Table 11. Growth factors from the NRG U.S. Lower 48 Reservoirs Monotone - 1998 model "(E.D. Attanasi, written commun., 2001)." "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 2.44190 2.10820 1.00000 1.00000 6.21380 7.41890 8.87940 9.97810 1 1.29186 1.35224 2.44190 2.10820 2.56808 3.57926 3.65682 4.73299 2 1.14839 1.15648 3.15460 2.85080 2.00618 2.69223 2.84670 3.50011 3 1.08314 1.10677 3.62270 3.29690 1.76305 2.36780 2.49289 3.02651 4 1.02969 1.06243 3.92390 3.64890 1.64268 2.16553 2.31456 2.73455 5 1.02970 1.06242 4.04040 3.87670 1.61001 2.06320 2.26054 2.57386 6 1.02706 1.04421 4.16040 4.11870 1.57716 1.96569 2.20777 2.42263 7 1.02705 1.03348 4.27300 4.30080 1.54894 1.89386 2.16176 2.32006 8 1.02705 1.03348 4.38860 4.44480 1.52124 1.84362 2.11673 2.24489 9 1.02707 1.03348 4.50730 4.59360 1.49404 1.79469 2.07266 2.17217 10 1.02707 1.03065 4.62930 4.74740 1.46731 1.74706 2.02946 2.10180 11 1.02705 1.02865 4.75460 4.89290 1.44107 1.70537 1.98717 2.03930 12 1.02705 1.02865 4.88320 5.03310 1.41530 1.66790 1.94577 1.98250 13 1.02706 1.02864 5.01530 5.17730 1.39001 1.63126 1.90525 1.92728 14 1.02190 1.02864 5.15100 5.32560 1.36515 1.59543 1.86556 1.87361 15 1.01197 1.02864 5.26380 5.47810 1.34751 1.56041 1.83592 1.82145 16 1.01198 1.02866 5.32680 5.63500 1.34313 1.52614 1.82447 1.77074 17 1.01197 1.02864 5.39060 5.79650 1.33877 1.49055 1.81308 1.72140 18 1.01195 1.02865 5.45510 5.96250 1.33444 1.45585 1.79164 1.67348 19 1.01098 1.01758 5.52030 6.13330 1.33013 1.42193 1.77048 1.62687 20 1.01098 1.01758 5.58090 6.24110 1.32712 1.40390 1.75126 1.59877 21 1.01097 1.01757 5.64220 6.35080 1.32411 1.38611 1.73223 1.57116 22 1.01099 1.01756 5.70410 6.46240 1.32112 1.36855 1.71343 1.54402 23 1.01098 1.01758 5.76680 6.57590 1.31811 1.35121 1.69480 1.51737 24 1.01098 1.01757 5.83010 6.69150 1.31514 1.33408 1.67640 1.49116 25 1.01098 1.01758 5.89410 6.80910 1.30822 1.31718 1.65820 1.46541 26 1.01098 1.01758 5.95880 6.92880 1.30134 1.30048 1.64020 1.44009 27 1.01097 1.01710 6.02420 7.05060 1.29450 1.28399 1.62239 1.41521 28 1.01098 1.01712 6.09030 7.17120 1.28770 1.26831 1.60478 1.39141 29 1.00919 1.01712 6.15720 7.29400 1.28091 1.25278 1.58734 1.36799 30 1.00921 1.01710 6.21380 7.41890 1.27643 1.23746 1.57289 1.34496 31 1.00920 1.01712 6.27100 7.54580 1.27195 1.22234 1.55854 1.32234 32 1.00921 1.01712 6.32870 7.67500 1.26748 1.20739 1.54433 1.30008 33 1.00919 1.01222 6.38700 7.80640 1.26302 1.19261 1.53023 1.27819 34 1.00922 1.01223 6.44570 7.90180 1.25861 1.18373 1.51630 1.26276 35 1.00869 1.01221 6.50510 7.99840 1.25417 1.17491 1.50245 1.24751 36 1.00869 1.00605 6.56160 8.09610 1.25041 1.16615 1.48951 1.23246 37 1.00869 1.00606 6.61860 8.14510 1.24665 1.16457 1.47669 1.22504 38 1.00869 1.00605 6.67610 8.19450 1.24293 1.16296 1.46397 1.21766 39 1.00869 1.00605 6.73410 8.24410 1.23919 1.16138 1.45136 1.21033 40 1.00870 1.00605 6.79260 8.29400 1.23548 1.15979 1.43886 1.20305 41 1.00868 1.00605 6.85170 8.34420 1.23175 1.15821 1.42645 1.19581 42 1.00870 1.00605 6.91120 8.39470 1.22805 1.15662 1.41417 1.18862 43 1.00869 1.00605 6.97130 8.44550 1.22436 1.15504 1.40198 1.18147 44 1.00869 1.00606 7.03190 8.49660 1.22068 1.15347 1.38989 1.17436 45 1.00868 1.00605 7.09300 8.54810 1.21702 1.15188 1.37792 1.16729 46 1.00869 1.00467 7.15460 8.59980 1.21336 1.15032 1.36606 1.16027 47 1.00869 1.00469 7.21680 8.64000 1.20972 1.15032 1.35428 1.15487 48 1.00868 1.00468 7.27950 8.68050 1.20609 1.14948 1.34262 1.14948 49 1.00869 1.00468 