一、用途：
專用于酸化、壓裂工藝。
二、特點(diǎn)：
1、壓裂砂堵時(shí)可反洗井，保證封隔器安全解封;
2、可彈開式球座保證工具內(nèi)通徑，液體通過量大;
3、自封式皮碗設(shè)計(jì)提供坐封力，并有一定的防砂作用;
4、水力錨與封隔器一體設(shè)計(jì)，防止壓裂過程中管柱上竄;
5、反洗閥設(shè)計(jì)在壓裂砂堵時(shí)可反洗井。
三、技術(shù)參數(shù)
：
| 適用套管 (in) |
最大外徑 (mm) |
最小通徑 (mm) |
總長 (mm) |
溫度等級(jí) (℃) |
壓力等級(jí) (MPa) |
連接螺紋 (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 |
