... permeability change permeability ratio equation pore pressure reservoir characterization stress dependent permeability model stress dependent permeability modeling Cooper Basin Permeability Modeling permeability simulation reservoir geomechanics Introduction Unlike conventional reservoirs...

... free gas in the complex fracture network. This conclusion is backed by the imbibition experiments conducted on shale samples collected from the same formation showing the presence of gas-saturated natural fractures. The linear diffusivity equation is solved for early-time two-phase gas/water flow...

... model proppant proppant fracture wall viscosity fracture propagation equation shale gas fracturing fluid gas reservoir reservoir coefficient true vertical depth fracture propagation leakoff coefficient Introduction A fully coupled numerical framework to simulate the hydraulically...

... fracturing inflow performance intercept 0 completion parameter equation best model Standard Deviation well performance coefficient unconventional reservoir multistage fracturing society of petroleum engineers Introduction In SPE paper 167154, we reviewed completion reports of 425 wells...

... saturation reservoir straight line forecast equation Introduction A review of recent North American industry activity has shown that an increasing number of operators have shifted their investment focus from dry gas plays to liquid or liquid-rich tight/shale gas assets due to the higher returns...

... performance is studied. The governing flow equation is linearized using appropriately defined two- phase pseudopressure and pseudotime functions, where the liquid solution analogy ca n be applied. This approach provides an accurate estimation of the linear flow parameter (x f √k) in multi-phase flow...

... of fluid properties. Recently, a corrected pseudotime has been introduced for this purpose, where the average pressure in the distance of investigation (DOI) is calculated using an appropriate material balance equation. Therefore, the distance of investigation calculation is critically important...

... reservoir Reservoir Characterization hydraulic fracturing chemical reaction saturation fracture in-situ upgrading process oil shale Simulation gaseous phase kerogen liquid organic phase Fluid Dynamics solid phase Computation hydrocarbon decomposition reaction equation heating in-situ...

... In a homogenous reservoir, the contours of T are related to the propagation time, t of the pressure front through the following equation ( Vasco et.al., 2000 ; Kim et.al., 2009 ): (3) τ = β t where the factor β is 2, 4, and 6 respectively for 1-D linear, 2-D radial, and 3...

... Upstream Oil & Gas hydrofracture production control shale gas initial reservoir pressure production forecast Haynesville shale Patzek Haynesville well interference time society of petroleum engineers reservoir pressure hydraulically fractured well interference equation pressure...

... wellbore equation Introduction Production from hydraulically-fractured horizontal wells is a common practice in unconventional reservoirs which is necessary for economically viable production operations. Hydraulic fracturing in unconventional reservoirs has become an essential operation because...

... interpretation thermo-hydraulic model shut-in time coefficient temperature profile fluid velocity wellbore completion injection equation hydraulic fracturing Introduction Wellbore monitoring using distributed fiber-optics technology is quickly becoming an industry accepted practice...

... production decline rates. Artificial Intelligence Fluid Dynamics epoxy penetration flow in porous media Pore System experiment reservoir simulation reservoir pressure porosity Reservoir Characterization Upstream Oil & Gas time step reservoir mechanism matrix differential equation...

... on production strategies and stimulation design for Marcellus shale gas reservoirs. complex reservoir Phase Behavior condensate saturation condensate bank development critical property size effect shale gas reservoir reservoir fluid saturation dynamic equation Upstream Oil & Gas gas...

... first review various approaches used for modeling adsorption on coal and organic-rich shale, including newer approaches such as the 2D Equation-of-State (2D-EOS) method. We discuss extensions of simple approaches, such as the Langmuir and Dubinin- Radushkevich (D-R) equations, to modeling supercritical...

... form the major flow path. The flow equations, which could include flow contributions from matrix blocks of various size, permeability and porosities, are solved by the Laplace transform analytical solutions and finite-difference numerical solutions. The accuracy of flow from and into nano-Darcy matrix...

... assumption injection criterion stress state seismicity equation ktb site fault friction coefficient Shapiro society of petroleum engineers Introduction Permeability of an oil or gas reservoir is an important parameter that impacts important decisions regarding reservoir management...

... that slip but also the bulk fluid, i.e., double slip. The double-slip effect is shown using measured permeability data of a crushed nanoporous material with a uniform pore size (10< h <40 nm) at varying pore pressures. Using the simulation results we propose a modification to the Klinkenberg equation...

... of petroleum engineers boundary reservoir flow regime equation material balance time permeability srv rnp Introduction Abstract Unconventional reservoirs, shale gas and oil for instance, have proven to be an important contributor to hydrocarbon production in North America. Horizontal wells...

... source, the compressed gas stored in pore spaces, gas adsorbed at pore walls and gas diffusing from the kerogen have been considered. To imitate the actual scenario, real gas has been considered to model the flow. Partial differential equations were derived capturing the physics and finite difference...