... injection well is drilled 5m above production. Horizontal permeability of the model was uniformly taken 5.0 Darcy and vertical permeability was 1.0 Darcy. Water saturation of 18% and gas saturation of 2% was assumed at the initial reservoir condition. Reservoir porosity was put equal to the porosity...

... body, porosity and permeability distribution. Then, the reservoir engineer can combine this geological model and dynamic data to construct a numerical simulation for whole field. The simulation will test the accurate level of geological model and reflect the performance of field in past times. Accurate...

... fracture height gradient reservoir hydraulic fracturing poisson ratio fracture length sand pressure drop equation secondary sand proppant migration model fracturing fluid permeability minimum principal stress concentration cap rock equation fracture propagation model application...

...1 PAPER 2009-088 Simulation Study of Permeability Impairment Due to Asphaltene Deposition in one of the Iranian Oil Fractured Reservoirs A. MIRZABOZORG University of Calgary M.B. BAGHERI Sharif University of Technology R. KHARRAT Petroleum Research Center J. ABEDI University of Calgary C. GHOTBI...

... fluid dynamics granite flow in porous media sandstone magnitude reservoir geomechanics pore pressure stress principle equation effective stress cross-plotting method upstream oil & gas permeability measurement british columbia average value effective stress law nikanassin...

... and permeability changes against pore pressure, and it is used to assess the pore volume and permeability variation in reservoir simulation. The pore volume and permeability variation depends not only on the pore pressure but also on stress variations. As discussed by Rodrigues (2009), coupled models may be either...

... scenario 2 test duration fracture treatment hydraulic fracturing recorder pressure transient analysis co 2 drillstem testing diagnostic analysis stimulation permeability drillstem/well testing sequence reservoir upstream oil & gas scenario 1 buildup injection cleanup...

... estimation optimization problem history matching observation data relative permeability boundary permeability curve flow in porous media vector ensemble size production data relative root-mean-squared error endpoint artificial intelligence upstream oil & gas reservoir...

... upstream oil & gas variogram permeability horizontal permeability flow simulation heterogeneity estimation porosity geologic modeling facies geological modeling mudstone realization effective permeability flow in porous media clean sand permeability value fluid dynamics...

... segregation (between injected and produced gas) on EGR was also investigated by means of a 2 dimensional physical model containing upper and lower compartments with permeabilities of 2 and 5 D, respectively. The layers were separated with a thin barrier with moderate permeability allowing cross flow...

... leads to a combination of gravity override and CO2 fingering through more permeable zones, leading to early gas breakthrough and, ultimately, less oil being recovered. Therefore continuous immiscible CO2 injection is more problematic in heavy oils than in light oils. It should be noted that, although...

... is forced through the bed. At each stress level, pack width, differential pressure, and average flow rates are measured as fluid is forced through the proppant bed. The proppant pack permeability and conductivity are then evaluated and compared. Introduction A discussion of dominant considerations...

... of steam chamber. Equation (2) calculates the oil rate proposed by Reis: os o am HSkg Lq µ 2 2 = (2) where q = oil production rate L = SAGD length k = permeability = reservoir thermal diffusivity = oil density = porosity S = (initail residual) oil saturation H = the height from production...

... at intermediate capillary numbers, and (iii) bubble mobilization and break up leading to foamy behaviour at the highest capillary numbers and depletion rates. A predictive methodology for the associated continuum-scale constitutive relationships, such as relative permeabilities, is also proposed for each...

... regression line artificial intelligence reservoir characterization ngr cutoff value rma line permeability net pay discriminant analysis trial-and-error method porosity cutoff value fraction upstream oil & gas jensen prob permeability cutoff value fluid dynamics flow...

... pressure drop alkaline flooding alkaline solution sandpack emulsification experimentally alkaline flooding test alkaline concentration flow in porous media enhanced recovery reservoir waterflooding upstream oil & gas permeability fluid dynamics oil recovery emulsion heavy...

.... The use of water-based fracturing fluids in low-permeability reservoirs can result in loss of effective frac half-length caused by phase trapping associated with the retention of the introduced water-based fluid into the formation. This problem is increased by the water-wet nature of most tight-gas...

... dimensionless pressure fracture fractured reservoir permeability linear model radial reservoir log-log plot boundary porosity model constant rate drillstem/well testing reservoir slab matrix region 4 upstream oil & gas equation time plot field data linear reservoir matrix...

... vector hydraulic property reservoir characterization regularization method finite element model reservoir geomechanics vertical displacement artificial intelligence displacement observation point surface heave injection strain distribution permeability source point reservoir...

... with very thin pay zone, bottom water zone and/or overlying gas zone, excessive depths and high water saturation the economical applicability of the thermal methods is doubtful. Additionally, application of thermal processes in carbonate reservoirs with low vertical fracture permeability, low porosity...