Fracture Parameters of Hydraulic Fracturing in DX14 Volcanic Gas Reservoir

Journal: Advanced Management Science (AMS)
Author: Xiaoming Chen1, Xieyang Pu2*, Xiaolei Wang1, Jiang Shan1, Zhengming Wang1, Yunxin Zhang1

This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited


Because of its specificity of volcanic reservoirs, Elkins empirical criterion determined the optimum hydraulic fracture parameters in conventional sand gas reservoir are unsuitable. DX14 volcanic gas reservoir has an average porosity 13.19% and the effective permeability 0.31mD. The production performance shows that fluid flow is gas-liquid two-phase. Based on the motion equations and continuity equations of gas/water phase flow, flow control equations are established and numerical solutions are obtained by IMPES method. Hydraulic fracturing production performance simulator is studied and developed in gas-liquid two-phase flow. The fracture half-length is optimized to be 150-200m and the fracture conductivity is 20D.cm in this area in based of the change in production.


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