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Advance Performance Profiles Tables 2006
Table B19.  U.S. Net Wells Completed for FRS Companies and Industry, and Net in-Progress Wells
                      at Year End for FRS Companies, 2000-2006
  2000 2001 2002 2003 2004 2005 2006
Number of Net Wells Completed During Year for FRS Companies              
  Onshore                                                                   
    Net Exploratory Wells                                                   
      Dry Holes                                           86 122 119 93 86 65 64
      Oil Wells                                           19 59 21 19 27 29 12
      Natural Gas Wells                                           217 351 164 164 226 294 360
        Total Exploratory Wells                           321 533 304 275 338 388 435
    Net Development Wells                                                   
      Dry Holes                                           229 266 220 225 197 222 184
      Oil Wells                                           1,775 1,815 1,187 1,567 2,005 2,006 2,274
      Natural Gas Wells                                           2,927 5,226 4,982 5,539 6,246 7,248 8,737
        Total Development Wells                           4,930 7,307 6,389 7,331 8,448 9,476 11,194
  Offshore                                                                  
    Net Exploratory Wells                                                   
      Dry Holes                                           73 63 52 43 39 33 30
      Oil Wells                                           28 39 35 20 11 11 10
      Natural Gas Wells                                           59 63 53 36 29 24 22
        Total Exploratory Wells                           159 165 140 98 78 67 63
    Net Development Wells                                                   
      Dry Holes                                           29 38 38 13 14 16 15
      Oil Wells                                           128 240 135 95 85 99 102
      Natural Gas Wells                                           157 170 134 75 73 56 62
        Total Development Wells                           315 448 307 183 172 172 178
Total United States              
    Net Exploratory Wells                                                   
      Dry Holes                                           158 185 171 135 125 98 94
      Oil Wells                                           47 98 56 38 37 39 22
      Natural Gas Wells                                           275 415 217 199 254 318 383
        Total Exploratory Wells                           480 698 443 373 416 455 498
    Net Development Wells                                                   
      Dry Holes                                           258 305 259 238 211 239 199
      Oil Wells                                           1,903 2,054 1,321 1,662 2,090 2,105 2,375
      Gas Wells                                           3,084 5,396 5,116 5,614 6,319 7,304 8,798
        Total Development Wells                           5,245 7,755 6,696 7,514 8,620 9,648 11,373
Number of Net Wells Completed During Year for Total Industry              
    Net Exploratory Wells                                                   
      Dry Holes                                           1,288 1,716 1,283 1,266 1,200 1,577 -
      Oil Wells                                           268 330 239 326 353 429 -
      Natural Gas Wells                                           607 972 701 892 1,323 1,452 -
        Total Exploratory Wells                           2,163 3,018 2,223 2,484 2,876 3,458 -
    Net Development Wells                                                   
      Dry Holes                                           2,737 2,716 2,327 2,422 2,274 3,067 -
      Oil Wells                                           7,090 7,856 5,987 7,139 7,350 9,404 -
      Natural Gas Wells                                           15,848 20,431 16,027 18,630 20,493 25,945 -
        Total Development Wells                           25,675 31,003 24,341 28,191 30,117 38,418 -
Number of Net In-Progress Wells At Year End for FRS Companies              
  Onshore                                                                   
    Exploratory Wells                                     70 85 66 84 126 134 184
    Development Wells                                     716 1,052 1,315 1,209 1,785 2,162 2,133
      Total In-Progress Wells                             786 1,138 1,381 1,293 1,911 2,295 2,317
  Offshore                                                                  
    Exploratory Wells                                     50 56 55 46 52 58 25
    Development Wells                                     110 63 47 78 108 87 73
      Total In-Progress Wells                             160 118 102 124 159 145 98
  Total United States                                                       
    Exploratory Wells                                     120 141 120 130 177 192 209
    Development Wells                                     826 1,115 1,362 1,286 1,893 2,249 2,206
      Total In-Progress Wells                             946 1,256 1,482 1,416 2,071 2,441 2,415
  Note: Sum of components may not equal total due to independent rounding. 
  - = Not available.
  Sources: Industry data - Energy Information Adminstration, Monthly Energy Review, December 2005, Table 5.2. Crude Oil and Natural Gas Wells Drilled.
FRS companies' data - Energy Information Administration, Form EIA-28 (Financial Reporting System).