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Drilling/producing depths; Two records and a revision

Journal Article · · World Oil; (United States)
OSTI ID:5677932
This paper reports that record depths for natural gas or oil well drilling or producing continue to be rare occurrences, although one or two still come in each year. Records fell in Texas Railroad Commission (RRC) District 9 and in the California area of the Minerals Management Service (MMS) Pacific Outer Continental Shelf (OCS) in 1990. Deep drilling and production has traditionally been defined as well depths greater than 15,000 ft. Smith Tool reported that 9.4% of all active rotary rigs were dedicated to targets below 15,000 ft at the beginning of 1991. Deep rigs had dropped to 8.1% by year-end 1991, but remained above the 1989 and 1990 levels of 8.4 and 7.6%, respectively. In 1988 about 11% of active rigs were drilling deep at any given time.
OSTI ID:
5677932
Journal Information:
World Oil; (United States), Journal Name: World Oil; (United States) Vol. 213:2; ISSN 0043-8790; ISSN WOOIA
Country of Publication:
United States
Language:
English

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