"Table 15.  Recoverable oil and natural gas volumes by age and type in conventional fields and reservoirs of the Lower 48 United States, located onshore and in State waters, as reported in the Energy Information Administration (1996) and NRG Associates (1998) databases."													

													
"Energy Information Administration (1996), Field Data"					"NRG Associates (1998), Field Data (>= 1 MMBOE)"					"NRG Associates (1998), Reservoir Data (in fields >= 1 MMBOE)"			
Field Type	Discovery Year	Oil (MMBO)	Gas (BCFG)		Field Type	Discovery Year	Oil (MMBO)	Gas (BCFG)		Reservoir Type	Discovery Year	Oil (MMBO)	Gas (BCFG)
Gas	1996	2	334		Gas	1998	0	212		Gas	1998	0	394
Oil	1996	29	62		Oil	1998	0	0		Oil	1998	2	1
Gas	1995	6	852		Gas	1997	0	426		Gas	1997	0	614
Oil	1995	71	200		Oil	1997	39	95		Oil	1997	47	104
Gas	1994	3	811		Gas	1996	1	300		Gas	1996	1	629
Oil	1994	78	203		Oil	1996	32	65		Oil	1996	41	73
Gas	1993	7	822		Gas	1995	0	982		Gas	1995	0	1035
Oil	1993	54	55		Oil	1995	22	18		Oil	1995	39	84
Gas	1992	5	642		Gas	1994	0	773		Gas	1994	0	1110
Oil	1992	79	135		Oil	1994	101	77		Oil	1994	130	149
Gas	1991	3	455		Gas	1993	0	365		Gas	1993	0	614
Oil	1991	90	216		Oil	1993	24	27		Oil	1993	42	32
Gas	1990	6	2102		Gas	1992	0	345		Gas	1992	0	687
Oil	1990	70	141		Oil	1992	40	72		Oil	1992	49	95
Gas	1989	9	949		Gas	1991	1	396		Gas	1991	0	431
Oil	1989	87	242		Oil	1991	63	87		Oil	1991	60	92
Gas	1988	10	1092		Gas	1990	2	1570		Gas	1990	1	1622
Oil	1988	102	211		Oil	1990	42	87		Oil	1990	50	96
Gas	1987	7	620		Gas	1989	1	1280		Gas	1989	1	1589
Oil	1987	126	268		Oil	1989	73	181		Oil	1989	75	151
Gas	1986	5	1334		Gas	1988	0	818		Gas	1988	0	966
Oil	1986	109	190		Oil	1988	68	182		Oil	1988	96	176
Gas	1985	12	2008		Gas	1987	1	387		Gas	1987	0	547
Oil	1985	284	865		Oil	1987	83	162		Oil	1987	107	307
Gas	1984	13	1373		Gas	1986	1	490		Gas	1986	0	654
Oil	1984	251	500		Oil	1986	78	63		Oil	1986	111	147
Gas	1983	20	2298		Gas	1985	0	1013		Gas	1985	1	2895
Oil	1983	252	508		Oil	1985	177	403		Oil	1985	214	380
Gas	1982	26	2566		Gas	1984	2	1126		Gas	1984	0	1760
Oil	1982	327	705		Oil	1984	176	350		Oil	1984	196	377
Gas	1981	35	4972		Gas	1983	3	1346		Gas	1983	3	1300
Oil	1981	351	1222		Oil	1983	162	288		Oil	1983	208	358
Gas	1980	37	3173		Gas	1982	7	2420		Gas	1982	7	2744
Oil	1980	435	1895		Oil	1982	172	343		Oil	1982	181	306
Gas	1979	62	7031		Gas	1981	6	2703		Gas	1981	4	3034
Oil	1979	525	1460		Oil	1981	284	886		Oil	1981	261	802
Gas	1978	96	6946		Gas	1980	5	4896		Gas	1980	2	4803
Oil	1978	298	804		Oil	1980	184	316		Oil	1980	214	368
Gas	1977	53	6383		Gas	1979	10	7528		Gas	1979	5	9402
Oil	1977	554	2592		Oil	1979	264	677		Oil	1979	249	504
Gas	1976	32	4362		Gas	1978	6	3753		Gas	1978	5	3545
Oil	1976	577	1118		Oil	1978	126	254		Oil	1978	220	294
Gas	1975	47	4812		Gas	1977	11	7374		Gas	1977	4	6698
Oil	1975	342	652		Oil	1977	445	1482		Oil	1977	467	1407
