"Table 13. Growth factors from the U.S. Lower 48 Monotone - 1991 model (Root and others, 1997)." "Multipliers, for Forecasts" Years Since Discovery Annual Oil Factors Annual Gas Factors Cumulative Oil Factors Cumulative Gas Factors 30-Year Oil 30-Year Gas 80-Year Oil 80-Year Gas 0 1.99600 1.82100 1.00000 1.00000 6.11200 5.92100 9.30100 8.77300 1 1.29659 1.29599 1.99600 1.82100 3.10120 3.30533 4.69138 4.84185 2 1.14683 1.14703 2.58800 2.36000 2.42272 2.57966 3.64297 3.75508 3 1.07682 1.09863 2.96800 2.70700 2.13949 2.27484 3.19811 3.29036 4 1.04944 1.07364 3.19600 2.97400 2.01220 2.09180 2.98999 3.01042 5 1.04919 1.05888 3.35400 3.19300 1.94186 1.96806 2.86852 2.81804 6 1.04945 1.05886 3.51900 3.38100 1.87468 1.87726 2.75277 2.67465 7 1.04955 1.05223 3.69300 3.58000 1.80910 1.79078 2.64067 2.53855 8 1.04180 1.04274 3.87600 3.76700 1.74174 1.71914 2.53328 2.42474 9 1.04185 1.03844 4.03800 3.92800 1.68920 1.66522 2.44799 2.33681 10 1.03922 1.03849 4.20700 4.07900 1.63846 1.62000 2.36558 2.26158 11 1.02676 1.03848 4.37200 4.23600 1.59309 1.57342 2.27630 2.17776 12 1.02027 1.01796 4.48900 4.39900 1.56761 1.52830 2.21697 2.09707 13 1.02031 1.01653 4.58000 4.47800 1.55262 1.51429 2.17293 2.06007 14 1.02012 1.01648 4.67300 4.55200 1.53756 1.50264 2.12968 2.02658 15 1.02035 1.01664 4.76700 4.62700 1.52297 1.49103 2.08769 1.99373 16 1.02035 1.01658 4.86400 4.70400 1.50822 1.47938 2.04605 1.96110 17 1.02015 1.01652 4.96300 4.78200 1.49345 1.46780 2.00524 1.92911 18 1.02034 1.01666 5.06300 4.86100 1.47936 1.45649 1.96563 1.89776 19 1.01568 1.01659 5.16600 4.94200 1.45974 1.44516 1.92644 1.86665 20 1.01563 1.01652 5.24700 5.02400 1.44692 1.43392 1.89670 1.83619 21 1.01576 1.01645 5.32900 5.10700 1.43423 1.42275 1.86752 1.80634 22 1.01552 1.01657 5.41300 5.19100 1.42158 1.41187 1.83854 1.77711 23 1.01583 1.01668 5.49700 5.27700 1.40950 1.40099 1.81044 1.74815 24 1.01558 1.01659 5.58400 5.36500 1.39685 1.38993 1.78223 1.71948 25 1.01569 1.01650 5.67100 5.45400 1.38476 1.37899 1.75489 1.69142 26 1.01563 1.01659 5.76000 5.54400 1.37274 1.36742 1.72778 1.66396 27 1.01573 1.01650 5.85000 5.63600 1.36068 1.35557 1.70120 1.63680 28 1.01565 1.01658 5.94200 5.72900 1.34870 1.34404 1.67486 1.61023 29 1.01276 1.01666 6.03500 5.82400 1.33703 1.33259 1.64905 1.58396 30 1.01276 1.01655 6.11200 5.92100 1.32919 1.32055 1.62827 1.55801 31 1.01292 1.01146 6.19000 6.01900 1.32132 1.30886 1.60775 1.53265 32 1.01276 1.01150 6.27000 6.08800 1.31324 1.30371 1.58724 1.51528 33 1.01276 1.01023 6.35000 6.15800 1.30551 1.29847 1.56724 1.49805 34 1.01275 1.01013 6.43100 6.22100 1.29778 1.29513 1.54750 1.48288 35 1.01290 1.01003 6.51300 6.28400 1.29019 1.29169 1.52802 1.46801 36 1.01273 1.01008 6.59700 6.34700 1.28240 1.28643 1.50856 1.45344 37 1.01048 1.01014 6.68100 6.41100 1.27496 1.28092 1.48960 1.43893 38 1.01037 1.01004 6.75100 6.47600 1.27033 1.27455 1.47415 1.42449 39 1.01056 1.01024 6.82100 6.54100 1.26580 1.26831 1.45902 1.41033 40 1.01045 1.00863 6.89300 6.60800 1.26099 1.26180 1.44378 1.39604 41 1.01034 1.00870 6.96500 6.66500 1.25642 1.25746 1.42886 1.38410 42 1.01052 1.00863 7.03700 6.72300 1.25210 1.25301 1.41424 1.37216 43 1.01041 1.00870 7.11100 6.78100 1.24750 1.24849 1.39952 1.36042 44 1.01044 1.00863 7.18500 6.84000 1.24301 1.24415 1.38511 1.34868 45 1.01047 1.00870 7.26000 6.89900 1.23857 1.23974 1.37080 1.33715 46 1.01036 1.00862 7.33600 6.95900 1.23405 1.23523 1.35660 1.32562 47 1.01052 1.00869 7.41200 7.01900 1.22963 1.23094 1.34269 1.31429 48 1.00681 1.00876 7.49000 7.08000 