What's new in production ///

It’s the sound of data and of what could be the Next Big Thing in completion and production operations. Distributed Acoustic Sensing (DAS), has useful upstream applications, and numerous companies are developing this technology. A thumbnail description by one of them, Silixa, of its DAS flavor may be helpful. In essence, it’s an “optoelectronic” system that employs a fiber-optic cable. When a pulse of light travels down this cable, a small amount of light is naturally scattered (through Rayleigh, Brillouin and Raman scattering) and returns to the sensor unit. The nature of this scattered light is affected by tiny strain events within the optical fiber structure, which themselves are determined by the localized acoustic or seismic environment.

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