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Fractured reservoir history matching improved based on artificial intelligent

Petroleum 2016年第4期2卷 344-360页

作者： sayyed hadi riazi Ghasem Zargar Mehdi Baharimoghadam Bahman Moslemi Ebrahim Sharifi Darani Department of Petroleum Engineering Petroleum University of Technology(PUT)AhwazIran Department of Reservoir Evaluation National Iranian South Oil Company(NISOC)AhwazIran

In this paper,a new robust approach based on Least Square Support Vector Machine(LSSVM)as a proxy model is used for an automatic fractured reservoir history *** proxy model is made to model the history match objective function(mismatch values)based on the history data of the *** model is then used to minimize the objective function through Particle Swarm Optimization(PSO)and Imperialist Competitive Algorithm(ICA).In automatic history matching,sensitive analysis is often performed on full simulation *** this work,to get new range of the uncertain parameters(matching parameters)in which the objective function has a minimum value,sensitivity analysis is also performed on the proxy *** applying the modified ranges to the optimization methods,optimization of the objective function will be faster and outputs of the optimization methods(matching parameters)are produced in less time and with high *** procedure leads to matching of history of the field in which a set of reservoir parameters is *** final sets of parameters are then applied for the full simulation model to validate the *** obtained results show that the present procedure in this work is effective for history matching process due to its robust dependability and fast convergence *** to high speed and need for small data sets,LSSVM is the best tool to build a proxy *** the comparison of PSO and ICA shows that PSO is less time-consuming and more effective.

关键词： Proxy model LSSVM PSO ICA Sensitive analysis

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The new soliton solutions for long and short-wave interaction system

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Journal of Ocean Engineering and Science 2022年第5期7卷 485-491页

作者： sayyed Masood Zekavatmand hadi Rezazadeh Mustafa Inc Javad Vahidi Mohammad Bagher Ghaemi Department of Applied Mathematics Iran University of Science and TechnologyTehranIran Faculty of Engineering Technology Amol University of Special Modern TechnologiesAmolIran Department of Computer Engineering Biruni UniversityIstanbulTurkey Firat University Science FacultyDepartment of MathematicsElazig 23119 Turkey Department of Medical Research China Medical University HospitalChina Medical UniversityTaichungTaiwan Department of Mathematical Sciences University of South AfricaPretoria 0002South Africa

The goal of this paper is to discover modern soliton solutions to long and short-wave interaction system by procedures called extended rational sine-cosine and rational sinh-cosh *** assume that the equation has a hypothetical soliton *** reorganizing the resulting equations,we obtain a system of *** Maple software,we get unknown coefficients in the system and writing them in the original equation,we obtain new solition solutions of the *** results show that the soliton solutions generated by the method for the long and short-wave interaction system are bright,kink type,bright periodic and dark *** provided 3-D figures to illustrate the *** results indicate that the method employed in this paper is superior than some other methods used in the literature to solve the same system equations.

关键词： Extended rational sine-cosine method Extended rational sinh-cosh method

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