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.
钻孔筛管技术规格表： http://www.hbdinuo.com
|
套管尺寸
|
每英尺孔数
|
孔径
|
每英尺开孔面积
|
|
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
|
