Table 10.  Growth factors from the NRG U.S. Lower 48 Fields 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	2.62760	1.89830	1.00000	1.00000	7.72740	7.57200	11.18960	11.73370
1	1.40569	1.37302	2.62760	1.89830	2.97096	4.07054	4.28292	6.19781
2	1.14268	1.15205	3.69360	2.60640	2.13518	3.02536	3.06433	4.52620
3	1.09937	1.09725	4.22060	3.00270	1.88774	2.67985	2.69708	3.93942
4	1.03315	1.07907	4.64000	3.29470	1.73470	2.47564	2.46737	3.59996
5	1.03315	1.07910	4.79380	3.55520	1.69625	2.32015	2.40194	3.34521
6	1.03317	1.06342	4.95270	3.83640	1.65865	2.17436	2.33820	3.10838
7	1.03314	1.04696	5.11700	4.07970	1.62185	2.06777	2.27612	2.93088
8	1.03316	1.04696	5.28660	4.27130	1.58590	1.99733	2.21573	2.80697
9	1.03316	1.04696	5.46190	4.47190	1.54942	1.92929	2.15694	2.68830
10	1.03316	1.03291	5.64300	4.68190	1.51276	1.86356	2.09970	2.57464
11	1.03316	1.03292	5.83010	4.83600	1.47697	1.82455	2.04398	2.49932
12	1.02789	1.03069	6.02340	4.99520	1.44203	1.78259	1.98974	2.42621
13	1.02684	1.03071	6.19140	5.14850	1.41511	1.74536	1.94685	2.36032
14	1.01996	1.03070	6.35760	5.30660	1.39012	1.70887	1.90684	2.29618
15	1.01423	1.02618	6.48450	5.46950	1.37479	1.67317	1.88025	2.23381
16	1.01425	1.02580	6.57680	5.61270	1.36731	1.64543	1.86451	2.18268
17	1.01424	1.02581	6.67050	5.75750	1.35984	1.61874	1.84886	2.12778
18	1.01425	1.02579	6.76550	5.90610	1.35242	1.59247	1.82290	2.07425
19	1.01092	1.02048	6.86190	6.05840	1.34504	1.56665	1.79729	2.02210
20	1.01091	1.02048	6.93680	6.18250	1.34210	1.54928	1.77788	1.98151
21	1.01092	1.02048	7.01250	6.30910	1.33918	1.53210	1.75869	1.94175
22	1.01092	1.02049	7.08910	6.43830	1.33623	1.51512	1.73968	1.90278
23	1.01091	1.02047	7.16650	6.57020	1.33331	1.49830	1.72090	1.86459
24	1.01092	1.02048	7.24470	6.70470	1.33042	1.48169	1.70232	1.82718
25	1.01092	1.02049	7.32380	6.84200	1.32418	1.46527	1.68393	1.79051
26	1.01091	1.02048	7.40380	6.98220	1.31738	1.44900	1.66574	1.75456
27	1.01093	1.02048	7.48460	7.12520	1.31064	1.43293	1.64776	1.71935
28	1.01092	1.02048	7.56640	7.27110	1.30391	1.41705	1.62994	1.68485
29	1.01025	1.02049	7.64900	7.42000	1.29723	1.40133	1.61234	1.65104
30	1.01024	1.02048	7.72740	7.57200	1.29143	1.38579	1.59598	1.61789
31	1.01025	1.02047	7.80650	7.72710	1.28569	1.37041	1.57981	1.58542
32	1.01026	1.02048	7.88650	7.88530	1.27995	1.35522	1.56379	1.55361
33	1.01024	1.01363	7.96740	8.04680	1.27423	1.34018	1.54791	1.52243
34	1.01025	1.01129	8.04900	8.15650	1.26854	1.33429	1.53222	1.50196
35	1.01024	1.01129	8.13150	8.24860	1.26288	1.32877	1.51667	1.48519
36	1.01025	1.01129	8.21480	8.34170	1.25726	1.32329	1.50129	1.46861
37	1.01024	1.01130	8.29900	8.43590	1.25163	1.31782	1.48606	1.45221
38	1.00940	1.01130	8.38400	8.53120	1.24605	1.30910	1.47099	1.43599
39	1.00871	1.01129	8.46280	8.62760	1.24154	1.30042	1.45730	1.41994
40	1.00872	1.01129	8.53650	8.72500	1.23788	1.29183	1.44471	1.40409
41	1.00871	1.00917	8.61090	8.82350	1.23423	1.28328	1.43223	1.38842
42	1.00870	1.00916	8.68590	8.90440	1.23059	1.27747	1.41986	1.37580
43	1.00871	1.00916	8.76150	8.98600	1.22698	1.27169	1.40761	1.36331
44	1.00871	1.00916	8.83780	9.06830	1.22337	1.26595	1.39546	1.35094
45	1.00872	1.00917	8.91480	9.15140	1.21976	1.26022	1.38341	1.33867
46	1.00871	1.00916	8.99250	9.23530	1.21616	1.25452	1.37145	1.32651
47	1.00871	1.00916	9.07080	9.31990	1.21258	1.24885	1.35962	1.31447
48	1.00871	1.00915	9.14980	9.40530	1.20901	1.24085	1.34788	1.30253
49	1.00871	1.00917	9.22950	9.49140	1.20545	1.23292	1.33624	1.29072
