A new analytical pressure transient solution (constant rate) for a well containing multiple arbitrarily-oriented uniform-flux, infinite-conductivity, or finite-conductivity fractures in an infinite-slab reservoir is presented. The multiple-fracture solution is derived using a new uniform-flux solution for a single arbitrarily-oriented fracture in an anisotropic reservoir. The variables in this solution are: fracture half-length, fracture conductivity, and fracture angle of rotation for each fracture relative to the primary fracture. Example constant-rate type curves are provided for two intersecting fractures – cruciform or oblique – and three intersecting fractures – trifracture.

Keywords:
hydraulic fracturing, Upstream Oil & Gas, complex reservoir, pressure transient analysis, pressure transient testing, finite-conductivity fracture, fracture half-length, fracture solution, Laplace domain, dimensionless time
Subjects:
Hydraulic Fracturing, Well & Reservoir Surveillance and Monitoring, Reservoir Characterization, Reservoir Fluid Dynamics, Reservoir Simulation, Formation Evaluation & Management, Unconventional and Complex Reservoirs, Flow in porous media, Pressure transient analysis, Drillstem/well testing
Copyright 2006, Society of Petroleum Engineers
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