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Vertical-Seismic Profiling Using a Hybrid Tool, Combining Three-Component Geophones with DAS SensorsNormal access

Authors: J. Haldorsen, L. Jahren, M. Milenkovic and T. Hilton
Event name: 80th EAGE Conference and Exhibition 2018
Session: Borehole Seismic Acquisition, Processing and Interpretation
Publication date: 11 June 2018
DOI: 10.3997/2214-4609.201801498
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 823.74Kb )
Price: € 20

Summary:
We introduce a VSP tool combining three-component geophones with Distributed Acoustic Sensing to the surface for optimum image resolution near the target with a maximized lateral image aperture. However, combining VSP measurements made by geophones with DAS data, it is important to realize the difference between a DAS sensor and a three-component geophone, and also between a DAS sensor and a single-axis geophone. We explore these differences in order to create an optimum VSP image.


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