U.S. Dry Exploratory and Developmental Wells Drilled (Count)

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Monthly

Annual

U.S. Dry Exploratory and Developmental Wells Drilled (Count)

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
1973	868	747	811	658	809	821	895	1,022	861	948	906	974
1974	867	796	895	955	1,028	947	1,115	1,061	1,074	1,149	1,098	1,131

1975	1,139	861	1,028	1,033	1,043	1,081	1,149	1,194	1,260	1,374	1,237	1,247
1976	1,316	1,045	1,170	1,129	1,064	1,123	1,075	1,102	1,154	1,238	1,164	1,178
1977	1,089	997	1,208	1,147	1,246	1,200	1,248	1,337	1,322	1,426	1,386	1,379
1978	1,346	1,031	1,274	1,304	1,342	1,408	1,405	1,522	1,491	1,570	1,446	1,412
1979	1,227	997	1,192	1,102	1,250	1,278	1,280	1,514	1,450	1,668	1,558	1,583

1980	1,604	1,334	1,389	1,458	1,637	1,753	1,807	1,966	1,941	2,001	1,919	1,976
1981	2,305	1,833	2,102	2,091	2,257	2,343	2,427	2,596	2,467	2,575	2,419	2,538
1982	2,655	2,095	2,341	2,225	2,013	2,058	2,208	2,255	2,110	2,155	2,070	2,175
1983	2,251	1,812	1,953	1,624	1,803	1,958	2,042	2,194	2,112	2,323	2,243	2,028
1984	2,339	1,866	1,845	1,732	2,009	2,452	2,370	2,614	2,185	2,180	2,137	2,155

1985	2,044	1,555	1,892	1,860	1,729	1,733	1,904	1,964	1,726	1,728	1,370	1,706
1986	1,815	1,311	1,384	1,116	949	834	929	894	826	857	871	1,013
1987	895	706	779	849	852	844	964	998	1,066	1,175	983	1,056
1988	897	756	805	819	894	866	873	895	849	938	740	787
1989	656	466	607	680	649	680	689	731	752	830	757	739

1990	696	551	582	622	629	692	750	785	729	862	836	762
1991	609	660	669	669	622	668	742	673	614	709	636	611
1992	513	435	520	501	577	493	552	582	557	558	509	487
1993	449	449	446	526	559	549	675	561	623	573	563	540
1994	449	337	418	420	416	481	471	553	481	509	483	497

1995	420	424	374	396	426	469	476	471	485	477	449	452
1996	475	374	404	404	474	452	494	530	476	564	494	446
1997	454	449	411	472	463	511	515	542	547	574	517	500
1998	420	455	387	394	488	460	419	395	328	391	335	333
1999	275	216	186	220	261	299	287	346	349	354	360	351

2000	323	295	313	336	357	331	351	452	300	349	320	319
2001	366	323	308	366	408	401	411	431	359	413	347	299
2002	302	260	272	286	311	299	309	348	296	329	289	309
2003	296	240	247	312	295	296	336	348	327	383	307	301
2004	289	206	305	286	297	272	273	317	306	316	309	298

2005	294	247	321	334	389	396	350	433	317	336	343	303
2006	313	308	478	494	478	491	498	516	514	502	495	494
2007	494	499	506	508	508	512	514	526	520	517	532	535
2008	514	521	532	543	556

Updated on 7/1/2008

Source: U.S. Energy Information Administration