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

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-168965-MS
... experiment reservoir simulation reservoir pressure porosity Reservoir Characterization Upstream Oil & Gas time step reservoir mechanism matrix differential equation geometry reservoir effective stress texture equation fracture permeability effective stress dependence lamination...
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-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 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 of extremely...
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 Unlike conventional reservoirs, in tight gas...
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-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 A fully coupled numerical framework to simulate the hydraulically induced...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-168997-MS
... the more geometric understanding derived from the depth of investigation and drainage volume calculations. We propose a novel approach for rapid field-scale performance assessment of shale gas reservoirs. Our proposed approach is based on a high frequency asymptotic solution of the diffusivity equation...
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-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 In SPE paper 167154, we reviewed completion reports of 425 wells located...
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 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-USA, April 10–12, 2013
Paper Number: SPE-164538-MS
... 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...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference-USA, April 10–12, 2013
Paper Number: SPE-164532-MS
... 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...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference-USA, April 10–12, 2013
Paper Number: SPE-164528-MS
... 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...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference-USA, April 10–12, 2013
Paper Number: SPE-164551-MS
... assumption injection criterion stress state seismicity equation ktb site fault friction coefficient Shapiro society of petroleum engineers Permeability of an oil or gas reservoir is an important parameter that impacts important decisions regarding reservoir management and development...
Proceedings Papers

Paper presented at the SPE Americas Unconventional Resources Conference, June 5–7, 2012
Paper Number: SPE-155614-MS
... examples will further corroborate the applicability and robustness of the methodology. Fig. 1 Reservoir model for hydraulically fractured horizontal well. The model described in this study is based solely on analytical flow regime equations. Hence, problems such as stress-dependent...
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...
Proceedings Papers

Paper presented at the SPE Americas Unconventional Resources Conference, June 5–7, 2012
Paper Number: SPE-155787-MS
... pressure equation formulation permeability complex reservoir capillary tube relaxation saturation relative permeability curve Unconventional reservoirs often have low to ultra-low intrinsic permeabilities in the range of microdarcies to nanodarcies. A low intrinsic permeability of a porous...

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