Abstract. Drilling fluid infiltration during well drilling may induce pore pressure and strain perturbations in neighbored reservoir formations. In this
The fiber becomes the sensor while the interrogator injects laser energy into the fiber and detects events along the fiber. Fiber optic sensing
This study bridges this gap and presents pioneering research in the application of fiber optic sensing for monitoring gas in riser.
We present a novel distributed shear stress sensor that allows to derive fluid rheological parameters such as the viscosity along a fiber-optic cable being exposed to a moving medium. This
Explore how fiber optic sensing is transforming downhole monitoring for safer, more efficient oil and gas operations.
Finally, the initial design of the prototype stress-sensor was modified using experience gained during the coalcrete tests, and a second generation FO stress-sensor was installed and
Distributed Fiber Optic Sensing (DFOS) technology is at the forefront of long-term real-time infrastructure performance monitoring. This technology
Abstract The article describes measurements of strains of concrete, steel and textile reinforcement with distributed fiber optic sensors (DFOS). The
Distributed fibre optic sensors (DFOS) are popular for structural health monitoring applications in large engineering infrastructure because of their ability to provide spatial strain
Abstract Presently, conventional geomechanical stress measuring instruments can only provide measurements at a single point. A fiber-optic (FO) based stress-sensor has the potential to make
ABSTRACT Norbeck et al (2023) published results associated with developing a commercial next-generation geothermal project in northern Nevada, adopting many unconventional technologies,
Here, we review the deployment of fiber–optic Rayleigh–based distributed acoustic sensing (DAS), Raman–based distributed temperature sensing (DTS), and Brillouin–based
Abstract Monitoring stress changes in mining areas during mining activities is essential for early warning and prevention of dynamic disasters. This paper presents a distributed fiber-optic
What is Fiber Optic Sensing? Fiber optic sensing uses the physical properties of light as it travels along a fiber to detect changes in temperature, strain, vibration (acoustics) and other parameters. Fiber
To analyse the downhole performance of mud displacement and cement slurry during the cementing processes, this work focuses on real-time well monitoring technologies using fiber optic cables which
The experimental setup instrumented with distributed fiber optic sensors and pressure/temperature gauges provides a physical model to study the dynamic gas migration in full-scale annular...
Abstract Fiber-optic-based distributed acoustic sensors (DAS) are a new technology that can be deployed in a well and are continuously interrogated during operations. These sensors measure the
Then we investigate how the fibre–soil interfacial behaviour is influenced by environmental changes, and how the strain distribution along the
In this regard, based on several case studies, the implementation of DFOS for early warning of various geotechnical hazards, such as landslides,
Presented here are the first steps in the conceptualization and workflow for a non-destructive stress measurement technique using distributed fiber optic sensing and geophysical
This study presents the results from in-well hydraulic fracture monitoring within a horizontal well in an unconventional reservoir utilizing Distributed Fiber Optic Sensing (DFOS).
Rayleigh backscattering in optical fibers is employed in fiber-optic DAS, where acoustic disturbances induce fluctuations in light dispersion that are monitored throughout the entire fiber
This paper gives an overview over industrial applications of distributed fiber-optic strain sensing in structural health monitoring, outlining both the benefits of the technology and its
This study bridges this gap and presents pioneering research in the application of fiber optic sensing for monitoring gas in riser.
Geohazards pose significant dangers to human safety, infrastructures, and the environment, highlighting the need for advanced
Fiber optic sensors have been developed and implemented as a means to provide real-time strain, temperature, vibration, and flow monitoring for pipelines in deepwater.
Using fiber optics as a tool for different kinds of geotechnical monitoring can be highly attractive and cost-effective when compared to
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