PSN-L Email List Message

Subject: Planting geophones properly
From: GeE777@.......
Date: Mon, 30 Apr 2001 12:55:05 EDT


For your information, I have a U. S. patent  5,007,031 on a geophone loading 
tool to load geophones into shallow holes, level and align three component 
geophones.  There is a compass and level in the handle of the loading tool.  
It also worked well with vertical geophones planted in shallow, sandy holes 
in the Egyptian Western Dessert.  It speeded up production and the planted 
geophones were, on the avereage, planted vertical.

George Erich
Geophysical Exploration Consultant
e-mail GeE777@.......

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Larry Cochrane <cochrane@..............>