Research on Covariance Localization of Enkf Reservoir-Assisted History Fitting Method Based on Fast Marching Method

Jiang, N; Qu, GH; Zhang, RZ; Li, MD; Zhi, JQ

Qu, GH (corresponding author), Northeast Petr Univ, Sch Petr Engn, Daqing 163318, Heilongjiang, Peoples R China.; Qu, GH (corresponding author), Northeast Petr Univ, Key Lab Enhanced Oil Recovery, Daqing 163318, Peoples R China.

CHEMISTRY AND TECHNOLOGY OF FUELS AND OILS, 2021; 57 (3): 602

Abstract

The Ensemble Kalman filter (EnKF) is a widely used intelligent algorithm in the field of automatic history fitting. The method has a number of drawbac......

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