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U.S. Onshore Crude Oil and Natural Gas Rotary Rigs in Operation (Number of Elements)
U.S. Onshore 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 1,120 1,037 959 914 974 1,042 1,075 1,140 1,183 1,250 1,304 1,318
  1974 1,283 1,264 1,272 1,280 1,319 1,342 1,387 1,426 1,437 1,493 1,497 1,540
  1975 1,521 1,518 1,549 1,503 1,490 1,507 1,508 1,533 1,586 1,604 1,644 1,677
  1976 1,588 1,468 1,408 1,356 1,375 1,426 1,465 1,563 1,618 1,666 1,703 1,716
  1977 1,704 1,690 1,724 1,745 1,813 1,839 1,851 1,888 1,906 1,932 1,945 1,973
  1978 1,956 1,954 1,979 2,016 2,066 2,103 2,122 2,127 2,138 2,156 2,169 2,098
  1979 1,992 1,858 1,768 1,736 1,762 1,794 1,889 2,014 2,069 2,169 2,255 2,336
  1980 2,352 2,397 2,439 2,461 2,568 2,615 2,718 2,810 2,868 2,917 2,973 3,036
  1981 3,141 3,268 3,343 3,472 3,568 3,680 3,736 3,867 3,976 4,088 4,166 4,238
  1982 4,156 3,891 3,554 3,209 2,927 2,660 2,504 2,385 2,255 2,173 2,286 2,482
  1983 2,404 1,976 1,793 1,633 1,717 1,777 1,861 1,975 2,077 2,205 2,413 2,570
  1984 2,450 2,221 2,047 1,917 2,075 2,158 2,180 2,201 2,206 2,269 2,397 2,471
  1985 2,210 1,955 1,732 1,667 1,665 1,653 1,715 1,734 1,733 1,684 1,725 1,760
  1986 1,635 1,280 1,007 794 687 632 621 665 681 739 820 874
  1987 812 743 696 681 687 703 804 894 987 1,008 1,034 1,034
  1988 949 853 832 800 768 773 786 807 805 801 789 797
  1989 731 667 660 679 662 692 718 772 848 878 922 948
  1990 885 806 797 824 841 886 902 879 935 974 1,031 1,035
  1991 977 896 848 770 721 774 764 735 704 727 736 731
  1992 654 618 594 587 591 577 628 635 672 750 822 867
  1993 752 615 549 543 564 612 656 710 759 767 769 754
  1994 690 659 636 617 612 643 664 671 712 723 729 709
  1995 642 613 575 587 579 578 619 642 662 656 668 654
  1996 598 598 618 628 648 662 677 703 702 728 741 736
  1997 712 742 770 775 804 855 844 868 881 875 857 884
  1998 860 835 796 748 722 726 695 674 656 623 579 545
  1999 483 441 420 397 414 458 489 533 587 630 663 676
  2000 650 641 649 680 705 739 784 828 865 908 916 950
  2001 944 973 996 1,037 1,063 1,107 1,121 1,105 1,049 978 866 778
  2002 741 702 649 645 721 732 740 737 746 740 725 742
  2003 743 797 836 877 921 958 974 979 984 997 1,005 1,010
  2004 1,001 1,020 1,041 1,058 1,068 1,080 1,116 1,139 1,148 1,145 1,160 1,140
  2005 1,153 1,170 1,209 1,241 1,229 1,259 1,297 1,333 1,360 1,392 1,402 1,393
  2006 1,396 1,455 1,464 1,502 1,536 1,570 1,587 1,639 1,646 1,644 1,620 1,634
  2007 1,630 1,651 1,667 1,675 1,671 1,692 1,698 1,731 1,718 1,713 1,737 1,749
  2008 1,690 1,709 1,737 1,765 1,794 1,834 1,865 1,920 1,942 1,903 1,872 1,716
  2009 1,487 1,263 1,059 947 864 848 893 949

- = 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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