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  1. No Access

    Article

    Gaussian mixture model fitting method for uncertainty quantification by conditioning to production data

    For most history matching problems, the posterior probability density function (PDF) may have multiple local maxima, and it is extremely challenging to quantify uncertainty of model parameters and production f...

    Guohua Gao, Hao Jiang, Jeroen C. Vink, Chaohui Chen… in Computational Geosciences (2020)

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    Article

    Distributed Gauss-Newton optimization method for history matching problems with multiple best matches

    Minimizing a sum of squared data mismatches is a key ingredient in many assisted history matching (AHM) workflows. A novel approach is developed to efficiently find multiple local minima of a data mismatch obj...

    Guohua Gao, Jeroen C. Vink, Chaohui Chen, Yaakoub El Khamra… in Computational Geosciences (2017)

  3. No Access

    Article

    Closed-loop reservoir management on the Brugge test case

    This paper proposes an augmented Lagrangian method for production optimization in which the cost function to be maximized is defined as an augmented Lagrangian function consisting of the net present value (NPV...

    Chaohui Chen, Yudou Wang, Gaoming Li, Albert C. Reynolds in Computational Geosciences (2010)