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Keywords: equation
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Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-168987-MS
... 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...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-168967-MS
... 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...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-168993-MS
... 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...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-168980-MS
... 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...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-168995-MS
... regimes. Sagar et al. (1991) present a model based on the Coulter-Bardon equation and Ramey and Willhite's thermal model ( Willhite 1967 ). They combined the effect of Joule-Thomson and kinetic energy terms into a single term and expressed it in terms of parameters incorporating field data. Data from...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-168981-MS
... 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...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-168982-MS
... 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...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-168978-MS
... 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...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-168964-MS
... 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...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-168965-MS
... 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...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-169017-MS
... 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...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-169011-MS
... 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...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference-USA, April 10–12, 2013
Paper Number: SPE-164538-MS
... condensate bank development critical property size effect shale gas reservoir reservoir fluid saturation dynamic equation Upstream Oil & Gas gas reservoir fluid property condensation reservoir shale gas compressibility porosity matrix simulation response pareto chart spe 164538...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference-USA, April 10–12, 2013
Paper Number: SPE-164532-MS
... the simple Langmuir model and its extension to multi-components. In this work, we 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...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference-USA, April 10–12, 2013
Paper Number: SPE-164528-MS
... is the focus of this paper. In this paper, we first present the diffusivity equation to include multiple matrices for the dual-porosity reservoirs. The formulation accounts for the flow contributions from matrix blocks of various size, permeability and porosities. To assess the effect of matrix-fracture...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference-USA, April 10–12, 2013
Paper Number: SPE-164551-MS
... Fluid Dynamics shear failure favorably flow in porous media estimation permeability Zoback assumption injection criterion stress state seismicity equation ktb site fault friction coefficient Shapiro society of petroleum engineers Introduction Permeability of an oil or gas...
Proceedings Papers

Paper presented at the SPE Americas Unconventional Resources Conference, June 5–7, 2012
Paper Number: SPE-154977-MS
... 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. New double-slip Klinkenberg equation includes a characteristic length scale ( L KE ) that is proportional to the kinetic energy per...
Proceedings Papers

Paper presented at the SPE Americas Unconventional Resources Conference, June 5–7, 2012
Paper Number: SPE-155614-MS
... in the SRV. Subsequently, observed field rates and pressures can be matched with a global model to refine the estimates from the flow regime analysis. Although numerical models can be used to match the data, in this study we employed an analytical flow regime equations that provides fast and accurate results...
Proceedings Papers

Paper presented at the SPE Americas Unconventional Resources Conference, June 5–7, 2012
Paper Number: SPE-155756-MS
... of pores and Knudsen diffusion have been included. For the gas 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...

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