一种强化学习方法,用于最佳控制油井产量,使用切割的油井组样本
Yangyang Ding1, Xiang Wang1, Xiaopeng Cao2
1School of Petroleum and Natural Gas Engineering, Changzhou University, No. 1 Middle Penghu Road, Wujin District, Changzhou, Jiangsu, China.
Heliyon
|July 24, 2023
概括
本研究介绍了用于油井生产控制的个性化强化学习 (RL),使用深度Q网络 (DQN) 和软行为者-关键 (SAC) 算法. 这些方法有效地从油库数据中学习,优于传统方法的最佳石油开采策略.
科学领域:
- 石油工程是石油工程中的一个.
- 人工智能的人工智能
- 储水池管理的管理
背景情况:
- 油井生产控制策略受到地质因素的影响,比如水库异质性.
- 传统的优化方法与数值模拟相结合是计算密集型的,缺乏经验保留.
- 现有的算法要求在每一个新的水库中从头开始,从而阻碍了效率.
研究的目的:
- 开发高效和适应性的油井生产控制策略.
- 解决传统优化方法在处理水库复杂性和模拟成本方面的局限性.
- 引入个性化的强化学习算法,以实现最佳的油井管理.
主要方法:
- 为油井控制设计了个性化的深度Q网络 (DQN) 和软演员-关键 (SAC) 算法.
- 作为RL模型的图像类输入,利用了水库属性 (和度,透度).
- 采用图像增强技术来扩展数据集并改善模型概括性.
- 研究了两种训练策略,其中一种是使用四倍多的样本.
主要成果:
- 经过训练的DQN和SAC模型都成功地学习并存储了用于新油井控制的历史经验.
- 学习的策略显示超过95%的协议与全面的最佳策略从详尽的方法.
- 个性化的SAC算法比个性化的DQN算法表现出更高的性能.
- RL模型比传统的粒子集群优化 (PSO) 更快,更具适应性,在复杂的地质条件下表现出色.
结论:
- 个性化的DQN和SAC算法有效地学习和应用基于水库特征的最佳控制策略.
- 拟议的RL方法提供了显著的计算效率,只需要一个模拟新的优化问题.
- 与传统方法相比,强化学习为实时决策和优化油井生产策略提供了一种优越的方法.
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