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"	50	34	18.00	12.75	11.06	7.52
6 5/8"	72	50	27.00	18.75	10.82	7.51
8 5/8"	94	66	35.25	24.75	10.85	7.62
10 3/4"	118	82	44.25	30.75	10.92	7.59
12 3/4"	140	98	52.50	36.75	10.93	7.65
14"	154	108	57.75	40.50	10.95	7.68
16"	176	122	66.00	45.75	10.95	7.59
OTHER PIPE SIZES AND NUMBER OF SLOTS AVAILABLE