Development and Application of Wireless Strain Test System in the Bearing Capacity Test of Oil Derrick

In order to ensure the safe production of oil drilling equipment, about 2000 sets of in-service oil drilling rigs and workover rigs need to be tested and evaluated every year, covering Daqing, Changqing, southwest, Tarim, Dagang and other major oil and gas fields as the key equipment of the drilling rig system, the bearing capacity of the Derrick is directly related to the safety of production. In view of the complex data transmission line, low efficiency and high labor intensity of the wired strain tester, a wireless strain testing system with the function of testing and analyzing the bearing capacity of Derrick is developed the integration of wireless transmission of Derrick bearing capacity test data, on-line analysis and load capacity evaluation is realized. Through the quasi-calibration of Beijing Institute of Metrology and Field Test of Oil Derrick, it is proved that the research results have high accuracy in strain detection (JJG623–2005), strong stability, high efficiency, low power consumption, friendly interpersonal interface and broad application prospects.