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Releasing and Reversing Overshots
Type DLT-T Releasable Reversing Overshot ,a new type of fishing tool ,has many advantages owned by various overshot ,box tap and the like .Its distinguishing features are as follows :to unscrew and recover the stuck fish ;to release the fish down hole if necessary ;to circulate the washing fluid .
Thechnical specifications and parameters:
Type |
O.D. |
Catch size |
Allowable |
Starting tensile force and applied torque |
Thread |
|
|
|
|
|
Tensile Force (KN) |
Torque (N.m) |
|
DLT-T48 |
95 |
47.0~49.3 |
250 |
117.7 |
3089 |
2 7/8"REG |
DLT-T60 |
105 |
59.7~61.3 |
350 |
147.1 |
5737 |
2 3/8"IF (NC26) |
DLT-T73 |
114 |
72.0~74.5 |
420 |
176.5 |
7750 |
2 7/8"IF (NC31) |
DLT-T89 |
134 |
88~91 |
500 |
176.5 |
10233 |
3 1/2"IF (NC38) |
DLT-T102 |
145 |
101~104 |
700 |
196 |
11032 |
3 1/2"IF (NC38) |
DLT-T114 |
160 |
113~115 |
890 |
196 |
12151 |
3 1/2"IF (NC38) |
DLT-T127 |
185 |
126~129 |
1200 |
235 |
13483 |
4 1/2"IF (NC50) |
DLT-T140 |
200 |
139~142 |
1500 |
235 |
15298 |
4 1/2"IF (NC50) |
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