Economics and the 1995 National Assessment of U.S. Oil and Gas Resources

Table A-1 Mean values of undiscovered technically recoverable conventional oil, gas*, and natural gas liquids (NGL) in conterminous U. S. oil and gas fields as of January 1994.

		OIL FIELDS			GAS FIELDS
Province number and name**		OIL	GAS	NGL	GAS	NGL
		(MMBO)	(BCF)	(MMBL)	(BCF)	(MMBL)
1	Northern Alaska	7399	5933	127	57620	1024
2	Central Alaska	63	63	0	2700	0
3	Southern Alaska	964	964	0	1196	0
TOTAL	REG. 1-Alaska	8426	6960	127	61516	1024

4	Western Oregon-Wash.	25	37	2	759	0
5	Eastern Oregon-Wash.	0	0	0	392	1
7	Northern Coastal	30	10	0	1074	0
8	Sonoma-Livermore Basin	9	9	0	53	0
9	Sacramento Basin	2	0	0	3328	9
10	San Joaquin Basin	1214	2027	105	537	0
11	Central Coastal	493	147	5	5	0
12	Santa Maria Basin	210	123	10	0	0
13	Ventura Basin	1064	1064	34	834	33
14	Los Angeles Basin	977	1605	56	0	0
TOTAL	REG. 2-Pacific Coast	4024	5022	212	6982	43

17	Idaho-Snake R. Downwarp	1	0	0	12	0
18	W. Great Basin	1	0	0	5	0
19	E. Great Basin	488	78	1	261	6
20	Uinta-Piceance Basin	211	1737	64	2791	12
21	Paradox Basin	307	750	78	1234	9
22	San Juan Basin	162	293	6	661	25
23	Albuquerque-Santa Fe Rift	45	86	3	267	16
24	N. Arizona	65	41	2	133	13
25	S. Ariz.-S.W. New Mexico	24	2	0	203	20
TOTAL	REG. 3-Colorado Plateau & Basin & Range	1304	2987	154	5567	101

27	Montana Thrust Belt	4	4	0	1919	6
28	Central Montana	268	97	2	749	0
29	S.W. Montana	27	25	1	382	2
31	Williston Basin	663	720	54	1003	125
33	Powder River Basin	1938	1220	77	401	24
34	Big Horn Basin	387	69	2	553	11
35	Wind River Basin	155	310	8	929	6
36	Wyoming Thrust Belt	625	2459	383	8222	784
37	S.W. Wyoming	167	333	4	1242	22
38	Park Basins	30	19	0	0	0
39	Denver Basin	228	192	20	563	6
40	Las Animas Arch	137	113	3	418	11
41	Raton B.-Sierra Grande Uplif	t 0	0	0	42	1
TOTAL	REG. 4-Rocky Mt. & N. Great Plains	4629	5561	554	16423	998

43	Palo Duro Basin	33	3	0	6	0
44	Permian Basin	2882	4294	441	12108	200
45	Bend Arch-Ft. Worth Basin	638	802	48	1350	98
46	Marathon Thrust Belt	17	45	4	104	6
TOTAL	REG. 5-W.Texas & E.N.Mexico	3570	5144	493	13568	304

47	Western Gulf	2287	6124	195	62287	1631
49	Louisiana-Miss. Salt Basins	2685	4008	159	25562	1340
50	Florida Peninsula	419	40	0	0	0
TOTAL	REG. 6-Gulf Coast	5391	10172	354	87849	2971

51	Superior	53	32	0	387	0
53	Cambridge Arch-C. Kansas	203	286	16	128	3
55	Nemaha Uplift	123	352	25	123	3
56	Forest City Basin	22	66	4	0	0
58	Anadarko Basin	383	1808	75	12398	143
59	Sedgwick Basin	61	165	14	134	1
60	Cherokee Basin	77	133	10	52	1
61	Southern Oklahoma	241	385	19	629	7
62	Arkoma Basin	11	18	1	2477	93
TOTAL	REG. 7-Midcontinent	1174	3245	164	16328	251

63	Michigan Basin	1113	1995	136	4152	146
64	Illinois Basin	255	192	0	312	0
65	Black Warrior Basin	34	17	0	2012	8
66	Cincinnati Arch	18	18	0	0	0
67	Appalachian Basin	106	121	1	2298	3
68	Blue Ridge Thrust Belt	0	0	0	30	0
69	Piedmont	0	0	0	390	0
TOTAL	REG. 8-Eastern	1526	2343	137	9194	157
TOTAL	UNITED STATES	30044	41434	2195	217427	5849

** Provinces not listed include the Klamath-Sierra Nevada (006) and Salton Trough (016) where no resources were assigned, South Central New Mexico (026), Sioux Arch (032), Pedernal Uplift (042), Iowa Shelf (052), Ozark Uplift (057) where negligible resources were assessed and the San Diego-Oceanside (015) was assessed by Minerals Management Service. The assessment of the East Texas Basin (048) is included in the values shown for the Louisiana-Mississippi Salt Basins (049) and the assessment for the Salina Basin (054) is included in the values shown for the Sedgwick Basin (059).