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U.S. Crude Oil and Natural Gas Active Well Service Rigs in operation  (Number of Elements)
U.S. Crude Oil and Natural Gas Active Well Service Rigs in operation (Number of Elements)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  1973 1,549 1,677 1,805 1,898 1,991 1,994 1,997 2,112 2,227 2,247 2,266 2,334
  1974 2,401 2,436 2,470 2,513 2,555 2,525 2,494 2,483 2,473 2,488 2,503 2,543
  1975 2,582 2,549 2,568 2,549 2,374 2,426 2,344 2,369 2,459 2,434 2,505 2,675
  1976 2,612 2,490 2,521 2,597 2,575 2,607 2,606 2,656 2,652 2,639 2,601 2,660
  1977 2,474 2,628 2,695 2,804 2,760 2,895 2,929 2,942 2,964 2,973 2,968 2,898
  1978 2,810 2,906 2,899 2,997 2,996 2,987 3,006 3,089 3,073 3,078 2,958 3,063
  1979 3,094 2,698 2,765 3,034 3,369 3,506 3,572 3,621 3,673 3,954 3,795 3,709
  1980 3,855 3,923 4,010 3,871 4,032 4,112 4,092 4,155 4,277 4,290 4,281 4,172
  1981 4,209 4,359 4,238 4,430 4,749 5,093 5,172 5,196 5,150 5,142 5,165 5,279
  1982 5,367 5,220 4,808 4,334 4,328 4,041 3,845 3,761 3,726 3,762 3,933 3,865
  1983 3,786 3,629 3,537 3,413 3,340 3,323 3,431 3,868 3,927 4,025 4,262 4,255
  1984 4,240 4,337 3,989 3,859 4,224 4,864 5,100 5,061 5,157 5,053 5,075 4,953
  1985 4,919 4,856 4,626 4,538 4,655 4,673 4,616 4,845 4,807 4,729 4,745 4,582
  1986 4,649 4,498 3,450 2,942 2,733 2,644 2,656 2,598 2,477 2,468 2,582 2,744
  1987 2,759 2,669 2,558 2,762 2,597 2,745 2,833 3,389 3,439 3,610 3,687 3,664
  1988 3,375 3,485 3,416 3,230 3,450 3,541 3,425 3,542 3,344 3,137 3,090 3,036
  1989 3,081 2,997 3,277 3,417 3,458 3,319 3,367 3,379 3,495 3,645 3,690 3,565
  1990 3,537 3,486 3,611 3,411 3,403 3,522 3,450 3,605 3,905 3,988 3,984 3,994
  1991 3,579 3,512 3,444 3,416 3,394 3,363 3,369 3,257 3,208 3,138 3,110 3,183
  1992 2,912 2,704 2,592 2,727 2,564 2,369 2,492 2,630 2,825 3,076 2,977 3,218
  1993 3,218 2,899 2,829 2,703 2,848 3,087 3,178 3,423 3,341 3,519 3,604 3,662
  1994 3,386 3,063 2,977 2,649 2,798 2,785 2,992 2,941 3,010 2,991 2,977 2,964
  1995 2,855 2,877 2,862 2,806 3,020 3,107 3,133 3,103 3,225 3,105 3,157 3,239
  1996 3,290 3,509 3,253 3,331 3,345 3,473 3,723 3,582 3,560 3,498 3,489 3,287
  1997 3,237 3,364 3,189 3,398 3,483 3,575 3,766 3,705 3,667 3,546 3,622 3,433
  1998 3,476 3,378 3,283 3,268 3,396 3,079 3,147 2,973 2,788 2,602 2,539 2,244
  1999 1,932 1,904 1,994 2,054 2,096 2,133 2,391 2,388 2,445 2,472 2,472 2,500
  2000 2,550 2,705 2,734 2,702 2,675 2,619 2,694 2,717 2,722 2,719 2,732 2,738
  2001 2,726 2,755 2,730 2,728 2,770 2,760 1,784 1,865 1,832 1,824 1,774 1,654
  2002 1,683 1,843 1,791 1,852 1,856 1,832 1,832 1,891 1,861 1,878 1,817 1,821
  2003 1,898 1,928 1,950 1,954 1,927 1,957 2,016 2,026 1,966 2,064 1,973 1,946
  2004 2,019 2,043 2,047 2,050 2,095 2,067 2,068 2,106 2,078 2,111 2,024 2,063
  2005 2,091 2,144 2,143 2,216 2,242 2,238 2,247 2,276 2,268 2,315 2,247 2,237
  2006 2,285 2,339 2,342 2,340 2,398 2,382 2,342 2,404 2,380 2,440 2,366 2,351
  2007 2,307 2,401 2,401 2,375 2,387 2,381 2,358 2,408 2,418 2,395 2,408 2,420
  2008 2,476 2,455 2,457 2,498 2,546 2,554 2,567 2,611 2,612 2,591 2,469 2,342
  2009 2,152 1,947 1,825 1,718 1,646 1,648 1,629 1,653 1,579 1,613 1,625 1,625
  2010 1,706 1,726 1,754 1,816 1,818 1,857 1,852 1,900 1,918 1,965 1,971 1,968
  2011 2,004 1,990 2,044 2,052 2,047 2,069 2,116 2,136 2,115 2,100 2,100 2,131
  2012 2,154 2,135 2,143 2,157 2,153 2,139 2,140 2,144 2,137 2,102 2,036 1,990
  2013 2,112 2,024 2,033 2,039 2,099 2,049 2,039 2,055 2,052 2,061 2,175 2,024
  2014 2,066 2,036 2,037 2,028 2,040 2,026 2,044 2,039 2,010


- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 12/4/2014
Next Release Date: 12/22/2014

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