增强恢复

物理信息机器学习可改善 CO™ EOR 的预测和连通性识别

本文作者提出了结合机器学习和基于物理的方法的混合模型,使用常规注入或生产和压力数据进行快速生产预测和油藏连通性表征。

图1——现场实例渗透率分布。
图1——现场实例渗透率分布。
来源:SPE 221057。

常规井注入和生产数据包含重要信息,可用于闭环油藏管理和快速现场决策。传统的基于物理的数值油藏模拟在短期决策周期中计算量过大。作为替代方案,简化物理模型的适用范围通常有限。纯机器学习 (ML) 模型通常缺乏物理可解释性,预测能力有限。

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Enhanced recovery

Physics-Informed ML Improves Forecasting, Connectivity Identification for CO₂ EOR

The authors of this paper propose hybrid models, combining machine learning and a physics-based approach, for rapid production forecasting and reservoir-connectivity characterization using routine injection or production and pressure data.

Fig. 1—Permeability distribution of the field case.
Fig. 1—Permeability distribution of the field case.
Source: SPE 221057.

Routine well injection and production data contain significant information that can be used for closed-loop reservoir management and rapid field decision-making. Traditional physics-based numerical reservoir simulation can be prohibitive computationally for short-term decision cycles. As an alternative, reduced physics models often have a limited range of applicability. Pure machine-learning (ML) models often lack physical interpretability and can have limited predictive power.

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