Table 5. Discovery table showing recoverable oil in oil reservoirs based on the NRG Associates Reservoirs (1982 through 1998) dataset. "Oil in oil reservoirs in MMBO: conventional, Lower 48 States, onshore, greater than or equal to 1 MMBOE, created 12/4/00. Fields were classified as oil if the field gas-to-oil ratio is less than" "20,000 cubic feet per barrel." Report Year Commodity Discovery Year 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 No. Reservoirs oil 1898 51 64 70 70 70 74 78 78 76 74 75 75 74 74 74 77 78 24 oil 1899 2268 2269 2372 2430 2471 2477 2546 2597 2598 2597 2591 2584 2591 2581 2581 2782 2882 22 oil 1900 808 809 849 874 894 905 935 955 965 965 965 965 965 975 990 1000 990 6 oil 1901 2069 2069 2102 2206 2251 2300 2480 2549 2627 2675 2695 2734 2754 2868 2916 3045 3318 3 oil 1902 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 oil 1903 105 105 107 108 108 109 111 112 112 112 113 113 113 114 111 111 111 6 oil 1904 188 189 189 191 191 191 192 192 192 193 193 193 193 193 193 193 193 8 oil 1905 55 55 58 58 58 58 58 58 60 60 60 60 57 56 54 54 54 2 oil 1906 97 97 100 100 99 100 101 103 104 106 107 109 109 109 106 106 106 6 oil 1907 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 2 oil 1908 629 632 639 647 648 648 646 656 656 658 657 650 656 658 660 661 661 4 oil 1909 409 411 431 446 469 481 510 524 529 536 552 551 564 566 588 618 640 4 oil 1910 675 675 690 690 700 708 721 731 742 773 784 807 822 822 818 853 854 5 oil 1911 1445 1585 1716 1818 1844 1920 2040 2120 2077 2079 2079 2099 2117 2127 2224 2364 2449 7 oil 1912 167 179 197 198 201 213 233 233 232 232 222 222 222 222 219 220 223 4 oil 1913 25 25 25 25 30 33 39 39 39 40 41 40 52 52 55 55 55 1 oil 1914 57 57 57 58 58 58 59 61 61 61 61 61 61 61 60 60 61 3 oil 1915 333 336 339 341 362 362 366 377 394 392 392 392 392 392 390 393 391 7 oil 1916 22 22 23 23 23 24 24 24 24 26 25 25 25 25 25 26 26 5 oil 1917 224 225 227 228 231 235 239 240 244 246 246 249 250 253 258 263 268 10 oil 1918 293 293 299 300 300 305 308 311 314 315 311 313 313 313 315 320 319 9 oil 1919 970 975 986 999 1000 1003 1016 1011 1011 1005 997 997 998 998 1000 1002 1000 12 oil 1920 754 758 769 777 777 782 788 794 799 800 803 814 816 821 819 815 811 12 oil 1921 1017 1018 1023 1026 1027 1029 1034 1034 1034 1029 1029 1030 1031 1034 1043 1044 1044 14 oil 1922 3794 3802 3857 3921 4008 4009 4026 4026 4027 3971 3982 3993 3990 4002 4010 4056 4040 24 oil 1923 946 950 956 958 955 962 981 1000 1002 1019 1023 1029 1053 1064 1077 1096 1075 18 oil 1924 509 511 517 521 522 526 541 535 535 535 533 538 541 541 542 543 543 15 oil 1925 1757 1773 1782 1812 1818 1823 1838 1882 1897 1910 1914 1923 1933 1953 1970 1986 1968 21 oil 1926 4207 4220 4237 4275 4328 4348 4371 4400 4431 4443 4441 4467 4470 4496 4520 4527 4505 29 oil 1927 556 565 572 578 578 580 583 585 588 588 591 596 597 598 599 602 604 29 oil 1928 1996 2008 2039 2085 2096 2121 2139 2154 2155 2161 2159 2157 2150 2147 2149 2153 2139 34 oil 1929 2300 2317 2369 2413 2410 2441 2448 