这种新型测井电缆头能将仪器 (如套管接箍定位器和射孔枪等 )连接到管柱上 ,并防止仪器由于意外事故而落入井内。以往的测井电缆头用剪钉或水力丢手工具断开 ,其缺点是释放过早。新型测井电缆头用电动断开操作方式 ,可以解决此问题。该电缆头设计紧凑 ,且具有双单流阀 ,既可卸 The new logging cable head connects instruments (such as casing collar retainers and perforating guns) to the pipe string and prevents the instrument from falling into the well due to an accident. Previous logging cable head with hydraulic nail or hand tools to disconnect, the disadvantage is the release of premature. New logging cable head with electric disconnect operation, you can solve this problem. The cable head is compact in design and has dual single-flow valves for both unloading