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随着产液量为1～30t／d的低产井的增加。测量问题日益突出。现有的计量装置已远远不能满足这类油井准确计量的要求，针对上述情况，俄罗斯研制成功可准确计量低产油井产量的СКЖ型质量流量计，并获得俄罗斯专利。
With the production volume of 1 ~ 30t / d increase in low-yielding wells. Measurement problems have become increasingly prominent. The existing metering devices are far from meeting the requirements for accurate metering of such wells. In response to the above, Russia has successfully developed a СКЖ-type mass flowmeter that can accurately measure the production of low-production wells and obtained the Russian patent.