The DOV Downhole Orbital Vibrator – Implications for the New Geophysics

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 [email protected]; [email protected]; [email protected]; [email protected] 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