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A drill-bit source experiment
using a 2-D array

Steve Cole

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ABSTRACT

I conducted a drill-bit source experiment using a 2-D array of 240 geophones. The directional resolving power of the array offers the possibility to detect drill-bit signals in the presence of strong surface noise sources. A stacking-based scheme for locating sources in 3-D does an excellent job of finding direct arrivals from the drill bit.


 
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Stanford Exploration Project
12/18/1997