External Hook is a tool which used inside casings or tubings to catch a variety of ropes, lifting bail, short hollow cylinders, short rope slings, etc. such as wire lines, logging steel wire, cable, and so on.
In the process of use, the external hook will insert rope or other falling objects, when pick up drilling tool, hook tooth hooks falling objects and take to the ground.
Type
|
Max. O.D.
(mm/inch)
|
Connection
API
|
Casing/tubing
|
NG73
|
73(2-7/8)
|
2 3/8UP TBG
|
3 1/2 Tubing
|
NG95
|
95(3-3/4)
|
NC26
|
4 1/2 Tubing
|
NG114
|
114(4-1/2)
|
NC31
|
5 1/2 Casing
|
NG150
|
150(5-29/32)
|
NC38
|
7Casing
|
NG190
|
190(7-15/32)
|
NC38
|
9 5/8 Casing
|