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The DOV Downhole Orbital Vibrator – Implications for the New GeophysicsNormal access

Authors: S. Crampin, S. Chastin, P.C. Leary and L. Walter
Event name: 66th EAGE Conference & Exhibition
Session: Well Seismic
Publication date: 07 June 2004
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 696.28Kb )
Price: € 20

Summary:
07/01.04 – EAGE2g P236 THE DOV DOWNHOLE ORBITAL VIBRATOR: IMPLICATIONS FOR THE NEW GEOPHYSICS 1 STUART CRAMPIN 1 * SEBASTIEN CHASTIN 1 PETER C LEARY 2 and LARRY WALTER 2 1 School of GeoSciences University of Edinburgh Edinburgh EH9 3JW 2 Geospace Engineering Resources International Houston TX 77477 * also at Edinburgh Anisotropy Project British Geological Survey Edinburgh EH9 3LA scrampin@ed.ac.uk; schastin@glg.ed.ac.uk; pcleary_mog@compuserve.com; lwalter@geo-eng-res.com Abstract The stability and repeatability of the DOV downhole orbital vibrator provides sufficient source resolution to measure crosshole travel-times to ~0.02ms. Theory and observations show that using the DOV as source this accuracy is sufficient to


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