反循环一把抓
反循环一把抓是一种结构简单、实用的打捞工具,专门用于打捞井底不规则的小件落物,如钢球、凡尔座、螺栓、螺母、刮蜡片、钳牙、扳手、胶皮等。
Reverse Circulation Hydraulic Catchall
Reverse Circulation Hydraulic Catchall utilizes the reverse circulation formed by local drilling fluid near the
well bottom to make the catchall deformed to fish the cone, bearing and other litters at the bottom of the
well by means of pressure after flushing the debris up at the bottom of the wall.
反循环一把抓技术参数Specification of Reverse Circulation Hydraulic Catchall
规 格 型 号 Type |
齿 数 (个) Teeth |
套 管 尺 寸(in) Size of Fish |
配 接 扣 型 Thread (API) |
BZ95 |
6 |
4 1/2″ |
NC26 |
BZ108 |
6-8 |
5″ |
NC31 |
BZ114 |
6-8 |
5 1/2″ |
NC31 |
BZ140 |
8-10 |
6 5/8″ |
NC38 |
BZ152 |
8-10 |
7″ |
NC38 |
BZ168 |
10-12 |
7 5/8″ |
NC50 |
BZ219 |
10-16 |
9 5/8″ |
NC50 |