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Table T12.  U.S. Net Drilling Footage and Net Producing Wells For FRS Companies and Industry, 2001-2007
  2001 2002 2003 2004 2005 2006 2007
FRS Companies              
 Onshore (thousand feet)
   Exploratory Well Footage               
    Dry Hole Footage   1,085 1,000 823 821 640 660 615
    Oil Well Footage  397 141 152 273 374 132 899
    Natural Gas Well Footage   2,016 1,284 1,655 2,213 3,019 2,988 4,194
  Total Exploratory Footage   3,498 2,425 2,630 3,307 4,033 3,780 5,708
   Development Well Footage               
    Dry Hole Footage 2,029 1,716 1,507 1,475 1,599 1,403 932
    Oil Well Footage  9,435 6,928 8,716 10,352 10,314 12,705 9,856
    Natural Gas Well Footage   26,653 32,078 40,507 44,999 53,568 65,745 74,612
  Total Development Footage  38,117 40,722 50,730 56,827 65,481 79,853 85,400
 Offshore                
   Exploratory Well Footage               
    Dry Hole Footage  1,004 652 628 632 616 507 410
    Oil Well Footage  551 589 289 167 184 180 114
    Natural Gas Well Footage   759 697 504 391 309 303 159
  Total Exploratory Footage  2,314 1,938 1,421 1,191 1,110 990 683
   Development Well Footage               
    Dry Hole Footage  353 369 165 163 161 135 109
    Oil Well Footage 2,260 1,362 1,216 833 966 895 1,044
    Natural Gas Well Footage   1,917 1,370 905 834 685 746 531
  Total Development Footage 4,530 3,101 2,286 1,830 1,812 1,776 1,684
Total United States               
   Exploratory Well Footage               
    Dry Hole Footage  2,089 1,652 1,451 1,453 1,256 1,167 1,025
    Oil Well Footage 948 730 441 440 558 312 1,013
    Natural Gas Well Footage   2,775 1,981 2,159 2,605 3,328 3,291 4,353
  Total Exploratory Footage  5,812 4,363 4,051 4,498 5,142 4,770 6,391
  Development Well Footage              
    Dry Hole Footage  2,382 2,085 1,672 1,638 1,760 1,538 1,041
    Oil Well Footage  11,695 8,290 9,932 11,185 11,280 13,600 10,900
    Natural Gas Well Footage   28,570 33,448 41,412 45,833 54,253 66,491 75,143
  Total Development Footage 42,647 43,823 53,016 58,656 67,293 81,629 87,084
Total Industry              
   Exploratory Well Footage                
    Dry Hole Footage 11,312 8,587 8,826 8,134 8,551 11,107 13,054
    Oil Well Footage 2,435 1,611 1,996 2,957 3,700 4,452 5,236
    Natural Gas Well Footage   6,909 5,062 5,912 8,036 9,191 9,845 10,990
  Total Exploratory Footage  20,656 15,260 16,734 19,127 21,442 25,404 29,280
  Development Well Footage               
    Dry Hole Footage  14,013 12,098 14,739 11,922 13,243 18,425 21,699
    Oil Well Footage  36,334 26,401 30,002 33,734 42,312 56,042 74,850
    Natural Gas Well Footage   102,922 87,326 110,559 119,917 150,587 184,659 216,978
 Total Development Footage  153,269 125,825 155,300 165,573 206,142 259,127 313,527
Number of Net Producing Wells
for FRS Companies		 (number of wells)
  Onshore                
    Oil Wells 66,667 69,021 71,863 69,048 67,632 74,817 74,223
    Natural Gas Wells 82,083 89,102 105,439 116,741 125,681 137,862 135,330
      Total Producing Wells  148,750 158,123 177,302 185,789 193,313 212,679 209,553
  Offshore                
    Oil Wells   4,738 4,384 3,777 3,187 2,562 2,453 2,647
    Natural Gas Wells 3,606 3,011 2,306 2,264 1,697 1,317 1,196
      Total Producing Wells  8,344 7,395 6,083 5,450 4,258 3,770 3,843
  Total United States                
    Oil Wells  71,405 73,405 75,640 72,234 70,193 77,270 76,870
    Natural Gas Wells 85,689 92,113 107,744 119,005 127,378 139,179 136,526
      Total Producing Wells 157,094 165,518 183,384 191,239 197,571 216,450 213,396
  Note: Sum of components may not equal total due to independent rounding. 
  Sources: Well footage, U.S. -  Energy Information Administration,Annual Energy Review, June 23, 2008, Tables 4.6 and 4.7.  
FRS companies' data - Energy Information Administration, Form EIA-28 (Financial Reporting System).