Research on the Sampling Technique with U-tube

Abstract:

Fluid samples from deep boreholes can provide a variety of information, which is an important part of deep drilling engineering. This paper introduces a technology for borehole fluid sampling—U-tube sampling technology. By the research and analysis on the principles of U-tube technique, U-tube sampler was designed and developed with field tests; the sampling depth reaches 500m and the maximum flow is up to 40L/h.