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Fiber optic sensing technologies (i.e. using distributed temperature sensing, distributed acoustic sensing, etc.) are being deployed in a growing number of upstream and midstream oil & gas applications including leak detection, production optimization, well monitoring and well integrity, fracture monitoring, and others.
Adelos Inc. has introduced Adelos 2.0, a fiber optic sensor system designed and optimized for commercial acoustic applications, including upstream oil & gas operations. Deployed as a system of systems, Adelos 2.0 adds value to oil and gas sectors, such as hydraulic fracturing (fracing), through a world-class combination of fiber optics sensors, advanced classification algorithms and real-time data processing.
Adelos offers the Adelos 2.0 technology as a customized solution for direct sale to clients or as an intellectual property portfolio for licensing in the commercial sector. In addition to energy exploration and production, the Adelos 2.0 fiber optic portfolio delivers value to telecommunications, aerospace and environmental markets.
As an acoustic sensor system, the Adelos 2.0 technology uses fiber optics to measure a variety of surface, subsurface and airborne phenomena by detecting very subtle changes in pressure as acoustic sound waves interfere with light in the fiber. Adelos uses dynamic signal processing and a rich range of analytical detection, classification and fusion algorithms to convert the interference data into high fidelity signals.
In an oil field where fracing is being conducted, Adelos 2.0 can be deployed as a low-cost distributed acoustic sensor inside the well where the fiber optic cable interrogates downhole conditions and dynamics. Adelos 2.0 can provide vital real-time, location-specific information on changes in reservoir oil, gas or water pressures that has resulted from the hydraulic fracturing process.
Other companies leveraging fiber optics technology for wellhead optimization, leak detection and other applications include Yokogawa, Schlumberger, OneSubsea, Halliburton, Ziebel, Omnisens, Silixa, and OptaSense, among others. ARC conducted research on leak detection systems in 2014 which included detailed analysis on the use of fiber optics and other technologies.