【摘要】 油田生产波及区的微地震法实时监测是目前国内外方兴未艾的研究课题。近年来,国际上提出了一些现实可行的微地震信号识别标准和识别方法,并取得了成功的观测成果及分析地下深部结构的实例。参照国际上的先进经验、识别方法、判别标准,研制了独立的观测系统与软件,在国内的大庆、华北、中原等油田进行了现场实验,取得了令人满意的结果。并以华北油田J11断块J430井的注水前缘监测实例,证明了方法的可靠性。全面介绍了观测理论、判别依据、观测方法、可获得的深部应力状态及地层结构方面的结论。更多还原

【Abstract】 The technology of real-time microseism monitoring in the operation-involved area of oil field is an interesting research topic. Some feasible standards and methods about discerning microseism signals are put forward and reliable observation results are obtained in several cases around the world. The observation systems and softwares are developed independently in this research according to the international experience,methods and standards,and satisfactory results are obtained with this methodology in the practices in Daqing,Huabei and Zhongyuan oil fields,China. With microseism observation of flood front at well J430 in fault block J11 of Huabei oil field as an example,the theory and method of observation and discernment criterion are introduced,and the feasibility of this methodology to obtain information about stress state and tectonics at great depth is proved.更多还原