... 1 12 1997 1 12 1997 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 frequency...

... production rate reservoir description future prediction enhanced recovery production control waterflooding well 1 artificial intelligence reservoir simulation fluid dynamics flow in porous media realization reservoir surveillance pressure response spe formation evaluation production monitoring...

... deposition interpretation lower lagunilla reservoir lower lagunilla member sequence well logging shale spe formation evaluation reservoir venezuela bloque iv flooding surface permeability sea level reservoir characterization study area subdivision log analysis correlation lagunilla...

... information permeability distribution estimation flow rate contribution sinusoidal flow rate upstream oil & gas pulse test permeability flow in porous media spe formation evaluation production monitoring production control correlation pressure response amplitude pressure data artificial...

... separator flow function estimation permeability saturation spe 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...

... gridblock permeability radial flow reservoir simulation spe formation evaluation communication wellblock scaling method ray equation history gridblock procedure flow in porous media upstream oil & gas coarse-grid wellblock permeability distribution production monitoring heterogeneity...

... & gas shale indicator shale spe formation evaluation prudhoe bay variogram model mechanism conditioning data indicator gas indicator variogram net gas column thickness gas-oil contact geologic modeling geological modeling modeling & simulation infilliocation study area gas column...

... resolution water-cut history flow in porous media injector permeability variation sensitivity producer water-cut observation production data SPE Formation Evaluation Reservoir Characterization Upstream Oil & Gas gridblock streamline production history permeability field History inversion...

... magn upstream oil & gas flow in porous media experiment 1 cpmg method spe formation evaluation intensity saturation value displacement experiment 3 displacement experiment pixel attenuation experiment reservoir characterization magnetic field gradient enhanced recovery...

... 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...

... oil & gas injectivity decline fluid dynamics spe formation evaluation mechanism enhanced recovery particle permeability filtration transition time equation example data drilling fluids and materials formation damage external filter cake water management geometry impairment...

... attenuation silty sandstone frequency chloritization quality factor porosity igneous rock mpa effective pressure microcrack alteration process chlorite reservoir characterization spe formation evaluation structural geology coefficient There are few published velocity and attenuation data...

... fluid temperature bhp whp production monitoring spe formation evaluation wellhead drawdown wellbore reservoir simulator reservoir surveillance geothermal gradient fluid enthalpy coefficient reservoir simulation temperature transient september 1997 Single-phase production to surface...

... regression fluid dynamics log data well logging prediction permeability log analysis artificial intelligence multiple regression west virginia flow in porous media core measurement well 1110 model development artificial neural network variable regression empirical model spe formation...

... pressure production contribution production monitoring infinite conductivity pressure transient analysis drilling operation spe formation evaluation downstream end pressure transient testing laminar drillstem testing finite-conductivity solution drillstem/well testing dimensionless production...

... enhancement of the petrophysical analysis, and we compare the results in an actual field example. vertical resolution spe formation evaluation resistivity variation log analysis high-resolution clay indicator reservoir saturation permeability mineral porosity conductivity well logging clay...

... drilling application determination log analysis upstream oil & gas spe formation evaluation puc equipment reservoir geomechanics wellbore seismic structural geology rig site Sonic logs have so many applications that many operators run them almost systematically on their wells. Among...

... Copyright 1997, Society of Petroleum Engineers buildup data permeability procedure field example diagnosis example 1 example 3 reservoir drawdown rate history consistency spe formation evaluation agreement upstream oil & gas drillstem/well testing drillstem testing example 4 good...

... linear regression spe formation evaluation ace upstream oil & gas flow in porous media optimal transformation 22 4 1996 5 2 1997 11 3 1997 1 6 1997 1 6 1997 Copyright 1997, Society of Petroleum Engineers Nonparametric regression techniques 5 based...

... Engineers pressure response amplitude periodicity best fit reservoir interpretation application evaluation method observation well pressure change investigation noise component drillstem testing active well evaluation spe formation evaluation data series transformation pulse test...