... simulator enhanced recovery reservoir simulation general unstructured grid water component SPE Symposium linear solver SAGD balance equation simulator solution procedure Modeling & Simulation society of petroleum engineers unstructured grid equation Upstream Oil & Gas primary...

... fluid dynamics symposium coefficient rigorous treatment integration spe 51899 upstream oil & gas reservoir simulation reservoir characterization procedure enhanced recovery spe symposium modeling & simulation jacobian method perpendicular Introduction Reservoirs by nature...

... reservoir simulation spe comparative solution project spe symposium water saturation formulation modeling & simulation participant permeability saturation solution project time step comparative solution project fluid dynamics geology drillstem testing comparison drillstem/well testing...

... reservoir characterization spe symposium Introduction The future aim of reservoir simulation will be to accurately predict the confidence limits for the oil recovered for a given reservoir process (e.g. miscible flood) and given reservoir description. The confidence limits are defined by the upper...

... of this technique are separated and analyzed. Two adaptive implicit VB methods, are examined. Some comparisons of the calculations are demonstrated using a ID radial model. spe symposium implicit model calculation equation simulator impem model coefficient adaptive implicit method reservoir simulator...

.... , " Using Local Grid Refinement in a Multiple-Application Reservoir Simulator, " paper SPE 12255 presented at the 7th SPE Symposium on Reservoir Simulation , San Francisco, CA , Nov. 15-18, 1983 . Quandalle , P. and Besset , P. , " Reduction of Grid Effects Due to Local Sub-gridding...

... local grid refinement society of petroleum engineers spe 25258 algorithm equation of state spe symposium implicitness grid model united states government constraint INTRODUCTION Fine grid simulations are deemed necessary to capture important fluid flow mechanisms in regions with intense...

... government basic grid structural geology geometry calculation spe symposium irregular spe 25260 INTRODUCTION Field-scale reservoir simulation studies are usually carried out on Cartesian grids. This type of grid gives reasonable results in most of the practical cases. However, the standard...

... was observed for the waterflooding simulation. unstructured grid iterative solver convergence spe 21226 weighting iteration upstream weighting ilu velocity field mdf upstream oil & gas forsyth matrix reservoir simulation equation adaptive implicit method spe symposium reordering...

... horizontal well flow in porous media wellbore hydraulic simulation coordinate system united states government production monitoring correlation field-scale simulation pressure drop dimension spe 21218 spe symposium INTRODUCTION The improvement in recovery and economics obtained...

... more overhead data handling than standard orderings. Results for several idealized test cases (IMPES-type equations) are given showing the new method to be faster than standard iterative methods. convergence iteration operation refinement rrb modeling & simulation spe symposium ilu...

.... artificial intelligence grid adaptive implicit method triangle upstream oil & gas discretization permeability global grid refinement fracture spe symposium flow in porous media finite element method thermal method triangulation fluid dynamics element method oil production reservoir...

... complex reservoir enhanced recovery united states government fluid dynamics time flow in porous media pvt measurement discretization drillstem/well testing spe symposium INTRODUCTION In recent years, there has been an increased interest in the simulation of naturally fractured petroleum...

... surveillance fluid dynamics fully-compositional simulator equation of state enhanced recovery united states government development and application flow in porous media production monitoring pet spe symposium complex reservoir condensate reservoir production control lp1 INTRODUCTION Good...

... refinement grid refinement breakthrough time refinement local refinement upstream oil & gas subblock level subblock spe symposium reservoir simulation united states government saturation flexible approach factorization matrix subdivision restriction dynamic local refinement local grid...

... coefficient state compositional modeling computation time grid point time step calculation formulation pressure equation vector mode jacobian efficiency fluid procedure spe symposium united states government vector processor INTRODUCTION In the past, applications using equation of state...

... pressure transient analysis application production control spe-aime petroleum engineer spe symposium porosity permeability simulator spe 16009 enhanced recovery thermal method displacement spe 16009 Introduction Naturally fractured reservoirs have been studied extensively over the last...

... be a more effective tool for simulation than previous versions of sparse elimination. linear equation iterative method vectorization spe symposium equation implementation reservoir model storage upstream oil & gas sparse gaussian elimination gaussian elimination matrix eisenstat...

... production monitoring waterflooding spe symposium reservoir surveillance pvt measurement crossflow injection INTRODUCTION The strongly coupled well model is an established technique in many implicit reservoir simulators. It couples the well rates to the reservoir conditions by creating an extra...