7.34270 8.72110 1.20247 1.14413 1.33106 1.14413 50 1.00870 1.00468 7.40650 8.76190 1.19887 1.13881 1.31960 1.13881 51 1.00869 1.00468 7.47090 8.80290 1.19525 1.13350 1.30822 1.13350 52 1.00869 1.00467 7.53580 8.84410 1.19167 1.12822 1.29696 1.12822 53 1.00870 1.00468 7.60130 8.88540 1.18809 1.12298 1.28578 1.12298 54 1.00566 1.00468 7.66740 8.92700 1.18451 1.11774 1.27470 1.11774 55 1.00565 1.00468 7.71080 8.96880 1.18451 1.11253 1.26752 1.11253 56 1.00566 1.00467 7.75440 9.01080 1.18451 1.10735 1.26039 1.10735 57 1.00567 1.00468 7.79830 9.05290 1.18451 1.10220 1.25330 1.10220 58 1.00565 1.00467 7.84250 9.09530 1.18451 1.09706 1.24624 1.09706 59 1.00567 1.00468 7.88680 9.13780 1.18452 1.09196 1.23924 1.09196 60 1.00566 1.00467 7.93150 9.18060 1.18452 1.08687 1.23225 1.08687 61 1.00565 1.00468 7.97640 9.22350 1.18452 1.08181 1.22531 1.08181 62 1.00566 1.00467 8.02150 9.26670 1.18452 1.07677 1.21843 1.07677 63 1.00567 1.00468 8.06690 9.31000 1.18452 1.07176 1.21157 1.07176 64 1.00566 1.00468 8.11260 9.35360 1.18452 1.06677 1.20474 1.06677 65 1.00566 1.00467 8.15850 9.39740 1.18452 1.06179 1.19797 1.06179 66 1.00566 1.00468 8.20470 9.44130 1.18452 1.05686 1.19122 1.05686 67 1.00567 1.00468 8.25110 9.48550 1.18452 1.05193 1.18452 1.05193 68 1.00565 1.00468 8.29790 9.52990 1.17784 1.04703 1.17784 1.04703 69 1.00567 1.00468 8.34480 9.57450 1.17122 1.04215 1.17122 1.04215 70 1.00566 1.00468 8.39210 9.61930 1.16462 1.03730 1.16462 1.03730 71 1.00565 1.00468 8.43960 9.66430 1.15806 1.03247 1.15806 1.03247 72 1.00567 1.00468 8.48730 9.70950 1.15156 1.02766 1.15156 1.02766 73 1.00566 1.00468 8.53540 9.75490 1.14507 1.02288 1.14507 1.02288 74 1.00566 1.00467 8.58370 9.80060 1.13862 1.01811 1.13862 1.01811 75 1.00565 1.00468 8.63230 9.84640 1.13221 1.01338 1.13221 1.01338 76 1.00567 1.00468 8.68110 9.89250 1.12585 1.00865 1.12585 1.00865 77 1.00566 1.00395 8.73030 9.93880 1.11950 1.00395 1.11950 1.00395 78 1.00566 1.00000 8.77970 9.97810 1.11320 1.00000 1.11320 1.00000 79 1.00566 1.00000 8.82940 9.97810 1.10694 1.00000 1.10694 1.00000 80 1.00565 1.00000 8.87940 9.97810 1.10071 1.00000 1.10071 1.00000 81 1.00567 1.00000 8.92960 9.97810 1.09452 1.00000 1.09452 1.00000 82 1.00566 1.00000 8.98020 9.97810 1.08835 1.00000 1.08835 1.00000 83 1.00566 1.00000 9.03100 9.97810 1.08223 1.00000 1.08223 1.00000 84 1.00566 1.00000 9.08210 9.97810 1.07614 1.00000 1.07614 1.00000 85 1.00566 1.00000 9.13350 9.97810 1.07008 1.00000 1.07008 1.00000 86 1.00566 1.00000 9.18520 9.97810 1.06406 1.00000 1.06406 1.00000 87 1.00566 1.00000 9.23720 9.97810 1.05807 1.00000 1.05807 1.00000 88 1.00566 1.00000 9.28950 9.97810 1.05211 1.00000 1.05211 1.00000 89 1.00566 1.00000 9.34210 9.97810 1.04619 1.00000 1.04619 1.00000 90 1.00566 1.00000 9.39500 9.97810 1.04030 1.00000 1.04030 1.00000 91 1.00565 1.00000 9.44820 9.97810 1.03444 1.00000 1.03444 1.00000 92 1.00566 1.00000 9.50160 9.97810 1.02863 1.00000 1.02863 1.00000 93 1.00566 1.00000 9.55540 9.97810 1.02284 1.00000 1.02284 1.00000 94 1.00566 1.00000 9.60950 9.97810 1.01708 1.00000 1.01708 1.00000 95 1.00566 1.00000 9.66390 9.97810 1.01135 1.00000 1.01135 1.00000 96 1.00566 1.00000 9.71860 9.97810 1.00566 1.00000 1.00566 1.00000 97 1.00000 1.00000 9.77360 9.97810 1.00000 1.00000 1.00000 1.00000 98 1.00000 1.00000 9.77360 9.97810 1.00000 1.00000 1.00000 1.00000 99 1.00000 1.00000 9.77360 9.97810 1.00000 1.00000 1.00000 1.00000 100 1.00000 1.00000 9.77360 9.97810 1.00000 1.00000 1.00000 1.00000