01-02_USReserves-staff_T1.htm (Feb-2001)

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

Estimated U.S. crude oil reserves, 1999 vs. 1998, million bbl
State & subdivision		Proved 12/31/98	Adjustments	Revision increases	Revision decreases	Extensions	New field discoveries	New reservoirs in old fields	Production²	Proved 12/31/99	’99 vs. ’98 % diff.

Alaska		5,052	1	2,351	2,201	6	79	0	388	4,900	– 3.0
Alabama		39	– 1	29	13	0	0	0	5	48	23.1
Arkansas		47	– 7	23	10	0	0	0	5	48	2.1
California		3,843	72	575	337	60	0	0	279	3,934	2.4
	Coastal onshore	354	2	150	31	33	0	0	17	491	38.7
	Los Angeles basin	207	40	98	42	13	0	0	19	297	43.5
	San Joaquin basin	3,127	19	275	264	14	0	0	222	2,949	– 5.7
	State offshore	155	11	52	0	0	0	0	21	197	27.1
Colorado		212	– 9	25	9	0	0	0	16	203	– 4.2
Florida		71	1	18	0	0	0	0	5	85	19.7
Illinois		81	5	24	1	0	0	0	9	100	23.5
Indiana		13	– 4	3	1	0	0	0	1	10	– 23.1
Kansas		246	– 97	60	17	4	0	2	23	175	– 28.9
Kentucky		23	0	3	0	0	0	0	2	24	4.3
Louisiana		551	10	184	90	20	2	10	87	600	8.9
	North	101	– 6	33	15	12	0	0	17	108	6.9
	South onshore	353	3	126	63	8	2	8	53	384	8.8
	State offshore	97	13	25	12	0	0	2	17	108	11.3
Michigan		44	3	26	14	0	0	0	7	52	18.2
Mississippi		141	– 16	62	12	2	0	1	15	163	15.6
Montana		167	– 5	136	94	15	0	0	12	207	24.0
Nebraska		18	– 3	7	3	0	0	0	2	17	– 5.6
New Mexico		620	54	149	55	11	0	0	61	718	15.8
	South/East	610	51	147	54	11	0	0	60	705	15.6
	North/West	10	3	2	1	0	0	0	1	13	30.0
North Dakota		245	21	55	31	3	0	0	31	262	6.9
Ohio		40	– 21	28	2	0	0	10	4	51	27.5
Oklahoma		599	5	148	81	6	0	0	56	621	3.7
Pennsylvania		15	0	3	2	1	0	0	1	16	6.7
Texas		4,927	127	1,239	601	59	1	3	416	5,339	8.4
	District 1	61	– 17	31	1	0	0	0	8	66	8.2
	District 2	45	8	15	6	0	0	0	9	53	17.8
	District 3	211	15	62	44	10	0	0	33	221	4.7
	District 4	40	– 1	14	7	2	0	0	6	42	5.0
	District 5	40	– 2	6	2	1	0	0	6	37	– 7.5
	District 6	308	6	126	167	3	0	0	31	245	– 20.5
	District 7B	115	20	9	7	0	0	0	14	123	7.0
	District 7C	173	21	60	31	3	0	1	18	209	20.8
	District 8	1,865	31	406	123	18	0	2	132	2,067	10.8
	District 8A	1,895	22	444	159	21	1	0	135	2,089	10.2
	District 9	111	16	52	41	1	0	0	16	123	10.8
	District 10	62	4	11	9	0	0	0	7	61	– 1.6
	State offshore	1	4	3	4	0	0	0	1	3	200.0
Utah		201	4	112	35	0	0	0	14	268	33.3
West Virginia		17	5	2	2	0	0	0	1	21	23.5
Wyoming		547	– 6	141	45	4	1	0	52	590	7.9
Federal offshore		3,261	1	876	808	68	238	119	458	3,297	1.1
	Pacific (California)	468	– 1	147	26	2	0	0	37	553	18.2
	Gulf of Mexico (Louisiana)	2,483	2	693	730	55	238	77	376	2,442	– 1.7
	Gulf of Mexico (Texas)	310	0	36	52	11	0	42	45	302	– 2.6
Miscellaneous¹		14	– 1	5	1	0	0	0	2	15	7.1
Lower 48 states		15,982	138	3,933	2,264	253	242	145	1,564	16,865	5.5
U.S. total		21,034	139	6,284	4,465	259	321	145	1,952	21,764	3.5
¹Includes Arizona, Missouri, Nevada, New York, South Dakota, Tennessee and Virginia. ²Differs from totals in U.S. production section due to use of some API data therein. Source: U.S. Energy Information Administration, Office of Oil and Gas.

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