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过钻头测井TBL(Through Bit Logging)通过钻柱传输小直径测井仪,穿过特殊的过孔钻头TBB(Through Bore Bit)进入裸眼井段完成数据采集,测井数据采集可选择实时传输和存贮两种模式。目前有代表性的过钻头测井仪有威德福公司的Compact系列和斯伦贝谢公司的ThruBitSureLogTM系列。
Through Bit Logging TBL (Through Bit Logging) Through the drill string transmission of small diameter tool, through a special through-hole bit TBB (Through Bore Bit) into the open-hole section to complete the data acquisition, logging data acquisition can choose real-time transmission and Store two modes. There are currently over-bit logging tools available from Wendford’s Compact Series and Schlumberger’s ThruBitSureLog ™ Series.