Viscosity testing method of ultra-low temperature drilling fluids for polar glacier drilling  

作　　者：HAN Lili XU Huiwen CAO Pinlu YU Dahui P.G.Talalay 

机构地区：[1]College of Construction Engineering,Jilin University

出　　处：《Global Geology》2012年第4期276-280,共5页世界地质（英文版）

基　　金：Supported Project of the Natural Science Foundations of China(No.41106158)

摘　　要：According to the working environment of the polar glacier core drilling, a separatory funnel capillary viscometer which can be used for testing the viscosity of liquids under ultra-low temperature conditions was de- signed. This viscometer has a simple structure and it is easy to operate, which can meet the testing requirements of different temperature conditions. The viscosity of the dimethyl silicone oil KF-96L-2.0cs was measured under different temperatures using this designed viseometer, and it is found that the viscometer coefficient K changes linearly with temperature. This testing method has relatively high test accuracy and its relative error is less than 4%, which can be used to test the viscosity of the different liquids in ultra-low temperature conditions.According to the working environment of the polar glacier core drilling,a separatory funnel capillary viscometer which can be used for testing the viscosity of liquids under ultra-low temperature conditions was designed. This viscometer has a simple structure and it is easy to operate,which can meet the testing requirements of different temperature conditions.The viscosity of the dimethyl silicone oil KF-96L-2.Ocs was measured under different temperatures using this designed viscometer,and it is found that the viscometer coefficient K changes linearly with temperature.This testing method has relatively high test accuracy and its relative error is less than 4%,which can be used to test the viscosity of the different liquids in ultra-low temperature conditions.

关 键 词：polar drilling separatory funnel-capillary viscometer VISCOSITY dimethyl silicone oil viscometer coefficient 

分 类 号：P343.6[天文地球—水文科学] TS210.7[天文地球—地球物理学]