Research on Intelligent Optimization of Wellbore Trajectory in Complex Formation

Borehole trajectory optimization is a key issue in oil and gas drilling engineering. The traditional wellbore trajectory design method faces great challenges in optimizing the trajectory length and complexity, and it is difficult to meet the actual engineering requirements. In this paper, the three-...

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Veröffentlicht in:Applied sciences Jg. 15; H. 3; S. 1364
Hauptverfasser: Gu, Haipeng, Yan, Tie, Wu, Yang
Format: Journal Article
Sprache:Englisch
Veröffentlicht: Basel MDPI AG 01.02.2025
Schlagworte:
Accuracy
Algorithms
Analysis
Artificial intelligence
Design techniques
Efficiency
elite learning strategies
Fluid dynamics
Genetic algorithms
Geology
Mathematical optimization
multi-objective optimization
Oil well drilling
Optimization algorithms
Pareto optimum
particle swarm optimization algorithm
Research methodology
Shale gas
wellbore trajectory
China
ISSN:2076-3417, 2076-3417
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Zusammenfassung:Borehole trajectory optimization is a key issue in oil and gas drilling engineering. The traditional wellbore trajectory design method faces great challenges in optimizing the trajectory length and complexity, and it is difficult to meet the actual engineering requirements. In this paper, the three-stage wellbore trajectory optimization problem is studied, and a multi-objective optimization model including two objective functions of trajectory length and trajectory complexity is constructed. In this paper, an improved multi-objective particle swarm optimization algorithm is proposed, which combines the clustering strategy to improve the diversity of solutions, and enhances the local search ability and global convergence performance of the algorithm through the elite learning strategy. In order to verify the performance of the algorithm, comparative experiments were carried out using classical multi-objective benchmark functions. The results showed that the improved algorithm is superior to the traditional method in terms of diversity and convergence of solutions. Finally, the proposed algorithm was applied to the actual three-stage wellbore trajectory optimization problem. In summary, the research results of this paper provide theoretical support and engineering practice methods for wellbore trajectory optimization, and serve as an important reference for further improving the efficiency and quality of wellbore trajectory design.
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ISSN:2076-3417
2076-3417
DOI:10.3390/app15031364