Multi-objective optimization for oil-gas production process based on compensation model of comprehensive energy consumption using improved evolutionary algorithm | Zendy

Tan Liu | Zendy; Qinyun Yuan | Zendy; Lina Wang | Zendy; Yonggang Wang | Zendy; Nannan Zhang | Zendy

Open Access

Multi-objective optimization for oil-gas production process based on compensation model of comprehensive energy consumption using improved evolutionary algorithm

Author(s) -

Tan Liu,

Qinyun Yuan,

Lina Wang,

Yonggang Wang,

Nannan Zhang

Publication year - 2020

Publication title -

energy exploration and exploitation

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.435

H-Index - 30

eISSN - 2048-4054

pISSN - 0144-5987

DOI - 10.1177/0144598720976632

Subject(s) - sorting , multi objective optimization , energy consumption , genetic algorithm , production (economics) , mathematical optimization , process (computing) , compensation (psychology) , gas oil ratio , computer science , algorithm , engineering , mathematics , petroleum engineering , psychology , psychoanalysis , electrical engineering , economics , macroeconomics , operating system

This paper establishes an error compensation multi-objective optimization model of oil-gas production process for optimizing these production indices, including overall oil production, overall water production and comprehensive energy consumption per ton of oil. In order to reduce the error between the model output and the actual value of comprehensive energy consumption per ton of oil, combining the mechanism model with least squares support vector machine (LS-SVM) error model optimized by Bayesian optimization algorithm (BOA), a hybrid model is established to predict the comprehensive energy consumption, in which the mechanism model is used to describe the overall characteristics of oil-gas production process, and LS-SVM error model is established to compensate the mechanism model error. Then, in order to improve the performance of Pareto non-dominated solutions, an improved non-dominated sorting genetic algorithm-II with multi-strategy improvement (IMS-NSGA-II) is proposed to solve the error compensation multi-objective optimization model. Finally, the effectiveness and superiority of the the proposed optimization method are verified by the experiment results on some stand test problems and the optimization problem for the oil-gas production process in a block of an oil production operation area.

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