Table 1a -- Kansas Oil Production from January through May 1999
	Producing Leases			Producing Wells			Oil Production
BOPD/Well	Number	% of Total	Cum %	Number	% of Total	Cum %	Barrels	% of Total	Cum %
< 5	10118	79.5%	79.5%	33104	88.4%	88.4%	6,259,179	46.1%	46.1%
5.01-10	1723	13.5%	93.0%	3236	8.6%	97.0%	2,968,203	21.8%	67.9%
10.01-15	388	3.0%	96.1%	545	1.5%	98.5%	932,147	6.9%	74.8%
15.01-20	159	1.2%	97.3%	194	0.5%	99.0%	485,937	3.6%	78.3%
20.01-30	140	1.1%	98.4%	159	0.4%	99.4%	564,519	4.2%	82.5%
30.01-40	77	0.6%	99.0%	95	0.3%	99.7%	488,941	3.6%	86.1%
40.01-50	40	0.3%	99.4%	45	0.1%	99.8%	299,419	2.2%	88.3%
50.01-75	43	0.3%	99.7%	45	0.1%	99.9%	393,475	2.9%	91.2%
75.01-100	16	0.1%	99.8%	16	0.0%	99.9%	200,742	1.5%	92.7%
100.01	23	0.2%	100.0%	23	0.1%	100.0%	998,334	7.3%	100.0%
Totals	12,727	100.0%		37,462	100.0%		13,590,896	100.0%

Data Source: Kansas Department of Revenue

Table 1b -- Kansas Oil Production from January through May 1998
	Producing Leases			Producing Wells			Oil Production
BOPD/Well	Number	% of Total	Cum %	Number	% of Total	Cum %	Barrels	% of Total	Cum %
< 5	11492	82.1%	82.1%	37568	90.5%	90.5%	7,360,477	48.7%	48.7%
5.01-10	1510	10.8%	92.9%	2709	6.5%	97.0%	2,691,637	17.8%	66.5%
10.01-15	398	2.8%	95.7%	552	1.3%	98.3%	1,007,429	6.7%	73.2%
15.01-20	174	1.2%	97.0%	210	0.5%	98.8%	546,492	3.6%	76.8%
20.01-30	189	1.4%	98.3%	227	0.5%	99.4%	835,882	5.5%	82.3%
30.01-40	91	0.7%	99.0%	98	0.2%	99.6%	510,911	3.4%	85.7%
40.01-50	37	0.3%	99.2%	41	0.1%	99.7%	274,388	1.8%	87.5%
50.01-75	52	0.4%	99.6%	60	0.1%	99.9%	537,119	3.6%	91.1%
75.01-100	23	0.2%	99.8%	23	0.1%	99.9%	298,173	2.0%	93.0%
100.01	32	0.2%	100.0%	32	0.1%	100.0%	1,054,766	7.0%	100.0%
Totals	13,998	100.0%		41,520	100.0%		15,117,274	100.0%

Data Source: Kansas Department of Revenue

Table 1c -- Kansas Oil Production from January through May 1997
	Producing Leases			Producing Wells			Oil Production
BOPD/Well	Number	% of Total	Cum %	Number	% of Total	Cum %	Barrels	% of Total	Cum %
< 5	10774	75.7%	75.7%	26866	84.8%	84.8%	6,526,169	39.2%	39.2%
5.01-10	2001	14.1%	89.7%	3052	9.6%	94.4%	3,105,384	18.6%	57.8%
10.01-15	565	4.0%	93.7%	735	2.3%	96.7%	1,345,447	8.1%	65.9%
15.01-20	305	2.1%	95.9%	371	1.2%	97.9%	964,759	5.8%	71.7%
20.01-30	248	1.7%	97.6%	310	1.0%	98.9%	1,121,575	6.7%	78.4%
30.01-40	116	0.8%	98.4%	125	0.4%	99.3%	634,003	3.8%	82.2%
40.01-50	38	0.3%	98.7%	74	0.2%	99.5%	496,082	3.0%	85.2%
50.01-75	98	0.7%	99.4%	70	0.2%	99.7%	647,921	3.9%	89.1%
75.01-100	41	0.3%	99.7%	39	0.1%	99.8%	517,047	3.1%	92.2%
100.01	48	0.3%	100.0%	49	0.2%	100.0%	1,301,898	7.8%	100.0%
Totals	14,234	100.0%		31,691	100.0%		16,660,285	100.0%

From Carr and Gerlach (1997)