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Inferring fluid-filled fractures presence using S-wave attenuation on microseismic events

The 18 Oct 2015 by BERGERY Guillaume

Co-authors : GRAUSEM Marc (Total) , Shuck Ted, Diller Dave (Nanoseis)

 

We disclose a method based on S-wave attenuation to infer fluid-filled fractures using microseismic monitoring. Since S-waves do not propagate through fluids, they offer a way to distinguish between wet (water or oil-saturated) and dry (gas or air-saturated) fractures within the stimulated reservoir. We applied this principle to a hydraulically fractured horizontal wellbore to indirectly map the stimulated fractures.

 

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