... perfonnance tulsa permeability field inversion variation multiple realization dynamic data reservoir characterization penneability field constraint penneability spatial relationship prediction upstream oil & gas production rate reservoir description future prediction enhanced recovery...

... and the gauge assembly is almost the entire system. Copyright 1997, Society of Petroleum Engineers electronics drillstem/well testing upstream oil & gas spe formation evaluation software tahoe 4st2 pressure signal drillstem testing pressure transient testing gauge system manufacturer...

... response alone was considered ambiguous as a consequence of similar log responses being generated by different lithologies. 7 Copyright 1997, Society of Petroleum Engineers sediment upstream oil & gas deposition interpretation lower lagunilla reservoir lower lagunilla member sequence...

... frequency pressure transient analysis interpretation pressure transient testing observation well active well heterogeneity variation information permeability distribution estimation flow rate contribution sinusoidal flow rate upstream oil & gas pulse test permeability flow in porous...

... sequence deviation angle shoulder bed sand fraction induction log response dip deviation angle anisotropy upstream oil & gas structural geology annual logging symposium macroscopic resistivity log analysis reservoir characterization sand laminae (1) σ H = σ s d h...

... fracture intensity petrofacies tectonic fracture upstream oil & gas reservoir simulation fracture spacing fracture type flow in porous media complex reservoir tor formation ekofisk field grid modeling & simulation structural geology matrix permeability Ekofisk is a very...

... formation evaluation upstream oil & gas pressure drop artificial intelligence cylinder Determination of relative permeability and capillary pressure properties (multiphase-flow functions) from experimental data has received a great deal of attention in the past half decade. Substantial...

... procedure flow in porous media upstream oil & gas coarse-grid wellblock permeability distribution production monitoring heterogeneity engineering effective permeability reservoir surveillance fluid dynamics numerical dispersion formation evaluation production control enhanced recovery...

... with gas-oil contacts observed at infill wells. 25 10 1993 12 6 1997 31 7 1997 1 12 1997 1 12 1997 Copyright 1997, Society of Petroleum Engineers upstream oil & gas shale indicator shale spe formation evaluation prudhoe bay variogram model mechanism...

... sandstone core. We compared NMRI and effluent recovery methods. T 2 of the displacement fluids were sensitive to displacement conditions. imaging fluid dynamics experiment 2 reson agreement saturation nmri magn upstream oil & gas flow in porous media experiment 1 cpmg method spe formation...

... line buildup test dimensionless time production control upstream oil & gas spe formation evaluation circumstance flow in porous media bilinear-flow period reservoir surveillance semilog straight line hydraulic fracturing procedure production monitoring example 2 fluid dynamics...

.... simulation gullfak ss communication reservoir unit fault-seal analysis fluid contact geology evaluation reservoir characterization development plan uncertainty quantification petrophysical variable pressure barrier upstream oil & gas hc fraction fault segment brent reservoir gradient...

... Copyright 1997, Society of Petroleum Engineers compressional-and shear-wave velocity sandstone permeability upstream oil & gas effective pressure reflection pyroxene transducer inverse-quality factor petrophysical property clay content attenuation silty sandstone frequency...

... porosity experiment flow in porous media solid concentration simulation filter cake waterflooding upstream oil & gas injectivity decline fluid dynamics spe formation evaluation mechanism enhanced recovery particle permeability filtration transition time equation example data drilling...

... enthalpy. Similarly, enthalpy increases with increasing fluid density (decreasing API gravity), as shown in Fig. 6 . Thus, the total mass rate dictates the WHT behavior. momentum production control buildup drillstem testing wellbore upstream oil & gas production logging temperature profile...

... 1997, Society of Petroleum Engineers neural network well log data permeability prediction upstream oil & gas machine learning virtual measurement technique regression method regression fluid dynamics log data well logging prediction permeability log analysis artificial...

... testing laminar drillstem testing finite-conductivity solution drillstem/well testing dimensionless production rate finite-conductivity pressure transient production logging regime upstream oil & gas pressure transient behavior wellbore flow equation A finite-conductivity solution...

... producer water-cut observation production data SPE Formation Evaluation Reservoir Characterization Upstream Oil & Gas gridblock streamline production history permeability field History inversion permeability Copyright 1997, Society of Petroleum Engineers 25 10 1996 20 5...

... conductivity well logging clay content resolution analysis result herron correlation upstream oil & gas geochemical analysis assumption geochemical characterization structural geology reservoir characterization enhancement core analysis During the last decade, geochemical logging has...

... imaging nmri hydraulic fracturing nmr image upstream oil & gas precision reservoir characterization evaluation plate clearance fluid dynamics well logging log analysis Previous investigations 1 – 3 indicate that spatial variability in the aperture of natural fractures contributes...