A 3D compositional miscible gas flooding simulator with dispersion using Element-based Finite-Volume method

Luiz Otavio Schmall dos Santos; Francisco Marcondes; Kamy Sepehrnoori

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A 3D compositional miscible gas flooding simulator with dispersion using Element-based Finite-Volume method

机译：基于元素的有限体积方法的具有分散性的3D组成可混溶气体驱油模拟器

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Physical dispersion is one of the most important key parameters in compositional reservoir simulation. It is a phenomenon of mixing with mass transfer occurring when gradients in composition arise or exist. This process tends to homogenize the composition of the phases. When the dispersion term is included in the material balance equations, we obtain a full tensor structure. However, most of the reservoir simulators neglect such an important physical term. In this work, we investigate the governing partial differential equations for modeling miscible flooding by adding dispersion to the material balance equations. The equations are solved by the Element-based Finite-Volume method (EbFVM) in conjunction with unstructured meshes. Results of several compositional reservoir simulation case studies are presented to demonstrate the application of the method.

机译：物理扩散是组成油藏模拟中最重要的关键参数之一。当组成梯度出现或存在时，这是一种与传质混合的现象。该过程倾向于使相的组成均匀。当色散项包括在材料平衡方程中时，我们可以获得完整的张量结构。但是，大多数储层模拟器都忽略了这一重要的物理术语。在这项工作中，我们通过将弥散添加到材料平衡方程中，研究了用于控制混溶驱油的控制偏微分方程。通过基于元素的有限体积方法（EbFVM）结合非结构化网格求解方程。提出了几个成分储层模拟案例研究的结果，以证明该方法的应用。

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《Journal of Petroleum Science & Engineering》 |2013年第null期|共8页
作者
Luiz Otavio Schmall dos Santos; Francisco Marcondes; Kamy Sepehrnoori;
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正文语种 eng
中图分类石油、天然气工业;
关键词
physical dispersion; compositional reservoir simulation; unstructured meshes; EbFVM;

机译：物理弥散;组成油藏模拟;非结构网格;EbFVM;

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1. A 3D compositional miscible gas flooding simulator with dispersion using Element-based Finite-Volume method [J] . Luiz Otavio Schmall dos Santos, Francisco Marcondes, Kamy Sepehrnoori Journal of Petroleum Science & Engineering . 2013,第Null期

机译：基于元素的有限体积方法的具有分散性的3D组成可混溶气体驱油模拟器
2. An element-based finite-volume method approach for heterogeneous and anisotropic compositional reservoir simulation [J] . Francisco Marcondes, Kamy Sepehrnoori Journal of Petroleum Science & Engineering . 2010,第1a2期

机译：非均质各向异性储层模拟的基于单元的有限体积方法
3. A Family of Positive Flow-Weighted Advection Schemes for Element-Based Finite-Volume Methods [J] . Fernando S. V. Hurtadoa amp, Clovis R. Maliskaa* Numerical Heat Transfer, Part B: Fundamentals . 2012,第2a3期

机译：基于单元的有限体积方法的正流动加权对流方案族
4. On the Importance of Dispersion and Heterogeneity in the Compositional Simulation of Miscible Gas Processes [C] . M. Haajizadeh, F.J. Fayers, A.P. Cockin, SPE Asia Pacific improved oil recovery conference (APIORC 99) . 1999

机译：弥散性气体过程组成模拟中分散性和非均质性的重要性
5. An expert system to aid in compositional simulation of miscible gas flooding. [D] . Khan, Sameer Ali. 1992

机译：一个专家系统，可帮助进行混溶性气体驱替的成分模拟。
6. GADEN: A 3D Gas Dispersion Simulator for Mobile Robot Olfaction in Realistic Environments [O] . Javier Monroy, Victor Hernandez-Bennetts, Han Fan, 2017

机译：GADEN：适用于现实环境中移动机器人嗅觉的3D气体扩散模拟器
7. The thermodynamic changes that occur upon mixing five models of formamide and three models of water, including the miscibility of these model combinations itself, is studied by performing Monte Carlo computer simulations using an appropriately chosen thermodynamic cycle and the method of thermodynamic integration. The results show that the mixing of these two components is close to the ideal mixing, as both the energy and entropy of mixing turn out to be rather close to the ideal term in the entire composition range. Concerning the energy of mixing, the OPLS/AA-mod model of formamide behaves in a qualitatively different way than the other models considered. Thus, this model results in negative, while the other ones in positive energy of mixing values in combination with all three water models considered. Experimental data supports this latter behavior. Although the Helmholtz free energy of mixing always turns out to be negative in the entire composition range, the majority of the model combinations tested either show limited miscibility, or, at least, approach the miscibility limit very closely in certain compositions. Concerning both the miscibility and the energy of mixing of these model combinations, we recommend the use of the combination of the CHARMM formamide and TIP4P water models in simulations of water-formamide mixtures. [O] . Kiss, Bálint, Fábián, Balázs, Idrissi, Abdenacer, 2017

机译：通过使用适当选择的热力学循环和热力学积分方法进行蒙特卡罗计算机模拟，研究了将五种甲酰胺模型和三种水模型混合在一起时发生的热力学变化，包括这些模型组合本身的可混溶性。结果表明这两种组分的混合接近于理想的混合，因为混合的能量和熵在整个组成范围内都非常接近理想的项。关于混合的能量，甲酰胺的OPLS / AA-mod模型与其他模型相比，在质量上有不同的表现。因此，该模型得出的结果是负的，而其他模型则综合考虑了所有三个水模型的结果的正能量。实验数据支持后一种行为。尽管混合的亥姆霍兹自由能在整个组成范围内始终为负，但大多数测试模型组合显示出有限的混溶性，或至少非常接近某些组合物的混溶性极限。关于这些模型组合的可混溶性和混合能量，我们建议在水-甲酰胺混合物的模拟中使用CHARMM甲酰胺和TIP4P水模型的组合。
8. Simulation of Miscible Gas Displacement with a Finite Element Compositional Simulator. [R] . Fjellerup, J. S. 1988

机译：用有限元组合模拟器模拟混相气体位移。

A 3D compositional miscible gas flooding simulator with dispersion using Element-based Finite-Volume method

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