"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