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RBT扇区水泥胶结测井仪是一种检测套管水泥胶结质量及探测孔穴孔道的声波测井仪器。一次下井可测量6或8个扇区套管水泥分布图、声幅曲线、密度图。RBT测井图直观形象,能详细地评价第一界面在井周360°的胶结情况,对于水泥补孔、窜槽层位和方位的判断也更加准确。是目前检测固井质量和管外窜槽的最新最有效的测井仪器之一。本文介绍了RBT仪器的基本构造、测量的主要曲线和一些典型的解释实例。
RBT Sector Cement Bonding Logging Tool is a sonic logging tool that detects the quality of casing cement and detects holes in holes. Once down to measure 6 or 8 sector casing cement distribution, amplitude curve, density map. The visual image of the RBT log can be used to evaluate the cementing of the first interface at 360 ° of the well in detail and to judge more accurately the cement-filled holes and channeling layers and orientations. It is one of the latest and most effective logging tools for testing the quality of cementing and channeling. This article introduces the basic structure of the RBT instrument, the main measurement curve and some typical examples of the interpretation.