Gas	1974	47	6734		Gas	1976	4	3316		Gas	1976	3	3137
Oil	1974	614	1586		Oil	1976	352	594		Oil	1976	216	394
Gas	1973	64	6044		Gas	1975	12	3479		Gas	1975	4	4099
Oil	1973	278	874		Oil	1975	380	503		Oil	1975	392	630
Gas	1972	68	4475		Gas	1974	12	4230		Gas	1974	3	4550
Oil	1972	671	2697		Oil	1974	330	595		Oil	1974	330	679
Gas	1971	45	4339		Gas	1973	33	4169		Gas	1973	26	3770
Oil	1971	309	1029		Oil	1973	321	566		Oil	1973	397	749
Gas	1970	24	3310		Gas	1972	30	3962		Gas	1972	5	4092
Oil	1970	1153	1906		Oil	1972	371	446		Oil	1972	405	587
Gas	1969	53	6979		Gas	1971	13	5365		Gas	1971	5	4369
Oil	1969	467	902		Oil	1971	295	1039		Oil	1971	588	1371
Gas	1968	27	3671		Gas	1970	8	2306		Gas	1970	1	1964
Oil	1968	449	875		Oil	1970	853	949		Oil	1970	868	890
Gas	1967	39	3593		Gas	1969	4	3236		Gas	1969	4	5508
Oil	1967	487	944		Oil	1969	308	573		Oil	1969	433	702
Gas	1966	48	5535		Gas	1968	4	3517		Gas	1968	1	7646
Oil	1966	547	808		Oil	1968	368	551		Oil	1968	389	490
Gas	1965	42	3925		Gas	1967	6	3588		Gas	1967	5	2978
Oil	1965	630	1314		Oil	1967	438	477		Oil	1967	447	481
Gas	1964	120	6165		Gas	1966	10	5310		Gas	1966	3	4233
Oil	1964	681	1010		Oil	1966	276	342		Oil	1966	382	369
Gas	1963	70	10893		Gas	1965	20	3705		Gas	1965	7	3888
Oil	1963	565	1262		Oil	1965	348	545		Oil	1965	401	670
Gas	1962	44	5505		Gas	1964	6	6302		Gas	1964	3	5848
Oil	1962	734	1779		Oil	1964	479	1634		Oil	1964	622	1824
Gas	1961	77	6973		Gas	1963	13	8627		Gas	1963	8	10097
Oil	1961	521	726		Oil	1963	346	461		Oil	1963	344	507
Gas	1960	113	10474		Gas	1962	37	8507		Gas	1962	27	8147
Oil	1960	998	3618		Oil	1962	362	688		Oil	1962	555	733
Gas	1959	117	9943		Gas	1961	25	7431		Gas	1961	16	5010
Oil	1959	982	2659		Oil	1961	389	485		Oil	1961	420	458
Gas	1958	235	14345		Gas	1960	27	7378		Gas	1960	23	8078
Oil	1958	1650	3179		Oil	1960	901	1773		Oil	1960	823	1167
Gas	1957	197	10925		Gas	1959	55	7509		Gas	1959	18	4221
Oil	1957	1228	2459		Oil	1959	750	1980		Oil	1959	751	1842
Gas	1956	146	13974		Gas	1958	97	11147		Gas	1958	59	7818
Oil	1956	2133	4471		Oil	1958	976	1481		Oil	1958	757	1298
Gas	1955	97	8848		Gas	1957	122	14560		Gas	1957	19	9008
Oil	1955	1444	2666		Oil	1957	1083	2166		Oil	1957	1399	2697
Gas	1954	208	11508		Gas	1956	80	11551		Gas	1956	46	10014
Oil	1954	1289	3388		Oil	1956	1583	2731		Oil	1956	1578	2245
Gas	1953	213	15333		Gas	1955	25	5855		Gas	1955	21	5868
Oil	1953	2597	5554		Oil	1955	1158	2107		Oil	1955	1695	2066
Gas	1952	159	13744		Gas	1954	101	9494		Gas	1954	21	7258
Oil	1952	1892	3256		Oil	1954	993	2395		Oil	1954	1636	2294
Gas	1951	158	9775		Gas	1953	64	8018		Gas	1953	46	6142
Oil	1951	1713	3075		Oil	1953	2015	4478		Oil	1953	1808	2969
Gas	1950	43	3439		Gas	1952	40	13057		Gas	1952	30	7130
Oil	1950	4335	7549		Oil	1952	1417	2214		Oil	1952	1283	2116
Gas	1949	236	15566		Gas	1951	53	8259		Gas	1951	23	4137
