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U.S. Crude Oil and Natural Gas Rotary Rigs in Operation (Number of Elements)
U.S. Crude Oil and Natural Gas Rotary Rigs in Operation (Number of Elements)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  1973 1,219 1,126 1,049 993 1,046 1,118 1,156 1,222 1,266 1,334 1,390 1,405
  1974 1,372 1,355 1,367 1,381 1,413 1,432 1,480 1,518 1,527 1,584 1,596 1,643
  1975 1,615 1,611 1,651 1,605 1,592 1,613 1,617 1,645 1,699 1,716 1,757 1,793
  1976 1,711 1,594 1,540 1,480 1,496 1,546 1,597 1,691 1,744 1,794 1,840 1,861
  1977 1,850 1,856 1,887 1,907 1,982 2,008 2,023 2,066 2,084 2,101 2,113 2,141
  1978 2,128 2,135 2,159 2,198 2,249 2,287 2,307 2,325 2,332 2,346 2,356 2,286
  1979 2,199 2,064 1,971 1,943 1,960 1,999 2,094 2,222 2,284 2,380 2,460 2,552
  1980 2,571 2,613 2,658 2,683 2,797 2,850 2,953 3,045 3,099 3,149 3,220 3,286
  1981 3,386 3,502 3,595 3,728 3,817 3,926 3,998 4,131 4,242 4,352 4,436 4,521
  1982 4,436 4,160 3,816 3,460 3,178 2,908 2,746 2,620 4,283 2,402 2,500 2,696
  1983 2,622 2,192 2,003 1,846 1,926 1,979 2,039 2,156 2,252 2,382 2,572 2,780
  1984 2,666 2,423 2,245 2,120 2,277 2,363 2,386 2,417 2,420 2,492 2,629 2,713
  1985 2,452 2,188 1,955 1,877 1,865 1,856 1,909 1,931 1,930 1,879 1,912 1,950
  1986 1,810 1,444 1,139 906 781 705 686 730 755 819 899 963
  1987 900 818 772 754 763 788 901 1,003 1,101 1,124 1,152 1,162
  1988 1,076 976 951 917 891 897 912 930 927 923 918 924
  1989 841 762 753 771 754 795 832 886 955 984 1,041 1,065
  1990 998 911 905 935 961 999 1,010 987 1,042 1,073 1,137 1,136
  1991 1,068 984 929 865 819 867 844 803 775 795 808 796
  1992 710 669 648 642 638 621 676 686 717 803 882 926
  1993 824 684 611 612 637 695 741 797 848 860 868 857
  1994 789 754 735 723 716 756 771 766 809 822 835 816
  1995 748 713 665 678 679 674 723 745 765 761 772 763
  1996 709 700 714 741 764 774 784 811 811 836 848 852
  1997 822 849 897 901 924 976 969 993 1,009 996 983 1,013
  1998 993 974 932 886 855 854 816 792 774 734 688 647
  1999 587 542 526 496 516 558 588 639 696 741 782 798
  2000 775 763 773 805 844 878 942 987 1,011 1,055 1,067 1,097
  2001 1,118 1,136 1,163 1,206 1,234 1,270 1,278 1,252 1,193 1,111 1,000 901
  2002 867 825 763 750 826 842 851 848 860 851 834 856
  2003 854 907 941 983 1,034 1,067 1,081 1,090 1,093 1,102 1,111 1,114
  2004 1,101 1,119 1,135 1,151 1,164 1,176 1,213 1,234 1,240 1,240 1,262 1,246
  2005 1,255 1,276 1,306 1,334 1,320 1,355 1,398 1,436 1,452 1,479 1,486 1,470
  2006 1,473 1,533 1,551 1,597 1,635 1,665 1,681 1,738 1,739 1,734 1,706 1,718
  2007 1,714 1,736 1,749 1,750 1,748 1,771 1,777 1,804 1,783 1,762 1,798 1,811
  2008 1,749 1,765 1,797 1,829 1,863 1,902 1,932 1,987 2,014 1,976 1,935 1,782
  2009 1,553 1,320 1,105 995 918 895 931 980

- = 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

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