Therefore, it is necessary to design an examination system to detect and record the stretching force and creeping displacement of downhole stings as well as the temperature and pressure of fluid around downhole stings.

• 因此,设计了一种测试井下温度、压力、管柱所承受轴向力及其伸缩蠕动等状态参数的井下管柱状态检测系统。