PERFORATED CASING SPECIFICATIONS
			SQUARE INCHES OF
PIPE SIZE	SLOTS/FT.		OPENING /FT.		PERCENT OPENING
	0.440	0.688	0.440	0.688	0.440	0.688
4 1/2"	44	32	24.82	18.05	14.64	10.64
6 5/8"	66	46	37.22	25.94	14.91	10.39
8 5/8"	86	60	48.50	33.84	14.93	10.41
10 3/4"	106	76	59.78	42.86	14.76	10.58
12 3/4"	126	90	71.06	50.76	14.79	10.56
14"	140	100	78.96	56.40	14.97	10.69
16"	160	114	90.24	64.30	14.97	10.66
OTHER PIPE SIZES AND NUMBER OF SLOTS AVAILABLE