix-fracture interactions are typically described by non-neighbor connections (NNCs) which make streamline tracing non-trivial. We use a boundary layer method to reconstruct the fluxes and avoid flux discontinuities at NNCs. The flux reconstruction allows us to trace streamlines and compute the time of flight (TOF) in DPDK models. The fracture identification workflow relies on the streamline-based analytic sensitivity computation and rapid model calibration using dynamic data. Multiple reali

Author

Hongquan, Chen; Changqing, Yao; Akhil, Datta-gupta; Ali A., Alturki; Majdi A, Baddourah

Publisher

Society of Petroleum Engineers

Published

2020

Language

EN