钻井油气层测试器是由液压动力短节、双packer短节、反向注入短节、数字泵抽短节、传感器短节和取样筒短节组成的。
Formation center tester (FCT) is made up of hydraulic power joint, double PACKER joint, opposing infuse joint, numeric pump exhausting joint, sensor joint and sampling tube joint.
分析了实现在线浓缩取样的关键技术，研究了蓄能器预充压力和采样筒保压效果的关系。
Key techniques of on-line concentrated sampling are analyzed and relations of accumulator precharge pressure and pressure-retaining results are studied.
捞砂筒也可用作业井底取样器。
介绍了辊筒式采样器的结构及特点，并详述了取样过程与应用效果。
The structure and features of the drum type sampler are described and sampling process and application result are narrated in detail.
深海微生物取样器的关键技术在于如何保持高压采样筒体的压力——6小时的压力变化不超过10%。
The key technique of the sampling machine lies in how to keep the pressure variety of the pressure-6 hours of the high pressure sample tube body not over 10%.
深海微生物取样器的关键技术在于如何保持高压采样筒体的压力——6小时的压力变化不超过10%。
The key technique of the sampling machine lies in how to keep the pressure variety of the pressure-6 hours of the high pressure sample tube body not over 10%.
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