一、用途
Y531型封隔器专用于酸化、压裂工艺。
二、 特点
1、压裂砂堵时可反洗井,保证封隔器安全解封;
2、可弹开式球座保证工具内通径,液体通过量大;
3、自封式皮碗设计提供坐封力,并有一定的防砂作用;
4、水力锚与封隔器一体设计,防止压裂过程中管柱上窜;
5、反洗阀设计在压裂砂堵时可反洗井。
三、性能参数
适用套管
(in)
|
最大外径
(mm)
|
最小通径
(mm)
|
总长
(mm)
|
温度等级
(℃)
|
压力等级
(MPa)
|
连接螺纹
(in)
|
5-1/2
|
110
|
42
|
1579
|
120-150
|
50-70
|
3-1/2 TBG B * 2-7/8 TBG P
|
5-1/2
|
115
|
48
|
1625
|
120-150
|
50-70
|
3-1/2 TBG B * 2-7/8 TBG P
|
5-3/4
|
120
|
52
|
1653
|
120-150
|
50-70
|
3-1/2 TBG B * 2-7/8 TBG P
|
6
|
135
|
60
|
1692
|
120-150
|
50-70
|
3-1/2 TBG B * 2-7/8 TBG P
|
6-5/8
|
140
|
60
|
1723
|
120-150
|
50-70
|
3-1/2 UPTBG B * 2-7/8 UPTBG P
|
6-5/8
|
144
|
62
|
1756
|
120-150
|
50-70
|
3-1/2 UPTBG B * 2-7/8 UPTBG P
|
7
|
148
|
70
|
1780
|
120-150
|
50-70
|
3-1/2 UPTBG B * 3-1/2 TBG P
|
7
|
152
|
70
|
1793
|
120-150
|
50-70
|
3-1/2 UPTBG B * 3-1/2 TBG P
|
7-5/8
|
165
|
76
|
1821
|
120-150
|
50-70
|
3-1/2 UPTBG B * 3-1/2 TBG P
|
8-5/8
|
185
|
76
|
1853
|
120-150
|
50-70
|
4 TBG B * 3-1/2 TBG P
|
9-5/8
|
210
|
80
|
1870
|
120-150
|
50-70
|
4 UPTBG B * 3-1/2 TBG P
|
9-5/8
|
215
|
80
|
1932
|
120-150
|
50-70
|
4 UPTBG B * 3-1/2 TBG P
|
|