...Introduction reservoir simulation ensemble member localization modeling & simulation nævdal covariance matrix artificial intelligence upstream oil & gas correspond spe 154479 enkf ensemble kalman filter application agm adaptive gaussian mixture filter machine learning...

... nonlinearities in the system and output equations, and especially into the effect of iterative procedures. history matching algorithm permeability field producer vector prediction ensemble enkf covariance matrix production data machine learning assimilation window upstream oil & gas true...

... a complete methodology to address this inverse problem: (1) a covariance matrix adaptation-evolution strategy is used to explore efficiently the properties space; (2) the latter optimizer is coupled with a surface response methodology in order to detect several solutions simultaneously, and to estimate...

... of parameters involved in well placement and high reservoir heterogeneities, stochastic methods such as evolutionary algorithms are the most efficient approaches for optimization. In this paper, we present the CMAES (Covariance Matrix Adaptation - Evolution Strategy) method, which is based on evolutionary...

... balance analysis quantify overlap spe 100257 covariance matrix probability distribution OHIP pvt measurement correlation coefficient posterior distribution volumetric analysis likelihood distribution likelihood pressure data composite plot balance solution probability posterior 0 annual...

... statistical analysis reservoir identification simulation model underbalanced drilling ubd inflow performance upstream oil & gas fluid flow reservoir simulation well performance drilling permeability covariance matrix presented automatic identification artificial intelligence spe 93974...

... the uncertainty in reservoir performance predictions appropriately using these realizations. conditioning pressure data gridblock map estimate upstream oil & gas covariance matrix lnk field geologic modeling hard data reservoir characterization machine learning permeability field well-test...

... parameters. Finally, an outline is presented as to how the concepts developed above may be applied to the full history matching process. P. 297 upstream oil & gas interpretation non-darcy skin pressure transient analysis covariance matrix test interpretation spe 50604 simulation...

... production control spe annual technical conference conditional realization drillstem/well testing enhanced recovery fluid dynamics flow in porous media covariance matrix reservoir surveillance drillstem testing exhibition spe 52089 Introduction It has long been recognized that reservoir...

... operation borehole covariance matrix wellbore position uncertainty correction ellipse intersection well planning independent error source vector misalignment inclination standard deviation upstream oil & gas trajectory design probability spe 36863 application petroleum engineer...