Take out the test sample after24h heat treatment cool it for1hour under room temperature and use vernier caliper to determine the indentation depth of the rubber test sample.
经过24小时热处理后将试样取出，室温下放置冷却1小时，用游标卡尺测定橡胶试样的压痕深度。
2
Caliper logging is mainly used to determine the change of inside diameters of casings, perforating depth and the depth of collars.
井径测井主要用于确定套管内径变化、射孔孔深及接箍深度等。
3
The caliper problem occurred during the drilling in the Nanpu oilfield, due to shallow depth in the reservoir, unconsolidated formation and lower gel strength.