Sercel is the world’s leading designer and manufacturer of high-tech solutions for subsurface exploration. We strive for the highest levels of quality, performance, and innovation in all aspects of our operations. APsensing is a Leading provider of Distributed Fiber Optic Sensing (DFOS) solutions for monitoring critical infrastructure applications. Sercel and AP Sensing’s solution for rail monitoring offer reliable solutions ground-breaking of Distributed Acoustic Sensing (DAS) technologies, utilizing as example standard telecom optical fibre already installed along the tracks for communication purposes. With DAS technology, Sercel and AP Sensing can detect, locate, monitor, and anticipate subsidence in real time.