04-02_Outlook_USReserves_T1.htm (Feb-2004)

A monthly magazine offering industry news, statistics and technical editorial to the oil and gas drilling, exploration and production industry.

Estimated US crude oil proved reserves, 2002 vs. 2001, million bbl
State & subdivision	Proved 12/31/01	Adjust- ments	Revision increases	Revision decreases	Net, sales + acquisitions	Exten- sions	New field discoveries	New reservoirs in old fields	Product- ion2	Proved 12/31/02	'02 vs. '01 % diff.

Alaska	4,851	2	192	39	0	25	0	8	361	4,678	–3.6
Alabama	42	3	8	2	–1	1	0	5	5	51	21.4
Arkansas	43	11	9	5	–2	0	0	0	7	49	14.0
California	3,627	18	223	85	19	88	0	0	257	3,633	0.2
Coastal Region Onshore	385	3	19	2	8	9	0	0	18	404	4.9
Los Angeles Basin Onshore	297	4	48	16	–1	15	0	0	17	330	11.1
San Joaquin Basin Onshore	2,766	14	130	66	–1	64	0	0	205	2,702	–2.3
State Offshore	179	–3	26	1	13	0	0	0	17	197	10.1
Colorado	196	18	30	13	–1	1	0	0	17	214	9.2
Florida	75	1	2	1	0	0	0	0	4	73	–2.7
Illinois	92	22	17	15	0	0	0	0	9	107	16.3
Indiana	12	2	3	0	0	0	0	0	2	15	25.0
Kansas	216	44	37	40	–1	11	2	0	32	237	9.7
Kentucky	17	–5	2	0	15	0	0	0	2	27	58.8
Louisiana	564	18	59	140	4	35	2	19	60	501	–11.2
North	87	6	15	26	–1	5	0	0	11	75	–13.8
South Onshore	341	12	33	58	4	20	2	17	36	335	–1.8
State Offshore	136	0	11	56	1	10	0	2	13	91	–33.1
Michigan	46	11	13	6	1	2	0	0	6	61	32.6
Mississippi	167	12	23	14	4	3	1	1	18	179	7.2
Montana	260	0	22	9	1	27	5	0	18	288	10.8
Nebraska	15	5	3	2	0	0	0	0	3	18	20.0
New Mexico	715	16	80	75	7	27	0	4	64	710	–0.7
South/East	703	16	79	72	5	27	0	4	63	699	–0.6
North/West	12	0	1	3	2	0	0	0	1	11	–8.3
North Dakota	328	–2	52	13	1	9	0	0	33	342	4.3
Ohio	46	19	11	2	–3	1	0	0	5	67	45.7
Oklahoma	556	43	79	68	23	23	0	0	58	598	7.6
Pennsylvania	10	2	3	1	0	0	0	0	2	12	20.0
Texas	4,944	188	427	232	–42	91	0	7	368	5,015	1.4
District 1	46	7	13	9	–1	1	0	0	7	50	8.7
District 2 onshore	48	3	8	6	3	4	0	1	7	54	12.5
District 3 onshore	195	22	37	22	–3	16	0	1	28	218	11.8
District 4 onshore	32	2	5	7	–1	2	0	0	5	28	–12.5
District 5	29	0	3	5	1	0	0	0	4	24	–17.2
District 6	200	27	19	22	–9	3	0	0	20	198	–1.0
District 7B	91	31	10	9	–31	1	0	0	11	82	–9.9
District 7C	188	15	23	13	–24	4	0	0	16	177	–5.9
District 8	1,880	28	156	74	6	29	0	1	113	1,913	1.8
District 8A	2,070	25	132	41	13	27	0	2	135	2,093	1.1
District 9	104	17	13	14	4	3	0	1	15	113	8.7
District 10	55	11	7	9	0	1	0	0	6	59	7.3
State Offshore	6	0	1	1	0	0	0	1	1	6	0.0
Utah	271	–18	12	16	0	4	0	0	12	241	–11.1
West Virginia	8	2	4	0	0	0	0	0	1	13	62.5
Wyoming	489	5	92	22	–12	18	0	0	46	524	7.2
Federal Offshore	4,835	3	521	403	11	125	290	110	483	5,009	3.6
Pacific (California)	547	1	24	8	0	32	0	0	31	565	3.3
Gulf of Mexico (La.)	3,877	–2	401	264	9	92	260	110	395	4,088	5.4
Gulf of Mexico (Texas)	411	4	96	131	2	1	30	0	57	356	–13.4
Miscellaneous¹	21	–4	1	2	0	1	0	0	2	15	–28.6
Lower 48 States	17,595	414	1,733	1,166	24	467	300	146	1,514	17,999	2.3

US total	22,446	416	1,925	1,205	24	492	300	154	1,875	22,677	1.0
¹ Includes Arizona, Missouri, Nevada, New York, South Dakota, Tennessee and Virginia ² Differs from totals in US production section due to use of some API data therein Source: US Energy Information Administration, Office of Oil and Gas

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