Perforated Casing

Perforated Casing is manufactured by the most advanced equipment, 72 hole automatic drilling lathe. It is used to obtain production from sandy or caved oil-bearing formations. Each Perforated Casing made by Aokai is deburred and drift tested to conform to API standards, and each opening is clean cut and visually inspected and deburred.

Technical Data
Perforated Casing data

Pipe Size Holes per feet Size of hole Perforated Area per Feet
3/4" 78 3/16" 2.15
1" 54 5/16" 4.14
1-1/4" 66 5/16" 5.06
1-1/2" 78 5/16" 5.98
2-1/16" 78 5/16" 5.98
2-3/8" 90 3/8" 9.94
2-7/8" 102 3/8" 11.26
3-1/2" 126 3/8" 13.91
4" 138 3/8" 15.24
4-1/2" 150 3/8" 16.56
5" 162 3/8" 17.88
5-1/2" 174 3/8" 19.21
6-5/8" 186 3/8" 20.53
7" 222 3/8" 24.51
9-5/8" 294 3/8" 32.46

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