Oil	1949	2628	5407		Oil	1951	1428	2992		Oil	1951	1486	2014
Gas	1948	181	7635		Gas	1950	39	5385		Gas	1950	32	5084
Oil	1948	3194	4986		Oil	1950	2268	3281		Oil	1950	2361	2457
Gas	1947	129	5385		Gas	1949	49	10202		Gas	1949	49	5581
Oil	1947	1987	4484		Oil	1949	4594	10757		Oil	1949	3118	6087
Gas	1946	124	12193		Gas	1948	194	9673		Gas	1948	14	2454
Oil	1946	940	2590		Oil	1948	2926	3671		Oil	1948	3002	2683
Gas	1945	391	15456		Gas	1947	40	5037		Gas	1947	17	2844
Oil	1945	3459	12671		Oil	1947	1510	3394		Oil	1947	1158	1430
Gas	1944	147	8508		Gas	1946	62	4397		Gas	1946	47	4209
Oil	1944	3055	6246		Oil	1946	668	1705		Oil	1946	1469	2995
Gas	1943	81	5534		Gas	1945	53	8114		Gas	1945	35	6033
Oil	1943	1325	4618		Oil	1945	2534	6970		Oil	1945	1529	3496
Gas	1942	153	6391		Gas	1944	55	6013		Gas	1944	34	6025
Oil	1942	2020	2845		Oil	1944	2908	3554		Oil	1944	2642	3304
Gas	1941	95	7215		Gas	1943	35	6473		Gas	1943	22	1983
Oil	1941	1538	4204		Oil	1943	1397	3688		Oil	1943	1275	2407
Gas	1940	170	7619		Gas	1942	16	4110		Gas	1942	27	2134
Oil	1940	4383	10240		Oil	1942	1367	2412		Oil	1942	1302	1250
Gas	1939	26	3078		Gas	1941	71	7811		Gas	1941	16	2251
Oil	1939	1793	3611		Oil	1941	1694	3246		Oil	1941	1905	3440
Gas	1938	192	18090		Gas	1940	58	3820		Gas	1940	50	4597
Oil	1938	5297	19494		Oil	1940	3140	7252		Oil	1940	1855	2562
Gas	1937	339	15983		Gas	1939	97	6874		Gas	1939	63	5323
Oil	1937	6967	8803		Oil	1939	1187	4240		Oil	1939	1184	3142
Gas	1936	186	19261		Gas	1938	119	8132		Gas	1938	59	4884
Oil	1936	3038	6567		Oil	1938	4127	13615		Oil	1938	2230	4664
Gas	1935	26	5344		Gas	1937	156	12552		Gas	1937	30	2676
Oil	1935	3055	6820		Oil	1937	3019	13872		Oil	1937	1342	1492
Gas	1934	158	5565		Gas	1936	123	21630		Gas	1936	13	10935
Oil	1934	2631	4888		Oil	1936	7849	14245		Oil	1936	6590	7898
Gas	1933	8	597		Gas	1935	36	8787		Gas	1935	27	7409
Oil	1933	1159	2682		Oil	1935	1537	4050		Oil	1935	1093	3397
Gas	1932	10	595		Gas	1934	153	7427		Gas	1934	4	480
Oil	1932	3292	1824		Oil	1934	3711	7464		Oil	1934	2423	4126
Gas	1931	2	959		Gas	1933	0	999		Gas	1933	6	2325
Oil	1931	2197	3635		Oil	1933	1496	4781		Oil	1933	1515	2916
Gas	1930	170	4854		Gas	1932	2	2059		Gas	1932	2	2087
Oil	1930	8277	8182		Oil	1932	1171	851		Oil	1932	639	800
Gas	1929	84	2898		Gas	1931	0	501		Gas	1931	1	274
Oil	1929	4455	6109		Oil	1931	2696	4972		Oil	1931	1716	2247
Gas	1928	72	3558		Gas	1930	32	7292		Gas	1930	148	5585
Oil	1928	3202	8033		Oil	1930	7750	9051		Oil	1930	7445	4023
Gas	1927	8	1316		Gas	1929	2	3041		Gas	1929	0	414
Oil	1927	2125	4774		Oil	1929	5016	15850		Oil	1929	2638	9493
Gas	1926	59	2519		Gas	1928	153	6061		Gas	1928	0	166
Oil	1926	4419	1874		Oil	1928	3330	4675		Oil	1928	2139	2724
Gas	1925	24	3260		Gas	1927	23	1066		Gas	1927	13	479
Oil	1925	1545	561		Oil	1927	863	853		Oil	1927	604	492
Gas	1924	31	3363		Gas	1926	5	1036		Gas	1926	4	331