50	1.00871	1.00917	9.30990	9.57840	1.20190	1.22502	1.32470	1.27899
51	1.00870	1.00917	9.39100	9.66620	1.19836	1.21716	1.31326	1.26737
52	1.00871	1.00915	9.47270	9.75480	1.19484	1.20936	1.30193	1.25586
53	1.00872	1.00916	9.55520	9.84410	1.19132	1.20162	1.29069	1.24447
54	1.00617	1.00917	9.63850	9.93430	1.18780	1.19392	1.27954	1.23317
55	1.00573	1.00916	9.69800	10.02540	1.18730	1.18628	1.27168	1.22197
56	1.00574	1.00916	9.75360	10.11720	1.18729	1.17869	1.26444	1.21088
57	1.00574	1.00917	9.80960	10.20990	1.18730	1.17113	1.25722	1.19988
58	1.00574	1.00916	9.86590	10.30350	1.18729	1.16362	1.25004	1.18898
59	1.00573	1.00917	9.92250	10.39790	1.18730	1.15618	1.24291	1.17819
60	1.00574	1.00916	9.97940	10.49320	1.18731	1.14876	1.23583	1.16749
61	1.00574	1.00916	10.03670	10.58930	1.18730	1.14141	1.22877	1.15689
62	1.00575	1.00916	10.09430	10.68630	1.18730	1.13411	1.22176	1.14639
63	1.00573	1.00917	10.15230	10.78420	1.18729	1.12684	1.21478	1.13599
64	1.00574	1.00711	10.21050	10.88310	1.18730	1.11962	1.20785	1.12566
65	1.00575	1.00712	10.26910	10.96050	1.18730	1.11471	1.20096	1.11771
66	1.00573	1.00711	10.32810	11.03850	1.18729	1.10982	1.19410	1.10982
67	1.00574	1.00461	10.38730	11.11700	1.18730	1.10198	1.18730	1.10198
68	1.00574	1.00459	10.44690	11.16820	1.18052	1.09693	1.18052	1.09693
69	1.00574	1.00461	10.50690	11.21950	1.17378	1.09191	1.17378	1.09191
70	1.00573	1.00460	10.56720	11.27120	1.16708	1.08690	1.16708	1.08690
71	1.00574	1.00460	10.62780	11.32300	1.16043	1.08193	1.16043	1.08193
72	1.00574	1.00460	10.68880	11.37510	1.15381	1.07698	1.15381	1.07698
73	1.00574	1.00460	10.75020	11.42740	1.14722	1.07205	1.14722	1.07205
74	1.00573	1.00460	10.81190	11.48000	1.14067	1.06713	1.14067	1.06713
75	1.00574	1.00460	10.87390	11.53280	1.13417	1.06225	1.13417	1.06225
76	1.00574	1.00460	10.93630	11.58590	1.12769	1.05738	1.12769	1.05738
77	1.00574	1.00270	10.99910	11.63920	1.12126	1.05254	1.12126	1.05254
78	1.00574	1.00270	11.06220	11.67060	1.11486	1.04971	1.11486	1.04971
79	1.00574	1.00270	11.12570	11.70210	1.10850	1.04688	1.10850	1.04688
80	1.00574	1.00269	11.18960	11.73370	1.10217	1.04406	1.10217	1.04406
81	1.00574	1.00270	11.25380	11.76530	1.09588	1.04126	1.09588	1.04126
82	1.00573	1.00270	11.31840	11.79710	1.08962	1.03845	1.08962	1.03845
83	1.00574	1.00270	11.38330	11.82890	1.08341	1.03566	1.08341	1.03566
84	1.00575	1.00271	11.44860	11.86080	1.07723	1.03287	1.07723	1.03287
85	1.00573	1.00270	11.51440	11.89290	1.07108	1.03009	1.07108	1.03009
86	1.00574	1.00269	11.58040	11.92500	1.06497	1.02731	1.06497	1.02731
87	1.00574	1.00270	11.64690	11.95710	1.05889	1.02455	1.05889	1.02455
88	1.00575	1.00270	11.71370	11.98940	1.05285	1.02179	1.05285	1.02179
89	1.00574	1.00270	11.78100	12.02180	1.04684	1.01904	1.04684	1.01904
90	1.00574	1.00270	11.84860	12.05420	1.04087	1.01630	1.04087	1.01630
91	1.00574	1.00271	11.91660	12.08670	1.03493	1.01357	1.03493	1.01357
92	1.00573	1.00270	11.98500	12.11940	1.02902	1.01083	1.02902	1.01083
93	1.00574	1.00270	12.05370	12.15210	1.02315	1.00811	1.02315	1.00811
94	1.00574	1.00270	12.12290	12.18490	1.01731	1.00540	1.01731	1.00540
95	1.00574	1.00269	12.19250	12.21780	1.01151	1.00269	1.01151	1.00269
96	1.00573	1.00000	12.26250	12.25070	1.00573	1.00000	1.00573	1.00000
97	1.00000	1.00000	12.33280	12.25070	1.00000	1.00000	1.00000	1.00000
98	1.00000	1.00000	12.33280	12.25070	1.00000	1.00000	1.00000	1.00000
99	1.00000	1.00000	12.33280	12.25070	1.00000	1.00000	1.00000	1.00000
100	1.00000	1.00000	12.33280	12.25070	1.00000	1.00000	1.00000	1.00000