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Title: Rig activity; 1989 was the worst year on record

Journal Article · · World Oil; (USA)
OSTI ID:7181260

This article discusses the quantity of oil rotary rigs running in the United States during 1989. Rotary rigs running in 1989 averaged 870, down 7.1% from 1988 and arguably the worst performance since anyone bothered to count. A quick check into dusty historical records reveals that in 1942 the rotary rig count averaged 761 (this was the result of a deliberate government policy of scaling back drilling). However, the number is misleading, because in the early 1940s cable-tool rigs were around 40% to 45% of the total operating at any given time.

OSTI ID:
7181260
Journal Information:
World Oil; (USA), Vol. 210:2; ISSN 0043-8790
Country of Publication:
United States
Language:
English