1.22510 1.22655 1.32870 1.30297 49 1.00676 1.00868 7.54100 7.14200 1.22504 1.22207 1.31972 1.29165 50 1.00672 1.00861 7.59200 7.20400 1.22511 1.21780 1.31085 1.28054 51 1.00680 1.00867 7.64300 7.26600 1.22517 1.21346 1.30211 1.26961 52 1.00689 1.00873 7.69500 7.32900 1.22521 1.20917 1.29331 1.25870 53 1.00671 1.00866 7.74800 7.39300 1.22509 1.20479 1.28446 1.24780 54 1.00679 1.00858 7.80000 7.45700 1.22513 1.20062 1.27590 1.23709 55 1.00688 1.00798 7.85300 7.52100 1.22514 1.19638 1.26729 1.22657 56 1.00670 1.00778 7.90700 7.58100 1.22512 1.19285 1.25863 1.21686 57 1.00678 1.00785 7.96000 7.64000 1.22513 1.18953 1.25025 1.20746 58 1.00686 1.00792 8.01400 7.70000 1.22523 1.18623 1.24183 1.19805 59 1.00682 1.00747 8.06900 7.76100 1.22506 1.18271 1.23336 1.18864 60 1.00677 1.00755 8.12400 7.81900 1.22501 1.17982 1.22501 1.17982 61 1.00672 1.00749 8.17900 7.87800 1.21677 1.17098 1.21677 1.17098 62 1.00680 1.00743 8.23400 7.93700 1.20865 1.16228 1.20865 1.16228 63 1.00676 1.00763 8.29000 7.99600 1.20048 1.15370 1.20048 1.15370 64 1.00683 1.00745 8.34600 8.05700 1.19243 1.14497 1.19243 1.14497 65 1.00678 1.00591 8.40300 8.11700 1.18434 1.13650 1.18434 1.13650 66 1.00686 1.00576 8.46000 8.16500 1.17636 1.12982 1.17636 1.12982 67 1.00681 1.00511 8.51800 8.21200 1.16835 1.12336 1.16835 1.12336 68 1.00676 1.00509 8.57600 8.25400 1.16045 1.11764 1.16045 1.11764 69 1.00672 1.00506 8.63400 8.29600 1.15265 1.11198 1.15265 1.11198 70 1.00679 1.00516 8.69200 8.33800 1.14496 1.10638 1.14496 1.10638 71 1.00686 1.00513 8.75100 8.38100 1.13724 1.10070 1.13724 1.10070 72 1.00681 1.00499 8.81100 8.42400 1.12950 1.09509 1.12950 1.09509 73 1.00676 1.00520 8.87100 8.46600 1.12186 1.08965 1.12186 1.08965 74 1.00683 1.00505 8.93100 8.51000 1.11432 1.08402 1.11432 1.08402 75 1.00678 1.00503 8.99200 8.55300 1.10676 1.07857 1.10676 1.07857 76 1.00674 1.00512 9.05300 8.59600 1.09930 1.07317 1.09930 1.07317 77 1.00680 1.00509 9.11400 8.64000 1.09195 1.06771 1.09195 1.06771 78 1.00676 1.00507 9.17600 8.68400 1.08457 1.06230 1.08457 1.06230 79 1.00682 1.00516 9.23800 8.72800 1.07729 1.05694 1.07729 1.05694 80 1.00677 1.00502 9.30100 8.77300 1.06999 1.05152 1.06999 1.05152 81 1.00683 1.00510 9.36400 8.81700 1.06279 1.04627 1.06279 1.04627 82 1.00679 1.00508 9.42800 8.86200 1.05558 1.04096 1.05558 1.04096 83 1.00674 1.00516 9.49200 8.90700 1.04846 1.03570 1.04846 1.03570 84 1.00680 1.00503 9.55600 8.95300 1.04144 1.03038 1.04144 1.03038 85 1.00686 1.00500 9.62100 8.99800 1.03440 1.02523 1.03440 1.02523 86 1.00671 1.00498 9.68700 9.04300 1.02736 1.02013 1.02736 1.02013 87 1.00687 1.00506 9.75200 9.08800 1.02051 1.01507 1.02051 1.01507 88 1.00672 1.00493 9.81900 9.13400 1.01355 1.00996 1.01355 1.00996 89 1.00678 1.00501 9.88500 9.17900 1.00678 1.00501 1.00678 1.00501 90 1.00000 1.00000 9.95200 9.22500 1.00000 1.00000 1.00000 1.00000 91 1.00000 1.00000 9.95200 9.22500 1.00000 1.00000 1.00000 1.00000 92 1.00000 1.00000 9.95200 9.22500 1.00000 1.00000 1.00000 1.00000 93 1.00000 1.00000 9.95200 9.22500 1.00000 1.00000 1.00000 1.00000 94 1.00000 1.00000 9.95200 9.22500 1.00000 1.00000 1.00000 1.00000 95 1.00000 1.00000 9.95200 9.22500 1.00000 1.00000 1.00000 1.00000 96 1.00000 1.00000 9.95200 9.22500 1.00000 1.00000 1.00000 1.00000 97 1.00000 1.00000 9.95200 9.22500 1.00000 1.00000 1.00000 1.00000 98 1.00000 1.00000 9.95200 9.22500 1.00000 1.00000 1.00000 1.00000 99 1.00000 1.00000 9.95200 9.22500 1.00000 1.00000 1.00000 1.00000 100 1.00000 1.00000 9.95200 9.22500 1.00000 1.00000 1.00000 1.00000