【摘 要】
：
以天津武清地热田为例,对传导型孔隙介质地热田回灌技术进行研究.武清地热田主要开采层为第三系馆陶组砂岩,热储层温度76～86 ℃.根据水动力模型的预测,热储水位降深将在近期趋
【机 构】
：
天津大学地热研究培训中心,天津,300072;天津地热勘查开发设计院,天津,300250
论文部分内容阅读
以天津武清地热田为例,对传导型孔隙介质地热田回灌技术进行研究.武清地热田主要开采层为第三系馆陶组砂岩,热储层温度76～86 ℃.根据水动力模型的预测,热储水位降深将在近期趋于稳定.在无回灌条件下,如以最大开采量持续开采,5年内水位将下降到105 m.回灌可提高孔隙/裂隙热储中热量的开采,减缓水位下降幅度.此外,还计算了回灌过程中不同情况下冷锋面的运移速度.为查明开采井和回灌井之间的水力联系,探讨了示踪剂试验的可行性.
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