January 1998
Industry At A Glance

usgeophysicalactivity.html (Jan-1998)

A monthly magazine offering industry news, statistics and technical editorial to the oil and gas drilling, exploration and production industry.
Archive
January 1998 Vol. 219 No. 1
Industry Stats 

U.S. Geophysical Activity

Seismic crews working
Dec. Nov. Dec.
Regions 1997 1997 1996

Rocky Mountains 11 13 9
Mid-Continent 10 11 7
Southwest 16 11 17
Gulf Coast 34 38 35
Offshore 40 41 28
Others 10 10 8

Totals 121 124 104
Source: Petroleum Information Corp. / Dwight's World Geophysical News

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