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Model of Multi-Objective Decision-making Based on Agent and Application in Olifield Develpment

Author: LiWei
Tutor: XuShaoHua
School: Northeast University of Petroleum
Course: Petroleum Engineering Computing Technology
Keywords: Agent Coordination Mechanism multi-objective decision-making Adaptability practical application
CLC: F224
Type: Master's thesis
Year: 2011
Downloads: 58
Quote: 0
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Abstract


In view of the problem of multi-objective decision-making problems in the oilfield development area, the paper studies the multi-objective decision-making theory, models and algorithm, then combining with the theory of Agent coordination.This paper proposes a model of multi-objective decision-making based on Agent. According to the well selection before measure adjustment and other common multi-objective decision-making problems in the oilfield, we develop a decision support system.This paper first studied the basic method of multi-objective decision-making problem and the Agent technology and Agent coordination mechanism.Then through the analysis of several common multi-objective decision-making models and Agent coordination model, researched applicating Agent’s self-adapting and intelligent and more Agent collaboration technology to solve the multi-objective decision-making method, determined decomposing the multi-objective decision-making problem into a series of sub-problemes to solve the mulit-level problem and the contradiction of criteria between the solving process by Agent collaborative and presented the Agent based-on multi-objective decision-making model。Aiming at the collaborative strategy and the problem of communication involving in the model, the paper proposed a Contract Net Protoeo based on acquaintance relation and Agent communication model based on JACL (JSON based-on Agent communication language) which used JSON to encapsulate the ACL. At last designed the framework and hierarchical structure of the prototype system based on the Agent coordination based-on multi-objective decision-making model; after detailed analysis, desined the internal structure of four major Agents;expounds the principle of the system the supporting multi-objective decision-making and the concreteness steps.Aiming at practical application in oilfield development,the model was used in the scheme decision-making in oil field measures adjustment and optimization of the empirical method for predicting development index of oilfiled,the decision-making process was presented too.and the paper gave the function structure diagram of the decision support system and the supporting decision-making process,in detail the fracturing well selection examples was given to verify the validity and feasibility of the model.

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CLC: > Economic > Economic planning and management > Economic calculation, economic and mathematical methods > Economic and mathematical methods
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