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1-20 of 96
Keywords: boundary condition
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Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 25 (06): 804–822.
Paper Number: SPE-12950-PA
Published: 01 December 1985
.... 1 , 5 (2) p D = 4 π k r s w ( p i − p r , t ) q μ . (3) t D = k r s w 2 t ϕ μ c r 4 ; r ≧ r s w . skin effect flow rate type curve inner boundary condition storage pressure drop...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 25 (05): 729–742.
Paper Number: SPE-11599-PA
Published: 01 October 1985
... petroleum engineer journal production control complex reservoir time period upstream oil & gas reservoir characterization flow in porous media boundary condition reservoir surveillance fluid dynamics samaniego-v Figure 3 Schematic of system examined by the approximate solution...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 25 (02): 255–267.
Paper Number: SPE-11542-PA
Published: 01 April 1985
... ] . Condition 3 is simply a requirement that the velocities in the regions x > 0 and x < 0 merge smoothly. The various constants in Eqs. 3 and 4 must be related by appropriate boundary conditions at the front. Mass balances on A and B at the front yield 23 11 1982 21 5 1984...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 24 (06): 606–616.
Paper Number: SPE-12934-PA
Published: 01 December 1984
... ) . By describing the boundary conditions at the face of the core, S ( 0,t ) and C 1 ( 0,t ), and the initial conditions throughout the core, S ( x,0 ) and C 1 ( x,0 ), it is possible to obtain S i,n+ 1 explicitly from Ref. 22 . C i,n + 1 then can be obtained explicitly from Ref. 32...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 24 (04): 382–390.
Paper Number: SPE-10502-PA
Published: 01 August 1984
... heterogeneity effect vector field petroleum engineer journal boundary two-dimensional waterfiooding flow in porous media gravity reservoir simulation boundary condition enhanced recovery Several approaches have been proposed recently to improve on the classical finite-differences treatment...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 24 (03): 333–341.
Paper Number: SPE-12814-PA
Published: 01 June 1984
... as the minimization of the chemical cost and maximization of upstream oil & gas saturation waterflooding chemical flooding methods enhanced oil recovery enhanced recovery optimal injection policy costate equation dimensionless distance capillary number artificial intelligence boundary condition...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 24 (03): 328–332.
Paper Number: SPE-11285-PA
Published: 01 June 1984
... pontryagin coefficient costate equation enhanced oil recovery upstream oil & gas necessary condition enhanced recovery boundary condition relation reservoir simulation constraint variation ox vector concentration weak minimum principle injection policy petroleum engineer journal...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 24 (02): 169–179.
Paper Number: SPE-10069-PA
Published: 01 April 1984
... studies of gas drives in which mass transfer plays an important role and (2) the calibration and checking of numerical reservoir simulators for multicomponent, multiphase flow. Copyright 1984, Society of Petroleum Engineers enhanced recovery reservoir oil plane boundary condition hodograph...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 23 (06): 870–878.
Paper Number: SPE-10849-PA
Published: 01 December 1983
... by ar variation in the vertical coordinate, and the fracture criterion, K i = K e , is satisfied at both major and minor axes. The net pressure at the tip, L f , of the long axis required by the boundary condition K i = K c does not seem crucial in determining fracture height or BHP (compare with one...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 23 (04): 613–622.
Paper Number: SPE-10551-PA
Published: 01 August 1983
... or h > h* s , (6) λ = k h ∂ T ∂ p + τ h , (7) β = k h ∂ T ∂ h , artificial intelligence catastrophe theory boundary condition derivative two-phase dome simulator coefficient flow in porous media saturation reservoir simulation...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 23 (04): 623–632.
Paper Number: SPE-10492-PA
Published: 01 August 1983
... scalar work orthomin acceleration work count equation coefficient grid upstream oil & gas decomposition reservoir simulation pressure equation artificial intelligence operator multigrid method algorithm finest grid relaxation modeling & simulation boundary condition relaxation...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 23 (01): 33–41.
Paper Number: SPE-10249-PA
Published: 01 February 1983
... fluid inertia viscosity rod string artificial lift system plunger installation sucker rod polished-rod load coupling fluid column boundary condition valve upstream oil & gas frictional force traveling valve computer program pumping system friction factor dynagraph minimum polished...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 23 (01): 184–190.
Paper Number: SPE-11334-PA
Published: 01 February 1983
... representation facet upstream oil & gas boundary condition equation wave force linear theory prediction free surface cylinder vector correspond computation variation closed-fonn solution procedure circular cylinder design wave petroleum engineer journal prediction The prediction...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 22 (05): 635–646.
Paper Number: SPE-9767-PA
Published: 01 October 1982
... immiscible fluid flow boundary condition equation saturation numerical simulation simulation approximation boundary transport equation reservoir simulation miscible displacement difference equation concentration free surface pressure field petroleum engineer journal incompressibility...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 22 (05): 709–718.
Paper Number: SPE-10081-PA
Published: 01 October 1982
... profiling. 27 7 1981 13 5 1982 15 1 1982 1 10 1982 1 10 1982 Copyright 1982, Society of Petroleum Engineers convection boundary condition coefficient injection zone heat-transfer coefficient anomaly injection enhanced recovery simulator upstream oil & gas...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 22 (05): 616–624.
Paper Number: SPE-9264-PA
Published: 01 October 1982
... buckling behavior length change equilibrium equation boundary condition coefficient The buckling behavior of well tubing and its effect on packer selection and installation have received much attention in the industry. The most well-known analysis of this problem is by Lubinski et al . 1...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 21 (03): 323–338.
Paper Number: SPE-7697-PA
Published: 01 June 1981
... the sandface pressure and saturation boundary conditions can be calculated and how the well boundary itself can be replaced (approximately) by a source function. This paper and the following companion paper, SPE 9770, present a unified viewpoint of material, some of which may be already familiar to simulator...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 21 (02): 249–258.
Paper Number: SPE-8371-PA
Published: 01 April 1981
... of the displacement variables. This can be obtained by solving Eq. 2 subject to appropriate boundary conditions. chuoke equation onset permeability two-phase immiscible displacement instability fluid dynamics fingering displacement boundary condition upstream oil & gas flow in porous media...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 20 (06): 473–486.
Paper Number: SPE-8767-PA
Published: 01 December 1980
... show good agreement for cases where the wells are located at the block center regardless of the grid size or the position of the well block within the grid system. The paper also illustrates how pressure boundary conditions can be applied in cases where the wells are not located at the center of a grid...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE J. 20 (04): 293–303.
Paper Number: SPE-7412-PA
Published: 01 August 1980
... enhanced recovery Upstream Oil & Gas correspond fracture propagation hydraulic fracturing fracture face boundary condition Injection Rate waterflooding fluid loss replacement ratio waterflood-induced hydraulic fracture reservoir permeability Voidage Replacement Ratio propagation...
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