OIL AND GAS DEVELOPMENTS IN LOUISIANA GULF COAST ONSHORE IN 1981.

This report includes 38 parishes in south Louisiana. Industry drilled 1578 wells in 1981, an increase of 13. 5% over 1980. Wildcat wells numbered 319, other exploratory wells numbered 318, and development wells numbered 941. The successful completion rate includes the following: 8% for wildcat wells, 33% for other exploratory tests, and 54% for development wells. Wildcat wells discovered 26 new fields, 7 more than in 1980. This number includes 10 new fields, 7 more than in 1980. This number includes 10 new fields in the Miocene trend, 7 in the Oligocene Frio-Hackbery trend, and 5 in the Tuscaloosa trend. Leasing activity totaled 1,766,536 acres, an 18% increase over 1980. Geophysical activity increased in 1981 to 1734 crew-weeks, the highest level since 1965. Three carbon dioxide-enhanced oil recovery projects were initiated in onshore south Louisiana fields in 1980.