January 1999
Industry At A Glance

99-01_us-geophysical-activity.html (Jan-1999)

A monthly magazine offering industry news, statistics and technical editorial to the oil and gas drilling, exploration and production industry.
January 1999 Vol. 220 No. 1 
Industry Stats 

U.S. Geophysical Activity
      Seismic crews working
Regions Dec.
1998		   Nov.
  1998		 Dec.
1997
Rocky Mountains 8 9 11
Mid-Continent 8 7 10
Southwest 20 20 16
Gulf Coast 27 27 34
Offshore 52 51 40
Others 16 17 10
Totals 131 131 121
Source: Petroleum Information Corp. / Dwight's World Geophysical News

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