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Monthly
Annual
Download Data (XLS File)
U.S. Crude Oil Exploratory and Developmental Wells Drilled (Number of Elements)
Year
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
1973
779
695
846
679
891
915
857
978
898
896
911
822
1974
909
883
1,077
1,137
1,191
1,229
1,253
1,210
1,083
1,281
1,105
1,289
1975
1,315
1,067
1,314
1,333
1,352
1,434
1,450
1,545
1,496
1,720
1,430
1,492
1976
1,709
1,288
1,495
1,468
1,385
1,543
1,343
1,581
1,482
1,535
1,396
1,463
1977
1,388
1,345
1,653
1,519
1,596
1,676
1,521
1,698
1,629
1,630
1,565
1,525
1978
1,430
1,182
1,451
1,785
1,704
1,765
1,562
1,708
1,578
1,863
1,643
1,510
1979
1,342
1,151
1,375
1,387
1,670
1,739
1,865
1,948
1,914
2,313
2,015
2,132
1980
2,520
2,187
2,378
2,441
2,580
2,825
2,943
3,004
2,978
3,221
2,884
2,998
1981
3,840
3,042
3,549
3,483
3,652
3,758
3,840
3,929
3,791
3,630
3,530
3,843
1982
3,945
3,098
3,895
3,614
3,266
3,029
3,132
3,298
2,960
3,059
2,991
3,138
1983
3,549
2,619
2,942
2,619
2,727
2,971
3,162
3,493
3,322
3,433
3,394
3,117
1984
3,466
3,357
3,387
3,186
3,629
3,815
3,858
3,835
3,573
3,626
3,643
3,531
1985
3,195
2,733
3,182
2,968
2,852
2,951
3,057
3,245
2,818
3,021
2,505
2,734
1986
3,386
2,448
2,386
1,869
1,304
1,133
1,069
1,052
1,056
1,170
1,160
1,180
1987
1,286
1,171
1,066
1,063
1,218
1,283
1,467
1,562
1,506
1,620
1,538
1,430
1988
1,358
1,285
1,277
1,257
1,307
1,296
1,112
1,144
988
995
816
811
1989
826
578
698
884
880
820
871
982
850
921
958
962
1990
1,029
869
914
870
887
946
998
1,120
1,071
1,286
1,259
1,196
1991
1,251
1,170
1,176
1,137
1,058
938
962
1,005
868
943
764
763
1992
782
613
746
730
699
702
764
733
810
856
750
834
1993
692
629
693
651
670
722
777
804
769
828
779
750
1994
665
534
576
555
511
550
501
636
619
651
600
603
1995
599
579
643
600
706
695
705
719
649
674
601
657
1996
626
652
638
676
781
665
764
817
722
850
796
773
1997
742
778
811
858
935
983
943
925
921
900
845
804
1998
819
714
744
675
610
638
605
544
523
428
373
306
1999
265
260
223
262
312
333
380
377
406
485
541
470
2000
577
525
594
571
668
702
702
746
708
822
687
684
2001
747
679
767
741
838
808
773
794
689
796
612
561
2002
574
461
499
530
537
617
639
607
507
632
608
513
2003
597
519
597
659
709
709
730
737
777
687
598
707
2004
612
618
690
709
744
747
744
817
843
767
691
694
2005
719
746
814
803
882
917
906
950
912
943
906
884
2006
1,004
894
985
980
1,064
1,167
1,123
1,117
1,081
1,121
1,107
1,050
2007
1,010
928
1,031
982
1,073
1,127
1,078
1,099
1,007
1,154
1,018
1,037
2008
1,162
1,189
1,284
1,341
1,404
1,434
1,423
1,487
1,562
1,580
-
= No Data Reported;
--
= Not Applicable;
NA
= Not Available;
W
= Withheld to avoid disclosure of individual company data.
Release Date: 10/31/2008
Next Release Date: 11/28/2008
Referring Pages:
Crude Oil and Natural Gas Exploratory and Development Wells