The fiber Bragg grating (FBG) strain sensor is used in the oil and gas derricks for the health monitoring. The system consisted of the FBG strain sensors, optical interrogator and monitoring software. 64 sensors wer...
China's first independently developed 9000-meter monoclinic bottleneck marine derrick successfully passed a 15-day strict test at CNPC BaoJi Oilfield Machinery Co., Ltd on January 25 2011. The test included the assem...