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介绍了钻井液高剪切速率下粘度测试仪的工作原理、结构、特点。通过初步试验得出仪器的剪切速率可达到１０～４～１０～５／ｓ的范围，测出的实际粘度较卡森计算公式计算值η卡更为准确，该仪器具有广阔的推广应用前景。
The working principle, structure and characteristics of the viscosity tester under high shear rate of drilling fluid are introduced. The initial test shows that the shear rate of the instrument can reach the range of 10 ~ 4 ~ 10 ~ 5 / s, and the actual viscosity measured is more accurate than the calculated value of Carlson calculation formula η card. The instrument has a broad application prospect .