NQ Overshot For Geological Drilling: High Strength,Versatility & Pressure Tolerance
Overshot is an external catch fishing tool designed to catch the inner tube and core from the hole. Once core
sample is full inside the inner tube of a wireline core barrel, overshot is released from the top. Wireline Overshot Assembly slides inside the wireline drill rods. Lifting dogs of the overshot locks the spear head of the core barrel. Overshot along with inner tube is pulled out with steel wire rope. It is rugged, economical, and easy to use.
Components | |
Item | Description |
1 | Eye Bolt |
2 | Cable Swivel Collar |
3 | Thrust Bearing |
4 | Castle Nut |
5 | Cotter Pin |
6 | Grease Fitting |
7 | Cable Swivel Body |
8 | Jar Staff |
9 | Jar Tube |
10 | Hex Nut |
11 | Cap |
12 | Spring |
13 | Sleeve |
14 | Compression Spring |
15 | Stainless Ball |
16 | Overshot Head |
17 | Compression Spring |
18 | Lifting Dog |
19 | Plain Pin |
20 | Spring Pin |
21 | Locking Pin |
22 | Set Screw |
23 | Locking Sleeve |
Situated in Wuxi City which is renowned as geological drilling equipment manufacturing cernter of China,Best Drilling has been specializing in geological equipment since 2008. and now it has become one of the leading manufacturers in this industry.
Best Drilling people sincerely look forward to working with you in the near future.