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Improved Surface-Subsurface Coupled Reservoir Simulation using Automatic PID Control ?

机译:使用自动PID控制改进的地表-地下耦合储层模拟

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A PID control scheme has been developed to reduce both non-physical oscillations and computational effort in coupled surface-subsurface simulation. It is shown that the employed control scheme selects superior time steps as compared to a commercial off-the-shelf coupling software (with respect to computational efficiency). Our methods include a novel implementation of a time stepping algorithm in a PID framework. The PID controlled simulation was 297% faster than the default simulation, and incurred less than 0.5% error in production profiles. The control scheme developed can be applied to any commercial simulator where the user can select the time step, without alterations to underlying code.
机译:已开发出一种PID控制方案,以减少非物理振荡和耦合地表下模拟的计算量。结果表明,与商用现成的耦合软件相比,所采用的控制方案选择了更好的时间步长(就计算效率而言)。我们的方法包括在PID框架中新颖地实现时间步进算法。 PID控制的仿真比默认仿真快297%,并且在生产配置文件中产生的误差小于0.5%。所开发的控制方案可以应用于用户可以选择时间步长的任何商用模拟器,而无需更改基础代码。

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