Testing instrument was installed in sampler at heel of hydraulic pump, put into down-hole with pump, and it can examine water cut of formation fl uid, save history curves in real time by data memory.

• 测试仪器安装在水力活塞泵泵芯尾部取样器内,随泵芯投入井下进行测试,可实时检测地层液的含水率情况,利用数据存储器实时保存历史曲线,提供了全天候观测生产过程的手段。