Oil	1924	1325	1598		Oil	1926	6220	6002		Oil	1926	4505	2152
Gas	1923	1	177		Gas	1925	1	187		Gas	1925	0	97
Oil	1923	1525	1897		Oil	1925	1209	667		Oil	1925	1968	1950
Gas	1922	66	43969		Gas	1924	142	7059		Gas	1924	0	435
Oil	1922	1774	2973		Oil	1924	1263	940		Oil	1924	543	860
Gas	1921	3	449		Gas	1923	22	710		Gas	1923	1	66
Oil	1921	1996	2377		Oil	1923	1808	2395		Oil	1923	1075	729
Gas	1920	1	205		Gas	1922	112	5041		Gas	1922	0	326
Oil	1920	2562	2094		Oil	1922	4565	1862		Oil	1922	4040	1542
Gas	1919	26	803		Gas	1921	0	646		Gas	1921	0	143
Oil	1919	2828	3196		Oil	1921	1628	2050		Oil	1921	1044	978
Gas	1918	6	31197		Gas	1920	1	185		Gas	1920	0	184
Oil	1918	1015	769		Oil	1920	2450	1178		Oil	1920	811	505
Gas	1917	6	374		Gas	1919	0	172		Gas	1919	0	388
Oil	1917	1162	806		Oil	1919	1606	1697		Oil	1919	1000	985
Gas	1916	114	11842		Gas	1918	1544	83675		Gas	1918	1523	76494
Oil	1916	2659	5087		Oil	1918	2375	3048		Oil	1918	319	465
Gas	1915	1	153		Gas	1917	8	320		Gas	1917	0	25
Oil	1915	1480	763		Oil	1917	1112	2381		Oil	1917	268	209
Gas	1914	2	3548		Gas	1916	56	13429		Gas	1916	0	196
Oil	1914	489	278		Oil	1916	1127	1257		Oil	1916	26	14
Gas	1913	0	157		Gas	1915	0	358		Gas	1915	0	5
Oil	1913	786	455		Oil	1915	1967	1492		Oil	1915	391	257
Gas	1912	0	112		Gas	1914	0	395		Gas	1914	0	115
Oil	1912	1376	1879		Oil	1914	622	409		Oil	1914	61	11
Gas	1911	0	0		Gas	1913	0	29		Gas	1913	0	9
Oil	1911	2695	643		Oil	1913	900	510		Oil	1913	55	260
Gas	1910	0	2608		Gas	1912	0	2276		Gas	1912	0	28
Oil	1910	2084	3071		Oil	1912	1546	1593		Oil	1912	223	167
Gas	1909	0	85		Gas	1911	0	57		Gas	1911	0	0
Oil	1909	1527	1709		Oil	1911	3881	2920		Oil	1911	2449	887
Gas	1908	0	89		Gas	1910	0	78		Gas	1910	0	78
Oil	1908	65	115		Oil	1910	1198	927		Oil	1910	854	1150
Gas	1907	0	2		Gas	1909	0	0		Gas	1909	0	101
Oil	1907	18	118		Oil	1909	1526	1586		Oil	1909	640	296
Gas	1906	0	1		Gas	1908	0	0		Gas	1908	0	0
Oil	1906	917	631		Oil	1908	1151	1038		Oil	1908	661	734
Gas	1905	0	7		Gas	1907	0	0		Gas	1907	0	0
Oil	1905	2093	3071		Oil	1907	136	690		Oil	1907	13	4
Gas	1904	0	84		Gas	1906	0	0		Gas	1906	0	0
Oil	1904	643	438		Oil	1906	581	279		Oil	1906	106	7
Gas	1903	0	10		Gas	1905	3	121		Gas	1905	3	121
Oil	1903	124	78		Oil	1905	447	51		Oil	1905	54	20
Gas	1902	0	11		Gas	1904	0	3061		Gas	1904	0	1
Oil	1902	1165	1333		Oil	1904	2813	1518		Oil	1904	193	212
Gas	1901	0	102		Gas	1903	0	0		Gas	1903	0	0
Oil	1901	3651	985		Oil	1903	195	327		Oil	1903	111	114
Gas	1900	0	104		Gas	1902	0	63		Gas	1902	0	63
Oil	1900	755	335		Oil	1902	332	499		Oil	1902	0	0
Gas	1899	4	507		Gas	1901	0	0		Gas	1901	0	0
Oil	1899	6058	2320		Oil	1901	3989	945		Oil	1901	3318	647
Gas	1898	998	29344		Gas	1900	0	0		Gas	1900	0	0
Oil	1898	1975	11238		Oil	1900	161	215		Oil	1900	990	234
					Gas	1899	7	206		Gas	1899	7	171
					Oil	1899	4819	2790		Oil	1899	2882	561
					Gas	1898	0	8		Gas	1898	1	616
					Oil	1898	15	25		Oil	1898	78	76