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View History:
Monthly
Annual
Download Data (XLS File)
U.S. Crude Oil and Natural Gas Active Well Service Rigs in operation (Number of Elements)
Decade
Year-0
Year-1
Year-2
Year-3
Year-4
Year-5
Year-6
Year-7
Year-8
Year-9
1970's
2,008
2,490
2,486
2,601
2,828
2,989
3,399
1980's
4,089
4,849
4,249
3,733
4,659
4,716
3,037
3,059
3,339
3,391
1990's
3,658
3,331
2,757
3,193
2,961
3,041
3,445
3,499
3,014
2,232
2000's
2,692
2,267
1,830
1,967
2,064
2,222
2,364
2,388
2,515
-
= No Data Reported;
--
= Not Applicable;
NA
= Not Available;
W
= Withheld to avoid disclosure of individual company data.
Release Date: 10/8/2009
Next Release Date: 11/6/2009
Referring Pages:
Crude Oil and Natural Gas Drilling Activity