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| U.S. Footage Drilled for Dry Exploratory Wells (Thousand Feet) | |||||
| Decade | Year-0 | Year-1 | Year-2 | Year-3 | Year-4 | Year-5 | Year-6 | Year-7 | Year-8 | Year-9 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1940's | 26,439 | |||||||||
| 1950's | 30,957 | 38,723 | 43,731 | 47,280 | 45,792 | 53,220 | 58,047 | 53,420 | 47,300 | 48,676 |
| 1960's | 43,535 | 43,293 | 42,223 | 42,847 | 44,578 | 40,081 | 43,084 | 38,182 | 41,575 | 45,918 |
| 1970's | 35,123 | 34,499 | 36,081 | 34,571 | 38,603 | 40,448 | 37,969 | 40,823 | 46,295 | 42,512 |
| 1980's | 50,249 | 69,214 | 60,680 | 48,989 | 58,624 | 47,604 | 30,325 | 26,746 | 27,079 | 21,947 |
| 1990's | 20,752 | 18,042 | 13,047 | 13,465 | 13,288 | 11,922 | 12,134 | 13,499 | 10,809 | 7,671 |
| 2000's | 9,194 | 11,387 | 8,663 | 8,763 | 9,243 | 9,347 | 9,688 | 10,281 | 11,130 |
| - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. |
| Release Date: 10/31/2025 |
| Next Release Date: 11/28/2025 |
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