数据驱动与物理驱动融合的双驱动渗流代理模型构建
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毕剑飞(1995—),男,安徽淮南人,在读博士研究生,从事非常规油气实验及模拟技术等方面的研究。E-mail:jianfei_bi@163.com。

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国家自然科学基金项目“页岩储层压裂液侵入/返排/滞留机理及其对气井产能影响规律研究”(52104051)、“非常规储层纳米孔中水驱气动态润湿机理与传输特性”(52174041)和“页岩气有效储渗孔隙跨尺度耦合渗流及产出规律研究”(51874319),教育部启动基金项目“页岩储层气水两相赋存特征及流动机理研究”(2462021QNXZ002),国家博士后创新人才支持计划“页岩油藏注CO2开发油-气-水多元共存体系复杂相变与流动机制研究"(BX20220350)。


A data-driven flow surrogate model based on a data-driven and physics-driven method
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    摘要:

    渗流代理模型的构建是油气藏模拟技术研究的前沿方向,而目前广泛使用的纯数据驱动渗流代理模型无理论支撑,对数据数量和质量的要求较高,很大程度上限制了渗流代理模型的发展。为此提出了数据驱动与物理驱动相融合的双驱动渗流代理模型,其在纯数据驱动渗流代理模型的基础上,融合油气渗流理论,模拟预测油气渗流过程。结果表明:相较于纯数据驱动渗流代理模型,即使训练数据极度稀疏,双驱动渗流代理模型仍具有较高的预测精度;通过在训练数据中加入不同等级的干扰噪声,验证了双驱动渗流代理模型的鲁棒性优于纯数据驱动渗流代理模型;通过迁移学习,将训练好的双驱动渗流代理模型应用到新的渗流场,实现了快速收敛并节省了计算资源。

    Abstract:

    The building of flow surrogate models is the frontier of simulation technology research for oil and gas reservoirs.However,the currently widely used pure data-driven flow surrogate models have no theoretical support and require a high data volume and data quality,which greatly limits the development of flow surrogate models. Therefore,this paper proposes a flow surrogate model based on a data-driven and physics-driven method. On the basis of the pure data-driven flow surrogate model,it takes advantage of the flow theory to simulate and predict oil and gas flow processes. Firstly,the dual-driven flow surrogate model is compared with the pure data-driven model. The results show that the proposed model can still maintain high prediction accuracy even if the training data is extremely sparse. Secondly,the robustness of the dual-driven model is explored by adding different levels of noise interference to the training data,and it is verified that the proposed model outperforms the pure data-driven flow surrogate model. Finally,the trained dual-driven flow surrogate model is applied to a new flow field through transfer learning. The model can achieve rapid convergence and save computing resources.

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毕剑飞,李靖,吴克柳,陈掌星,高艳玲,冯东,张晟庭,李相方.数据驱动与物理驱动融合的双驱动渗流代理模型构建[J].油气地质与采收率,2023,30(3):104~114

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  • 在线发布日期: 2023-06-16