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"	46	32	20.70	14.40	12.21	8.49
6 5/8"	70	48	31.50	21.60	12.62	8.65
8 5/8"	90	64	40.50	28.80	12.46	8.86
10 3/4"	114	80	51.30	36.00	12.66	8.89
12 3/4"	134	94	60.30	42.30	12.55	8.80
14"	148	104	66.60	46.80	12.63	8.87
16"	170	118	76.50	53.10	12.69	8.81
OTHER PIPE SIZES AND NUMBER OF SLOTS AVAILABLE