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针对目前日益增多的复杂井测井需求,开发了基于软件和硬件合成聚焦方式的高分辨率侧向测井仪器.通过聚焦算法和测量模式的优化设计,可以同时获得2条标准分辨率深、浅电阻率曲线和2条高分辨率深、浅电阻率曲线.数值模拟分析显示,合成聚焦测量模式与硬件聚焦具有相同的物理效应,高分辨率侧向测井仪器具有良好的纵向探测特性和径向探测特性.与常规侧向测井仪器相比,仪器整体长度缩短一半左右(5m),可以有效提高复杂井的适用性,具有良好的应用前景.
In view of the increasing demand for complex well logging, a high-resolution lateral logging tool based on software and hardware synthetic focusing mode has been developed. Through the optimized design of focusing algorithm and measuring mode, two standard resolution depths can be obtained simultaneously, Shallow resistivity curve and two high resolution deep and shallow resistivity curves.Numerical simulation shows that the synthetic focus measurement mode has the same physical effect as the hardware focus and the high resolution lateral well logging instrument has good longitudinal detection characteristics and Radial detection characteristics Compared with conventional lateral logging tools, the overall length of the instrument is shortened by about half (5 m), which can effectively improve the applicability of complex wells and has good application prospect.