Here we outline some new technologies in this context within case studies from different research projects including permanent installation of fiber-optic sensor cables behind casing, monitoring of high-temperature wells, a hybrid wireline logging system, and. Here we outline some new technologies in this context within case studies from different research projects including permanent installation of fiber-optic sensor cables behind casing, monitoring of high-temperature wells, a hybrid wireline logging system, and. Empowering the world with advanced, customizable distributed fiber optic sensing (DFOS) solutions. Empowering the world with advanced, customizable distributed fiber optic sensing (DFOS) solutions. Distributed Acoustic Sensing (DAS) utilizes. Permanent downhole fiber-optic cables are critical infrastructure in wellbore monitoring systems, ensuring reliable transmission of data for applications such as distributed temperature, acoustic, and strain sensing (DTS, DAS, and DSS)—all with one 1/4-in control line. These monitoring systems help. Analogous to how thermal infrared is used to identify and map bank and water-surface temperature anomalies, fiber-optic distributed temperature sensing (FO-DTS) can trace the thermal signatures of natural processes such as groundwater-surface water exchange (Hare et al. This extends the potential field of application to a range from −190 °C to +385 °C. Please contact us for further information.