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Integrated production modelling of 'PCA' gas well for further workover strategy

机译:综合生产建模“PCA”气井,以获得进一步的工作策略

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"PCA" Gas Well was produced in February 1994. This well is produced commingle of 2 (two) reservoirs A and B. DST result shows both two reservoirs have contrast deliverability. The last production test shows gas rate 7.28 MMSCFD. This well purposed to further workover program to obtained optimum recovery. Integrated production modelling is essential for well performance analysis, enhancement of the production system. Gas well performance cannot be analyzed without considering the reservoir, the flowline and the processing facility, as each of these components affect the operation of the entire production network. This study will take into account the effect of comingle of 2 layers with contrast deliverability by building integrated production model. The Inflow Performance Relationship (IPR) Curve will be analyzed each reservoir to know each production performance. History matching analyses also performed to check the reliability of model in dynamic condition. To achieve the accurate history matching results, the simulation model was run based on the available historical production data. Based on this study, current recovery of a reservoir was 55%, B reservoir was 75% and reservoir B already water out. It is recommended to do workover on this well by isolate reservoir B then re-perforate reservoir A and produce gas only from reservoir A to get optimum recovery.
机译:1994年2月生产的“PCA”燃气井。这井是2(两种)储层A和B. DST结果的制作通用壶,这两个水库都具有对比度可随行性。最后的生产测试显示了燃气速率7.28 mmscfd。这良好地用来进一步的下班计划获得最佳恢复。集成的生产建模对于井的性能分析至关重要,生产系统的增强。由于这些组件中的每一个影响整个生产网络的操作,因此不能分析气井性能而不考虑水库,流量线和处理设施。本研究将考虑到2层的效果,通过建立综合生产模型来实现对比度可交付性。流入性能关系(IPR)曲线将被分析每个水库以了解每个生产性能。历史匹配分析还执行了在动态条件下检查模型的可靠性。为了实现准确的历史匹配结果,仿真模型是根据可用的历史生产数据运行的。基于这项研究,储层的目前恢复为55%,B储层为75%,水库B已经出水。建议通过隔离水库B通过隔离储存器B进行操作,然后重新穿孔储层A并仅从水库A产生气体以获得最佳恢复。

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