View History:    Monthly     Annual   
Download Data (XLS File)
U.S. Crude Oil Developmental Wells Drilled (Number of Elements)
U.S. Crude Oil Developmental Wells Drilled (Number of Elements)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  1973 721 643 793 651 840 852 812 905 843 847 850 768
  1974 853 829 1,007 1,076 1,114 1,141 1,173 1,129 1,020 1,196 1,040 1,210
  1975 1,231 986 1,220 1,250 1,267 1,354 1,369 1,452 1,427 1,630 1,361 1,419
  1976 1,617 1,188 1,405 1,389 1,301 1,453 1,259 1,476 1,390 1,457 1,292 1,375
  1977 1,278 1,250 1,561 1,422 1,493 1,570 1,444 1,598 1,535 1,528 1,458 1,444
  1978 1,349 1,089 1,363 1,679 1,589 1,655 1,463 1,613 1,483 1,760 1,547 1,420
  1979 1,259 1,067 1,262 1,292 1,592 1,626 1,747 1,845 1,787 2,173 1,884 1,996
  1980 2,380 2,050 2,235 2,304 2,450 2,684 2,806 2,841 2,809 3,073 2,735 2,815
  1981 3,619 2,863 3,339 3,299 3,427 3,535 3,604 3,694 3,569 3,394 3,304 3,589
  1982 3,697 2,914 3,628 3,386 3,084 2,816 2,961 3,096 2,776 2,857 2,815 2,959
  1983 3,363 2,449 2,774 2,446 2,574 2,814 2,989 3,321 3,150 3,235 3,229 2,975
  1984 3,252 3,162 3,172 3,036 3,432 3,627 3,674 3,651 3,363 3,476 3,463 3,389
  1985 3,029 2,569 3,007 2,843 2,703 2,832 2,920 3,079 2,702 2,889 2,412 2,596
  1986 3,183 2,306 2,273 1,761 1,227 1,065 988 994 1,011 1,118 1,099 1,104
  1987 1,194 1,109 1,006 998 1,146 1,211 1,383 1,487 1,419 1,539 1,444 1,348
  1988 1,270 1,211 1,210 1,165 1,254 1,217 1,041 1,078 914 914 762 755
  1989 769 530 652 820 842 780 821 926 784 878 905 916
  1990 984 831 861 808 841 889 938 1,042 1,016 1,218 1,208 1,145
  1991 1,186 1,119 1,114 1,080 1,013 883 899 956 833 903 727 721
  1992 732 577 711 682 659 658 715 688 769 812 712 806
  1993 648 601 660 599 628 674 733 771 721 787 730 703
  1994 612 507 539 503 457 494 458 588 573 604 542 545
  1995 544 534 592 554 667 645 660 677 603 630 557 615
  1996 571 606 595 644 734 628 724 771 687 803 761 740
  1997 705 747 778 821 896 940 899 894 883 873 809 766
  1998 771 687 707 645 591 608 581 529 500 413 361 300
  1999 253 246 217 252 298 324 366 368 386 471 524 453
  2000 565 509 582 554 645 683 702 742 679 798 673 670
  2001 733 652 748 712 810 781 741 767 671 770 609 537
  2002 565 451 475 506 515 588 618 604 497 619 586 493
  2003 576 493 578 649 693 679 709 710 761 680 566 685
  2004 596 606 665 676 717 730 721 789 819 732 675 680
  2005 693 708 796 799 853 911 910 951 909 922 911 877
  2006 963 870 995 984 1,044 1,170 1,149 1,126 1,090 1,131 1,143 1,074
  2007 986 922 1,018 947 1,064 1,087 1,113 1,178 1,062 1,186 1,025 975
  2008 1,111 1,080 1,132 1,177 1,317 1,428 1,439 1,448 1,488 1,549 1,361 1,206
  2009 1,192 991 867 755 584 804 789 867 945 966 931 894
  2010 898 871 1,062 1,173 1,282 1,385 1,386 1,434 1,374 1,502 1,400 1,317
  2011 NA NA NA NA NA NA NA NA NA NA NA NA
  2012 NA NA NA NA NA NA NA NA NA NA NA NA

- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 7/31/2024
Next Release Date: 8/30/2024

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