Releasable Left-hand overshot is a tool designed to catch and back off the stuck pipe-shaped fish like drill pipe, tubing, etc.It can release the caught fish at requirement and circulate drilling fluid.
Specification of Releasing Left-hand Overshot
|
Type
|
O.D.
(mm)
|
Connection
|
Fishing Range
(mm)
|
Type
|
O.D.
(mm)
|
Connection
|
Fishing Range
(mm)
|
|
DLT-T48
|
95
|
2 7/8″REG
|
47.0-49.3
|
DLT-T102
|
145
|
NC38
|
101.0-104.0
|
|
DLT-T60
|
105
|
NC26
|
59.7-61.3
|
DLT-T114
|
160
|
4 1/2″REG
|
113.0-115.0
|
|
DLT-T73
|
114
|
NC31
|
72.0-74.5
|
DLT-T127
|
185
|
NC50
|
126.0-129.0
|
|
DLT-T89
|
134
|
NC38
|
88.0-91.0
|
DLT-T140
|
200
|
NC50
|
139.0-142.0
|