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U.S. Crude Oil, Natural Gas, and Dry Developmental Wells Drilled (Number of Elements)
U.S. Crude Oil, Natural Gas, and Dry Developmental Wells Drilled (Number of Elements)
Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  1973 1,510 1,372 1,598 1,406 1,697 1,654 1,680 1,923 1,673 1,828 1,777 1,641
  1974 1,832 1,597 1,969 2,013 2,056 2,030 2,179 2,046 1,965 2,237 1,926 2,169
  1975 2,263 1,852 2,119 2,224 2,288 2,465 2,498 2,756 2,770 3,044 2,524 2,559
  1976 2,993 2,291 2,563 2,523 2,468 2,689 2,495 2,882 2,728 2,810 2,619 2,590
  1977 2,584 2,450 3,080 2,814 2,982 3,138 2,999 3,385 3,106 3,268 3,024 3,027
  1978 2,976 2,326 2,939 3,341 3,334 3,520 3,240 3,659 3,445 3,803 3,452 3,203
  1979 3,120 2,390 2,877 2,832 3,386 3,459 3,550 3,915 3,701 4,477 3,894 3,938
  1980 4,667 3,856 4,149 4,266 4,603 5,085 5,154 5,368 5,331 5,654 5,047 5,068
  1981 6,700 5,096 5,849 5,830 6,198 6,345 6,400 6,726 6,508 6,445 6,029 6,391
  1982 6,911 5,502 6,521 6,052 5,645 5,384 5,572 5,814 5,317 5,367 5,320 5,572
  1983 5,976 4,521 4,906 4,202 4,421 4,886 5,174 5,847 5,503 5,941 5,744 5,405
  1984 5,858 5,362 5,267 4,961 5,858 6,387 6,280 6,633 5,991 6,172 6,254 6,047
  1985 5,441 4,598 5,317 4,940 4,644 4,916 5,198 5,422 4,845 5,134 4,082 4,425
  1986 5,220 3,783 3,791 3,037 2,228 2,051 2,094 2,066 2,085 2,288 2,195 2,325
  1987 2,312 2,099 2,013 1,955 2,096 2,203 2,512 2,707 2,662 2,996 2,610 2,574
  1988 2,413 2,259 2,238 2,091 2,278 2,310 2,126 2,213 2,146 2,176 1,861 1,919
  1989 1,815 1,361 1,591 1,787 1,783 1,847 1,968 2,186 2,009 2,184 2,107 2,103
  1990 2,178 1,842 1,886 1,790 2,022 2,142 2,328 2,507 2,413 2,813 2,555 2,441
  1991 2,388 2,215 2,286 2,194 2,099 2,048 2,159 2,117 1,923 2,111 1,717 1,736
  1992 1,643 1,392 1,531 1,389 1,454 1,492 1,563 1,673 1,820 2,095 1,945 2,136
  1993 1,922 1,836 1,892 1,572 1,723 1,720 1,789 1,840 1,915 1,997 1,861 1,825
  1994 1,596 1,358 1,464 1,419 1,393 1,448 1,460 1,705 1,717 1,772 1,600 1,539
  1995 1,513 1,508 1,485 1,352 1,481 1,490 1,503 1,607 1,609 1,651 1,444 1,546
  1996 1,558 1,508 1,507 1,522 1,716 1,574 1,747 1,902 1,783 2,077 1,884 1,775
  1997 1,772 1,826 1,836 1,846 1,980 2,143 2,159 2,185 2,260 2,333 2,098 1,993
  1998 1,917 1,813 1,773 1,761 1,710 1,754 1,802 1,752 1,676 1,708 1,433 1,367
  1999 1,215 1,035 965 975 1,230 1,288 1,394 1,673 1,728 1,887 1,982 1,725
  2000 1,885 1,838 1,989 1,864 2,134 2,251 2,377 2,780 2,465 2,688 2,261 2,228
  2001 2,483 2,188 2,522 2,486 2,823 3,023 2,938 3,190 2,772 3,060 2,514 2,191
  2002 2,213 1,916 1,907 1,925 2,076 2,258 2,278 2,392 2,024 2,269 2,089 1,939
  2003 2,062 1,828 2,097 2,370 2,488 2,581 2,657 2,905 2,834 2,986 2,453 2,625
  2004 2,294 2,246 2,584 2,567 2,749 2,850 2,833 3,148 3,187 3,035 2,728 2,788
  2005 2,744 2,715 2,984 3,084 3,202 3,417 3,344 3,688 3,538 3,462 3,361 3,102
  2006 3,495 3,282 3,681 3,422 3,650 3,973 3,696 4,190 3,812 3,993 3,807 3,563
  2007 3,469 3,153 3,519 3,280 3,653 3,808 3,659 3,979 3,521 4,012 3,597 3,341
  2008 3,501 3,441 3,896 3,985 4,080 4,168 4,216 4,350

- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Release Date: 10/2/2008
Next Release Date: 11/3/2008

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