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15th Biennial International Conference SPG 2025

Modeling Fracture Networks from Outcrop Maps using Multi-Point Geostatistics

Published in GEOHORIZONS - 2025

Vivek Kumar 1 2 , Subrata Haldar 3, Ankur Roy 2 , Tapan Mukerji 4, 1Geology and Geophysics, IIT Kharagpur, India, 2Deysarkar Centre of Excellence in Petroleum Engineering, IIT Kharagpur, India, 3Indian Institute of Management Calcutta, India, 4Stanford Doerr School of Sustainability, Stanford University, USA

Abstract


Fracture networks are critical in controlling subsurface fluid flow, significantly influencing hydrocarbon recovery, groundwater movement, and geothermal energy extraction. Understanding and accurate fracture network modeling is crucial for predicting subsurface fluid behavior. Multiple-Point Geostatistics (MPS) effectively captures complex spatial patterns from outcrop data and serves as a more accurate alternative to traditional methods that oversimplify fracture connectivity. This study uses the CCSIM algorithm to generate stochastic fracture network realizations from outcrop-based training images. Two different strategies are proposed for finding the method that best captures the heterogeneity of the pattern studied. Realizations generated using both strategies are further evaluated using response curves and MDS plots.

Keywords


MPS, CCSIM, Fracture Networks, Training Image, Template, Entropy

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