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Energy Glossary
View History:
Monthly
Annual
Download Data (XLS File)
U.S. Dry Developmental Wells Drilled (Number of Elements)
Decade
Year-0
Year-1
Year-2
Year-3
Year-4
Year-5
Year-6
Year-7
Year-8
Year-9
1940's
5,369
1950's
6,507
7,487
7,669
7,816
8,541
8,620
8,993
8,252
7,530
8,012
1960's
8,697
8,309
8,263
8,076
8,743
8,221
6,808
5,886
5,373
5,735
1970's
4,869
4,357
4,757
4,368
5,283
6,517
6,986
7,702
8,586
8,662
1980's
11,704
15,553
15,072
14,149
14,563
12,257
7,232
6,115
5,408
4,302
1990's
4,703
4,492
3,734
4,004
3,050
3,040
3,341
3,777
3,156
2,337
2000's
2,792
2,834
2,449
2,650
2,692
3,250
3,742
3,599
3,942
-
= No Data Reported;
--
= Not Applicable;
NA
= Not Available;
W
= Withheld to avoid disclosure of individual company data.
Release Date: 10/8/2009
Next Release Date: 11/6/2009
Referring Pages:
Crude Oil and Natural Gas Exploratory and Development Wells