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首页> 外文期刊>Advances in Petroleum Exploration and Development >Finite Volume Method for Solving a Modified 3-D 3-Phase Black-Oil Hydrocarbon Secondary Migration Model, and Its Application to the Kuqa Depression of the Tarim Basin in Western China
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Finite Volume Method for Solving a Modified 3-D 3-Phase Black-Oil Hydrocarbon Secondary Migration Model, and Its Application to the Kuqa Depression of the Tarim Basin in Western China

机译：修正的3-D三相黑油油气二次运移模型的有限体积法及其在中国西部塔里木盆地库车De陷中的应用

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摘要

By using a finite volume method as a solver, a modified 3-D 3-phase (water, oil, gas) black-oil model for modeling hydrocarbon (HC) secondary migration in the context of basin modeling is presented in this paper. The model predicts the quantity and distribution of HC accumulation in space and time. The black-oil model used in basin modeling is more complex and more difficult to model than that in reservoir simulations, as the model includes variable simulation ranges, very long simulation times, initial conditions, natural sources and sinks, and reservoir gridcells. In the proposed finite volume formulation, the gridding of variable 3-D geological volumes is performed using perpendicular bisection (PEBI) gridcells, which makes the discretization and subsequent implementation of 3-phase flow equations much easier than when using hexahedral or tetrahedral gridcells. The stability and convergence of the solutions have been improved by using finite volumes with PEBI gridcells and the fully implicit formulation. A detailed case study in the Kuqa Depression of the Tarim Basin in western China shows that the simulation results and predictions agree well with field evaluations.
机译：通过使用有限体积方法作为求解器，本文提出了在盆地模拟的背景下改进的3-D三相（水，油，气）黑油模型，用于模拟碳氢化合物（HC）的二次运移。该模型预测了时空中HC积累的数量和分布。与储层模拟相比，盆地模拟中使用的黑油模型更为复杂且更难建模，因为该模型包括可变的模拟范围，非常长的模拟时间，初始条件，天然烃源和汇以及储层网格单元。在提出的有限体积公式中，使用垂直二分（PEBI）网格单元对可变的3D地质体积进行网格划分，这比使用六面体或四面体网格单元更容易离散化和随后实现三相流方程。通过使用有限体积的PEBI网格单元和完全隐式公式，可以提高解决方案的稳定性和收敛性。在中国西部塔里木盆地库车De陷的详细案例研究表明，模拟结果和预测结果与现场评估非常吻合。

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