... and the history-matching parameters, then ES should give similar results to EnKF, and ES will be a more efficient and much simpler method to implement and apply. The technical advantages of using ES compared to EnKF are severe, especially when the methods are applied with complex real reservoir models. ES...

... upstream oil & gas optimization problem vector practical tool algorithm automatic history-matching algorithm adjustment artificial intelligence reservoir simulation matrix history-matching parameter interpolation reservoir characterization completion enhanced recovery well history...