2460 2468 2656 2492 2521 2572 2548 2594 2644 2638 30 oil 1930 7134 7154 7173 7203 7212 7252 7290 7339 7387 7356 7356 7363 7402 7423 7437 7450 7445 34 oil 1931 1667 1689 1698 1711 1714 1730 1722 1721 1715 1713 1703 1702 1700 1708 1714 1723 1716 17 oil 1932 574 580 581 585 588 590 603 613 617 616 616 620 628 629 634 639 639 15 oil 1933 1460 1464 1481 1488 1488 1484 1487 1489 1491 1498 1500 1502 1503 1510 1509 1514 1515 23 oil 1934 2263 2266 2304 2325 2332 2350 2349 2359 2371 2381 2384 2394 2397 2394 2412 2421 2423 31 oil 1935 1027 1039 1045 1058 1063 1067 1070 1070 1078 1087 1086 1087 1090 1097 1098 1098 1093 33 oil 1936 5461 5445 5617 5962 6005 6127 6249 6320 6459 6495 6505 6547 6537 6593 6660 6600 6590 54 oil 1937 1294 1294 1313 1322 1328 1332 1336 1332 1333 1333 1333 1340 1337 1339 1341 1346 1342 57 oil 1938 2149 2158 2175 2185 2190 2193 2191 2197 2198 2209 2211 2217 2217 2221 2224 2233 2230 66 oil 1939 1060 1063 1075 1085 1093 1100 1114 1132 1145 1169 1162 1170 1165 1170 1178 1187 1184 62 oil 1940 1627 1659 1709 1758 1763 1803 1813 1814 1821 1829 1838 1858 1826 1837 1845 1851 1855 70 oil 1941 1702 1710 1734 1756 1759 1768 1792 1812 1870 1870 1877 1900 1916 1930 1924 1917 1905 77 oil 1942 1157 1196 1215 1214 1222 1223 1239 1245 1258 1272 1268 1270 1274 1282 1290 1294 1302 66 oil 1943 1152 1163 1171 1186 1187 1194 1205 1219 1231 1232 1230 1237 1240 1254 1266 1274 1275 95 oil 1944 2315 2363 2401 2443 2470 2505 2536 2562 2585 2563 2562 2563 2574 2597 2624 2634 2642 100 oil 1945 1283 1300 1317 1334 1338 1347 1359 1367 1384 1398 1411 1409 1420 1443 1468 1500 1529 93 oil 1946 1303 1324 1354 1369 1372 1383 1389 1395 1404 1413 1426 1426 1428 1439 1457 1467 1469 94 oil 1947 978 981 995 1009 1007 1044 1062 1065 1103 1089 1090 1108 1109 1129 1131 1149 1158 129 oil 1948 3017 3061 3068 3074 3067 3072 3051 3062 3039 3049 3042 3029 3005 2980 2994 3002 3002 143 oil 1949 2410 2448 2507 2552 2579 2616 2653 2711 2760 2816 2836 2862 2912 2978 3092 3125 3118 160 oil 1950 2039 2070 2103 2147 2159 2247 2296 2311 2328 2698 2340 2295 2320 2341 2364 2386 2361 217 oil 1951 1336 1352 1363 1391 1402 1418 1431 1447 1465 1478 1464 1469 1465 1468 1475 1484 1486 211 oil 1952 1185 1195 1213 1224 1233 1245 1254 1255 1260 1263 1267 1267 1269 1272 1276 1282 1283 214 oil 1953 1579 1602 1629 1654 1669 1680 1687 1701 1716 1732 1742 1751 1764 1777 1796 1807 1808 278 oil 1954 1442 1465 1487 1510 1519 1534 1545 1554 1575 1593 1599 1601 1611 1617 1622 1636 1636 251 oil 1955 1513 1540 1557 1564 1571 1577 1587 1602 1635 1643 1644 1666 1669 1685 1695 1699 1695 245 oil 1956 1321 1359 1376 1427 1429 1442 1449 1465 1482 1501 1506 1526 1535 1532 1549 1559 1578 236 oil 1957 1201 1232 1257 1258 1262 1266 1277 1286 1302 1321 1332 1342 1351 1372 1386 1394 1399 214 oil 1958 632 652 664 680 690 698 708 717 724 719 729 735 738 739 747 752 757 191 oil 1959 653 663 678 695 699 707 716 722 726 727 735 741 736 738 740 745 751 164 oil 1960 712 723 744 749 756 762 772 778 783 785 790 801 804 805 812 819 823 124 oil 1961 