钻孔筛管的特点
1.钻孔管采用J55或N80石油套管本体加工,强度高,不易变形。
2.钻孔均匀光滑、无毛刺。
3.整体进行防腐处理,在筛管的各表面形成致密的防护层,提高了筛管的抗腐蚀性及耐磨性,可有效延长其井下工作的寿命。
4.操作简单,使用方便,内通径大,易于进行管串配置。
5.钻孔类型可由客户随意选择。
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 |