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Energy Glossary
Crude Oil and Natural Gas Drilling Activity
Period:
Monthly
Annual
Download Series History
Definitions, Sources & Notes
Data Series
Feb-08
Mar-08
Apr-08
May-08
Jun-08
Jul-08
View
History
Rotary Rigs in Operation
1,765
1,797
1,829
1,863
1,902
1,932
1973-2008
By Site
Onshore
1,709
1,737
1,765
1,794
1,834
1,865
1973-2008
Offshore
56
60
64
68
67
67
1973-2008
By Type
Crude Oil
331
343
358
375
383
380
1973-2008
Natural Gas
1,426
1,444
1,461
1,478
1,510
1,543
1973-2008
Active Well Service Rig Count
2,455
2,457
2,498
2,546
2,554
2,567
1973-2008
Release Date: 9/2/2008
Next Release Date: 10/2/2008
-
= No Data Reported;
NA
= Not Available;
W
= Withheld to avoid disclosure of individual company data.
Notes:
Rotary rigs in operation are reported weekly. Monthly data are averages of 4- or 5-week reporting periods, not calendar months. Annual data are averages over 52 or 53 weeks, not calendar year. Published data are rounded to the nearest whole number. Geographic coverage is the 50 States and the District of Columbia. See Definitions, Sources, and Notes link above for more information on this table.
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