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"	54	36	12.96	8.64	7.64	5.10
6 5/8"	80	54	19.20	12.96	7.69	5.19
8 5/8"	104	70	24.96	16.80	7.68	5.17
10 3/4"	128	86	30.72	20.64	7.58	5.09
12 3/4"	154	104	36.96	24.96	7.69	5.19
14"	168	114	40.32	27.36	7.64	5.19
16"	192	130	44.64	30.24	7.40	5.02
OTHER PIPE SIZES AND NUMBER OF SLOTS AVAILABLE