"Table 12. Growth factors from the U.S. Lower 48 Mean - 1991 model (Schmoker and Klett, 2000)." "Multipliers, for Forecasts" Years Since Discovery Annual Mean Oil and Gas Factors Cumulative Mean Oil and Gas Factors 30-Year Mean Oil and Gas 80-Year Mean Oil and Gas 0 1.90850 1.00000 6.02308 9.04433 1 1.29629 1.90850 3.20218 4.76691 2 1.14693 2.47397 2.50038 3.69929 3 1.08773 2.83748 2.20650 3.24451 4 1.06154 3.08640 2.05186 3.00060 5 1.05404 3.27633 1.95502 2.84337 6 1.05415 3.45338 1.87605 2.71360 7 1.05089 3.64038 1.79998 2.58924 8 1.04227 3.82566 1.73047 2.47855 9 1.04015 3.98736 1.67723 2.39188 10 1.03886 4.14744 1.62926 2.31312 11 1.03262 4.30859 1.58328 2.22660 12 1.01912 4.44914 1.54786 2.15626 13 1.01842 4.53418 1.53337 2.11582 14 1.01830 4.61768 1.52002 2.07756 15 1.01849 4.70217 1.50694 2.04023 16 1.01847 4.78913 1.49376 2.00318 17 1.01833 4.87758 1.48059 1.96686 18 1.01850 4.96700 1.46790 1.93145 19 1.01614 5.05891 1.45245 1.89636 20 1.01607 5.14054 1.44042 1.86624 21 1.01611 5.22317 1.42850 1.83672 22 1.01604 5.30729 1.41673 1.80761 23 1.01625 5.39244 1.40525 1.77907 24 1.01608 5.48007 1.39341 1.75062 25 1.01610 5.56822 1.38189 1.72290 26 1.01611 5.65785 1.37010 1.69561 27 1.01611 5.74900 1.35814 1.66873 28 1.01612 5.84164 1.34639 1.64226 29 1.01471 5.93579 1.33483 1.61622 30 1.01466 6.02308 1.32488 1.59279 31 1.01219 6.11136 1.31509 1.56978 32 1.01213 6.18588 1.30848 1.55087 33 1.01149 6.26091 1.30200 1.53229 34 1.01144 6.33287 1.29646 1.51488 35 1.01146 6.40531 1.29095 1.49774 36 1.01141 6.47872 1.28443 1.48077 37 1.01031 6.55263 1.27795 1.46407 38 1.01020 6.62018 1.27245 1.44913 39 1.01040 6.68772 1.26706 1.43450 40 1.00954 6.75727 1.26141 1.41973 41 1.00952 6.82171 1.25696 1.40632 42 1.00957 6.88665 1.25256 1.39306 43 1.00955 6.95256 1.24801 1.37985 44 1.00953 7.01898 1.24359 1.36679 45 1.00958 7.08589 1.23917 1.35389 46 1.00949 7.15379 1.23465 1.34104 47 1.00961 7.22169 1.23030 1.32843 48 1.00778 7.29107 1.22584 1.31579 49 1.00772 7.34781 1.22356 1.30563 50 1.00766 7.40455 1.22145 1.29562 51 1.00774 7.46129 1.21931 1.28577 52 1.00781 7.51902 1.21717 1.27590 53 1.00768 7.57774 1.21491 1.26601 54 1.00769 7.63597 1.21282 1.25636 55 1.00743 7.69468 1.21068 1.24677 56 1.00724 7.75183 1.20889 1.23758 57 1.00732 7.80797 1.20721 1.22868 58 1.00739 7.86512 1.20558 1.21975 59 1.00714 7.92326 1.20371 1.21080 60 1.00716 7.97987 1.20221 1.20221 61 1.00711 8.03699 1.19367 1.19367 62 1.00712 8.09410 1.18525 1.18525 63 1.00719 8.15171 1.17687 1.17687 64 1.00714 8.21034 1.16847 1.16847 65 1.00635 8.26895 1.16018 1.16018 66 1.00631 8.32144 1.15287 1.15287 67 1.00596 8.37392 1.14564 1.14564 68 1.00593 8.42384 1.13885 1.13885 69 1.00589 8.47376 1.13214 1.13214 70 1.00597 8.52367 1.12551 1.12551 71 1.00599 8.57458 1.11883 1.11883 72 1.00590 8.62597 1.11217 1.11217 73 1.00598 8.67684 1.10564 1.10564 74 1.00594 8.72873 1.09907 1.09907 75 1.00591 8.78060 1.09258 1.09258 76 1.00593 8.83245 1.08617 1.08617 77 1.00595 8.88481 1.07976 1.07976 78 1.00591 8.93766 1.07338 1.07338 79 1.00599 8.99049 1.06707 1.06707 80 1.00589 9.04433 1.06072 1.06072 81 1.00597 9.09764 1.05451 1.05451 82 1.00593 9.15194 1.04825 1.04825 83 1.00595 9.20624 1.04207 1.04207 84 1.00591 9.26105 1.03590 1.03590 85 1.00593 9.31582 1.02981 1.02981 86 1.00584 9.37107 1.02374 1.02374 87 1.00597 9.42583 1.01779 1.01779 88 1.00582 9.48206 1.01175 1.01175 89 1.00589 9.53729 1.00589 1.00589 90 1.00000 9.59351 1.00000 1.00000 91 1.00000 9.59351 1.00000 1.00000 92 1.00000 9.59351 1.00000 1.00000 93 1.00000 9.59351 1.00000 1.00000 94 1.00000 9.59351 1.00000 1.00000 95 1.00000 9.59351 1.00000 1.00000 96 1.00000 9.59351 1.00000 1.00000 97 1.00000 9.59351 1.00000 1.00000 98 1.00000 9.59351 1.00000 1.00000 99 1.00000 9.59351 1.00000 1.00000 100 1.00000 9.59351 1.00000 1.00000