high sand content production 高含砂采油
Tongnan high sand-content soil 通南高沙土
formation with high sand content 含沙量高地层
high sand content fluid flowmeter 高含沙量流体流量计
The former has high sand content, the latter is chiefly silt.
前者砂粒组含量较高，后者粉粒组为主要。
The self-cyclone de-sander is developed for treatment of sand problems in high sand content well.
针对高含砂油井存在的砂埋柱塞、砂卡泵和漏失严重等问题，研制了自旋式防砂泵。
A digital signal processing way is established to obtain ultrasonic signal frequency shift in the test of high sand content fluid flow.
笔者采用数字手段去测取超声波信号的频差，通过频差法可得出流体的平均速度，进而获得高含沙量流体的流量。
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