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Wednesday, November 26, 2014

Video Presentation


Life-of-well optimisation using fibre-optic Distributed Acoustic Sensing (DAS)
David Hill
OptaSense Ltd


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Talk Description
It has been two decades since fibre-optic sensors were first deployed downhole for monitoring purposes. Although the uptake of point pressure and temperature fibre-optic sensors, as well as Distributed Temperature Sensing (DTS), has been relatively slow, today they are accepted tools in the reservoir engineers arsenal of sensors that can be deployed to monitor wells. With the recent introduction of fibre-optic Distributed Acoustic Sensing (DAS) the range of downhole monitoring applications and new capabilities has significantly increased and is poised to transform the industries ability to optimise well design and production throughout the life of the well. In this presentation we will show how DAS can be used in completions to evaluate the effectiveness of hydraulic fracture treatments. In production we will show how this technology is now being used to provide permanent on-demand flow monitoring and is being developed to also have a permanent microseismic monitoring capability. Also we will show how when used as a seismic receiver the DAS fibre is transforming the ability of operators to evaluate their reservoirs and optimise them in processes such as Enhanced Oil Recovery.

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