Date	Geol	Regno	Reg	Provno	Prov	TPSno	TPS	AUno	AU	Data	Comm	RminMMBBCF	Numtest1	Numtest2	AUM	Med1MMBBCF	Med2MMBBCF	Med3MMBBCF	Prob1 %	Prob2 %	Prob3 %	Geoprob %	Prob4 %	TAAmin a	TAAmed a	TAAmax a	CAmin a	CAmed a	CAmax a	TAAUmin %	TAAUmed %	TAAUmax %	UAAPmin %	UAAPmed %	UAAPmax %	RminMMBBCF	RmedMMBBCF	RmaxMMBBCF	GminCF/B	GmedCF/B	GmaxCF/B	NminB/MMCF	NmedB/MMCF	NmaxB/MMCF	LminB/MMCF	LmedB/MMCF	LmaxB/MMCF	APImin deg	APImed deg	APImax deg	Smin %	Smed %	Smax %	ODmin m	ODmed m	ODmax m	OWDmin m	OWDmed m	OWDmax m	IGmin %	IGmed %	IGmax %	CO2min %	CO2med %	CO2max %	H2Smin %	H2Smed %	H2Smax %	GDmin m	GDmed m	GDmax m	GWDmin m	GWDmed m	GWDmax m	TAAUPmin %	TAAUPmed %	TAAUPmax %	FSRmean%	FSRmin %	FSRmed %	FSRmax %	HSR %
4/18/01	D.K. Higley	5	North America	5039	Denver Basin	503902	Upper Cretaceous Fractured Niobrara	50390261	Fractured Niobrara Limestone (Silo Field Area)	"PI Production data, second quarter 2000"	Oil	0.002	250	188	Established	0.026	0.015	0.11	1	1	1	1	1	600000	650000	700000	10	101	320	90	95	98	2	4	8	0.002	0.022	0.4	600	1030	1400	50	100	150				20	35	45	0.02	0.1	0.5	1000	2300	3000																										
4/12/01	D.K. Higley	5	North America	5039	Denver Basin	503903	Upper Cretaceous Pierre Shale	50390361	Fractured Pierre Shale	"PI Production Data, Second Quarter 2000"	Not quantitatively assessed.																																																																							
4/16/01	D.K. Higley	5	North America	5039	Denver Basin	503906	Cretaceous Composite	50390661	Niobrara-Codell (Wattenberg Area)	"PI Production data, second quarter 2000"	Oil	0.003	7000	6500	Established	0.014	0.011	0.011	1	1	1	1	1	1600000	1800000	2000000	10	35	85	75	85	92	2	7	15	0.003	0.008	0.1	7000	10000	13000	50	100	150				25	45	55	0.02	0.1	0.5	800	2000	2500																										
4/12/01	D.K. Higley	5	North America	5039	Denver Basin	503906	Cretaceous Composite	50390662	Dakota Group Basin-Center Gas	"PI Production Data, First Quarter 1999"	Gas	0.02	2673	2566	Established	0.31	0.3	0.22	1	1	1	1	1	1200000	1400000	1600000	10	80	240	73	83	90	20	30	45	0.02	0.2	2.5							5	10	15																	2.6					2000	2500	3100											
4/18/01	D.K. Higley	5	North America	5039	Denver Basin	503907	Upper Cretaceous Niobrara Biogenic Gas	50390761	Niobrara Chalk	"PI Production data, second quarter 2000"	Gas	0.025	3000	1420	Established	0.31	0.27	0.18	1	1	1	1	1	36000000	42000000	48000000	35	145	400	98	99	99.5	0.2	1.3	3.9	0.025	0.2	2							0	0	0													3	4	5	0	0.4	0.8	0	0	0	240	500	1300