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Reservoir Monitoring Using Multi-Geophysical Survey Techniques

机译：利用多地球物理测量技术的储层监测

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During 2002, we undertook a new cooperative research program entitled "System Integration of Various Geophysical Measurements for Reservoir Monitoring" involving both the Okuaizu and Ogiri geothermal fields in Japan. This continuing work carries forward a completed 1997-2002 NEDO/GSJ project. To appraise the utility of reservoir monitoring by simultaneous continuous/repeat measurements of gravity and SP for history-matching of reservoir models, we performed numerical simulations based upon a hypothetical 3D reservoir model and calculated changes in microgravity and self-potential on the ground surface caused by changing reservoir conditions. The results show that combining long-term repeat microgravity surveys with continuous SP measurements taken when the field is shut-in for maintenance can provide useful additional constraints for history-matching studies.
机译：2002年，我们开展了一个新的合作研究计划，题为“水库监测的各种地球物理测量的系统集成”，涉及日本的奥胡祖和奥格里地热田。这项持续工作持续完成1997-2002 Nedo / GSJ项目。通过同时连续/重复测量来评估储层监测的效用和储层模型的历史匹配，基于假设的3D储层模型进行了数值模拟，并计算了地面上的微观抗痛和自我电位的变化通过改变水库条件。结果表明，当现场关闭以进行维护时，将长期重复微再生调查与连续SP测量相结合，可以为历史匹配研究提供有用的额外约束。

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