329 335 344 350 354 359 369 371 377 380 386 394 405 405 415 417 420 156 oil 1962 470 486 504 504 504 506 512 520 528 532 532 535 539 538 545 553 555 142 oil 1963 276 283 291 299 302 305 310 312 317 321 327 328 333 335 342 345 344 129 oil 1964 488 490 497 504 505 510 516 522 544 574 587 584 582 608 633 627 622 146 oil 1965 336 347 360 366 368 369 373 374 381 387 389 391 392 392 399 401 401 121 oil 1966 313 325 334 345 352 357 366 374 368 363 365 361 364 368 374 381 382 110 oil 1967 401 412 414 420 419 422 424 428 431 438 439 440 440 441 444 447 447 95 oil 1968 342 346 346 348 351 356 361 360 363 364 369 371 371 373 378 382 389 80 oil 1969 363 368 375 378 382 387 394 400 409 408 413 410 414 419 425 431 433 113 oil 1970 700 712 737 749 754 761 778 790 801 800 810 816 827 834 844 853 868 90 oil 1971 449 453 469 503 511 525 528 532 550 572 586 590 580 590 601 597 588 94 oil 1972 344 345 354 361 370 385 396 400 427 474 450 424 418 415 416 412 405 92 oil 1973 340 349 365 378 380 381 384 383 382 388 392 394 396 407 407 408 397 96 oil 1974 208 241 270 288 297 309 322 323 325 314 317 318 318 320 326 328 330 95 oil 1975 237 252 295 323 326 356 359 364 374 372 365 364 365 371 380 384 392 101 oil 1976 156 170 171 174 175 177 184 186 192 198 202 202 202 203 205 212 216 79 oil 1977 284 320 345 357 355 367 378 391 403 405 415 418 426 432 439 449 467 96 oil 1978 137 151 164 171 172 181 182 181 191 194 199 201 205 212 218 220 220 79 oil 1979 140 153 179 190 192 199 198 196 203 205 216 211 222 227 235 242 249 109 oil 1980 97 121 144 150 156 169 180 179 190 196 197 201 202 206 212 214 214 104 oil 1981 105 158 181 199 206 217 229 233 231 223 232 239 246 248 255 255 261 103 oil 1982 37 109 143 158 164 171 183 180 181 175 172 173 175 175 179 178 181 104 oil 1983 0 47 114 131 147 160 164 167 177 188 198 192 194 196 198 203 208 84 oil 1984 0 0 40 97 120 144 164 170 176 177 179 185 186 190 191 193 196 89 oil 1985 0 0 0 42 93 137 170 198 214 198 202 207 203 199 204 211 214 86 oil 1986 0 0 0 0 15 40 56 68 87 94 97 96 95 96 100 102 111 60 oil 1987 0 0 0 0 0 24 72 91 109 110 113 108 107 103 105 103 107 61 oil 1988 0 0 0 0 0 0 18 48 72 84 90 86 87 84 89 90 96 58 oil 1989 0 0 0 0 0 0 0 18 48 68 74 69 67 71 74 79 75 42 oil 1990 0 0 0 0 0 0 0 0 13 28 39 51 51 49 48 49 50 28 oil 1991 0 0 0 0 0 0 0 0 0 18 43 48 53 55 58 57 60 31 oil 1992 0 0 0 0 0 0 0 0 0 0 10 23 31 44 50 51 49 23 oil 1993 0 0 0 0 0 0 0 0 0 0 0 11 19 26 34 37 42 22 oil 1994 0 0 0 0 0 0 0 0 0 0 0 0 7 35 68 118 130 26 oil 1995 0 0 0 0 0 0 0 0 0 0 0 0 0 17 30 36 39 21 oil 1996 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6 26 41 19 oil 1997 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 17 47 28 oil 1998 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 3 Total Oil 89937 91190 93050 94892 95676 96868 98266 99275 100315 101366 101135 101559 101958 102659 103660 104777 105316 "Source of data: NRG Associates, 1999 [includes data current as of December, 1998], The Significant Oil and Gas Fields of the United States"