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Energy Glossary
View History:
Monthly
Annual
Download Data (XLS File)
U.S. Crude Oil and Natural Gas Rotary 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
1940's
2,017
1950's
2,154
2,543
2,641
2,613
2,508
2,686
2,620
2,426
1,922
2,071
1960's
1,748
1,761
1,641
1,499
1,501
1,388
1,272
1,135
1,169
1,194
1970's
1,028
976
1,107
1,194
1,472
1,660
1,658
2,001
2,259
2,177
1980's
2,909
3,970
3,105
2,232
2,428
1,980
964
936
936
869
1990's
1,010
860
721
754
775
723
779
943
827
625
2000's
918
1,156
830
1,032
1,192
1,381
1,649
1,768
1,879
-
= 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