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Keywords: boundary condition
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Proceedings Papers

Paper presented at the SPE Oklahoma City Oil and Gas Symposium, April 9–10, 2019
Paper Number: SPE-195221-MS
... the efficiency of each fracture. To obtain the analytical solution from an existing wellbore fluid energy balance equation, we use the Method of Characteristics with the input of a relevant thermal boundary condition. The temperature modeling results acquired from this analytical solution are validated against...
Proceedings Papers

Paper presented at the SPE Oklahoma City Oil and Gas Symposium, March 27–31, 2017
Paper Number: SPE-185112-MS
... the assumption of plane strain, the interference well test was generalized to also find the average in-situ Poisson's ratio. An extension and comparison of this model to several different boundary conditions such as generalized plane stress and uniaxial strain is proposed. Firstly, the three-dimensional theory...
Proceedings Papers

Paper presented at the SPE Production and Operations Symposium, March 1–5, 2015
Paper Number: SPE-173604-MS
... system sand control cylinder boundary condition analytical solution Upstream Oil & Gas stream function incompressibility condition perturbation method quantity different eccentricity new method mechanics transformation coordinate system equation Newtonian fluid society of petroleum...
Proceedings Papers

Paper presented at the SPE Production and Operations Symposium, March 1–5, 2015
Paper Number: SPE-173593-MS
... fracturing Directional Drilling pilot hole perforation cluster horizontal well well logging Upstream Oil & Gas completion production rate dipole sonic log Woodford formation boundary condition placement production log closure stress vertical closure stress Introduction Horizontal...
Proceedings Papers

Paper presented at the SPE Production and Operations Symposium, March 1–5, 2015
Paper Number: SPE-173588-MS
... for a reservoir in the Anadarko basin. The Dykstra-Parsons coefficient computed indicates a highly heterogeneous and complex reservoir. This work compares different upscaling algorithms for both primary and secondary reservoir depletion processes. Also, the effects of different boundary conditions were tested...
Proceedings Papers

Paper presented at the SPE Production and Operations Symposium, March 23–26, 2013
Paper Number: SPE-164489-MS
... approach injection gas pressure cavern pressure salt cavern cavern shape gas injection Simulation boundary condition equation wellbore SPE 164489 Modeling and Analysis of Salt Cavern Natural Gas Storage P. Barajas and F. Civan, SPE, the University of Oklahoma Copyright 2013, Society...
Proceedings Papers

Paper presented at the SPE Production and Operations Symposium, March 27–29, 2011
Paper Number: SPE-141947-MS
... boundary condition diffusion fracture experiment boundary matrix Introduction It is common to inject gas in naturally fractured reservoirs to maintain the reservoir pressure, and increase oil recovery primarily by gravity drainage and, to a lesser extent, by mass-transfer between the flowing...
Proceedings Papers

Paper presented at the SPE Production and Operations Symposium, April 4–8, 2009
Paper Number: SPE-120084-MS
... Abstract In this paper, the buckling equation and natural boundary conditions are derived with the aid of calculus of variations. The natural and geometric boundary conditions are used to determine the proper solution that represents the post-buckling configuration. Effects of friction...
Proceedings Papers

Paper presented at the Production and Operations Symposium, March 31–April 3, 2007
Paper Number: SPE-106751-MS
... and the equation describing slightly compressible two-phase flow is developed. The connection at the interfaces of these two flow regions is derived by the extension of Beavers-Joseph-Saffman boundary condition to two-phase flow. The application of Darcy-Stokes flow model to Tahe reservoir demonstrates...
Proceedings Papers

Paper presented at the Production and Operations Symposium, March 31–April 3, 2007
Paper Number: SPE-106947-MS
... rigorous analytical model horizontal drain hole flow rate equation total flow rate finite conductivity boundary condition mathematical model fluid flow analytical model permeability horizontal well multilateral well production rate wellbore finite conductivity applied Introduction...
Proceedings Papers

Paper presented at the SPE Production Operations Symposium, April 16–19, 2005
Paper Number: SPE-94267-MS
... matrix-fracture interface boundary conditions. For this purpose, the previous approaches mostly assumed constant fracture fluid conditions (Dirichlet type), such as prescribed pressure and/or saturation, over the surfaces of the matrix block. Then, Duhamel's rule has been applied in order to account...
Proceedings Papers

Paper presented at the SPE Production Operations Symposium, April 16–19, 2005
Paper Number: SPE-94245-MS
... perforation upstream oil & gas pressure drop nonuniformity perforation tunnel permeability flow rate boundary condition configuration flow distribution flow geometry core target radial-axial case contribution laboratory flow target completion installation and operations perforation length...
Proceedings Papers

Paper presented at the SPE Production and Operations Symposium, March 23–25, 2003
Paper Number: SPE-80918-MS
... and secondary oil production by water flooding of oil reservoirs by considering hindered-fluid transfer between matrix blocks and the surrounding natural fractures. The analytical solutions derived for special boundary conditions involving the typical laboratory tests using rectangular and cylindrical shape...
Proceedings Papers

Paper presented at the SPE Production and Operations Symposium, March 23–25, 2003
Paper Number: SPE-80892-MS
... simpler shapes are considered to represent the matrix blocks formed by intersecting fractures in petroleum reservoirs. Then, full scale, and short- and long-time analytical solutions are presented. The analytical solutions are derived also for special boundary conditions involving the rectangular...
Proceedings Papers

Paper presented at the SPE Mid-Continent Operations Symposium, March 28–31, 1999
Paper Number: SPE-52215-MS
... that the predicted surface dynamometer card matches the measured card. Equations 7 through 15 , along with their appropriate boundary conditions, constitute a set of governing equations for the motion of the rod string and fluid column in deviated wells. The first two equations represent the longitudinal...
Proceedings Papers

Paper presented at the SPE Mid-Continent Gas Symposium, April 28–30, 1996
Paper Number: SPE-35269-MS
... to obtain a uniform potential along the vertical well. However Muskat's solution was for a few cases of vertical partially penetrating wells. Studying these cases, Muskat showed that the wellbore potential obtained by uniform potential inner boundary condition is identical to the solution of the uniform...
Proceedings Papers

Paper presented at the SPE Mid-Continent Gas Symposium, April 28–30, 1996
Paper Number: SPE-35270-MS
...) Method this paper provides a general analytical solution to potential distribution due to a producer with straight or curvilinear configuration for both uniform flux and uniform potential inner boundary conditions in 3-D. The results consist of: 1) the equations for productivity indices, 2) shape...
Proceedings Papers

Paper presented at the SPE Production Operations Symposium, April 2–4, 1995
Paper Number: SPE-29465-MS
... to be multilayered, with mixed reservoir layer completion types and outer boundary shapes, drainage areas and boundary conditions. The well performance model can be used to simulate performance in three different operating modes: (1) constant wellhead rate, (2) constant bottomhole pressure, and (3) constant wellhead...
Proceedings Papers

Paper presented at the SPE Production Operations Symposium, March 21–23, 1993
Paper Number: SPE-25455-MS
... boundary condition fractured well permeability semi-analytic reservoir model literature analytic solution drillstem/well testing reservoir reservoir pressure fluid dynamics reservoir simulation production control time geology reservoir surveillance hydraulic fracturing geologist complex...

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