可退式倒扣捞筒
DLT-T型可退式倒扣捞筒是集各种捞筒，母锥等工具之优点为一体的打捞工具。是用来倒出并打捞井下钻杆、油管等管状落鱼的工具。既可用于打捞、倒扣，又可释放落鱼，还能进行洗井液循环。在打捞作业中，倒扣捞筒是倒扣器的重要配套工具之一。
DLT-T Releasable Left-hand Overshot
DLT-T Releasable Left-hand Overshot is a fishing tool which integrating various fishing pipes, box tap etc, and retrieves pipe-shaped fishes out of drill pipe, oil tube. When necessary, it can release the fish and circulate drilling fluid.
During operation, it is one of an important mating tools in reversing tools.
DLT-T Releasing Left-hand Overshot is complicated in structure but compact and it is a bit more difficult to produce.
Tensile load and reversing torque are bigger. In the light of its flexible motion, reliable performance,
it effects a high-efficiency success rate.
可退式倒扣捞筒规格参数
Specification of Releasable and reversing Overshot:
|
型号 type |
外径O.D. (mm) |
落鱼尺寸 catch size (mm) |
允许拉力allowable pulling (KN) |
起始拉力及相应扭矩 start pulling force and Torque |
螺纹(LH) thread conn. |
|
|
拉力(KN) Tensile Force |
扭矩 (N.m) Torque |
|
||||
|
DLT-T48 |
95 |
48.3 |
250 |
117.7 |
3089 |
2 7/8 REG |
|
DLT-T60 |
105 |
60.3，63.5 |
350 |
147.1 |
5737 |
NC31 |
|
DLT-T73 |
114 |
73，75，78.6 |
420 |
176.5 |
7750 |
NC31 |
|
DLT-T89 |
134 |
88.9，93.2 |
500 |
176.5 |
10233 |
NC38 |
|
DLT-T102 |
145 |
98，101.6 |
700 |
196 |
11032 |
NC38 |
|
DLT-T114 |
160 |
114.3 |
890 |
196 |
12151 |
NC38 |