April 1998
Industry At A Glance

usgeophysicalactivity.html (Apr-1998)

A monthly magazine offering industry news, statistics and technical editorial to the oil and gas drilling, exploration and production industry.
Archive
April 1998 Vol. 219 No. 4
Industry Stats 

U.S. Geophysical Activity

      Seismic crews working
Regions Mar.
1998
  Feb.
  1998
Mar.
1997

Rocky Mountains 1 6 7
Mid-Continent 11 10 8
Southwest 16 14 16
Gulf Coast 32 31 28
Offshore 48 48 34
Others 16 18 14

Totals 124 127 107
Source: Petroleum Information Corp. / Dwight's World Geophysical News

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