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# A Fully Three Dimensional Semianalytical Model for Shale Gas Reservoirs with Hydraulic Fractures

A Fully Three Dimensional Semianalytical Model for Shale Gas Reservoirs with Hydraulic Fractures   The shale gas diffusion equations considers complex transport mechanism such as gas slippage and gas diffusion. This semianalytical model is verified with a commercial software and an analytical method for single fully penetrated rectangle fracture, and the production

# An Analytical Flow Model for Heterogeneous Multi-Fractured Systems in Shale Gas Reservoirs

An Analytical Flow Model for Heterogeneous Multi-Fractured Systems in Shale Gas Reservoirs Tang et al. [4] established a three-dimensional numerical model based on the construction of spatial discretization by the finite volume method. Wang [5] proposed a unified model for shale gas reservoirs based on discrete fracture networks to investigate shale

# A Prediction Model for Methane Adsorption capacity in Shale Gas Reservoirs

A Prediction Model for Methane Adsorption capacity in Shale Gas Reservoirs   The model was established in four steps: a model of Langmuir volume at experimental temperature, the temperature dependence of Langmuir volume, a model of Langmuir pressure, the temperature dependence of Langmuir pressure. In the model of Langmuir volume at experimental

# Influence of gas transport mechanisms on the productivity of multi-stage fractured horizontal wells in shale gas reservoirs

The existence of an adsorption layer on the nanopore surfaces reduces the effective pore radius and the effective porosity, resulting in low production from fractured horizontal wells. With a decrease in the pore radius, considering the adsorption layer, the production reduction rate increases. When the pore radius is less than

# Characterizing hydraulic fractures in shale gas reservoirs using transient pressure tests

Abstract Hydraulic fracturing combined with horizontal drilling has been the technology that makes it possible to economically produce natural gas from unconventional shale gas or tight gas reservoirs. Hydraulic fracturing operations, in particular, multistage fracturing treatments along with horizontal wells in unconventional formations create complex fracture geometries or networks, which are

# Modeling and Simulation of Natural Gas Production from Unconventional Shale Reservoirs

Modeling and Simulation of Natural Gas Production from Unconventional Shale Reservoirs Gary Feast1, Kim Wu1, John Walton2, Zufang Cheng2, Bao Chen2  1Novel Energy, Inc., Pittsburgh, PA, USA. 2Subsurface Shale Group, Columbus, OH, USA Abstract Modeling and simulation of unconventional reservoirs are much more complicated than the conventional reservoir modeling, because of their complex flow