Nq Compact Overshot Assembly Alloy Steel Wireline Drilling Overshot
NQ COMPACT WIRELINE OVERSHOT ASSEMBLY
PEERCHEER offers compact NQ Ezy lock overshot for use with NQ/NQ3/NTW core barrel. NQ EZY lock overshot is designed to protect against accidental release of NQ/NQ3/NTW inner tube assembly. NQ Ezy Lock Overshot is ideal for surface applications when hoisting above ground.
NQ Ezy lock overshot Features:
• Ezy Lock Sleeve provides a quick, one-handed rotation of the sleeve to lock the lifting dogs.
• Quick Release Safety Pin locks the overshot head to the spearhead point.
• Threaded connection between jar staff and overshot head.
• High strength alloy steel jar staff with increased diameter and fail safe stop.
NQ wireline overshot standard parts:
1-NQ Overshot Eye Bolt
2-NQ Overshot Cable Swivel Collar
3-NQ Overshot Thrust Bearing
4-NQ Overshot Castle Nut
5-NQ Overshot Cotter Pin
6-NQ Overshot Grease Fitting
7-NQ Overshot Cable Swivel Body
8-NQ Overshot Jar Staff
9-NQ Overshot Jar Tube
10-NQ Overshot Hex Nut
11-NQ Overshot Cap
12-NQ Overshot Spring
13-NQ Overshot Sleeve
14-NQ Overshot Compression Spring
15-NQ Overshot Ball
16-NQ Overshot Head
17-NQ Overshot Compression Spring
18-NQ Overshot Lifting Dog
19-NQ Overshot Plain Pin
20-NQ Overshot Spring Pin
21-NQ Overshot Locking Pin
22-NQ Overshot Set Screw
23-NQ Overshot Locking Sleeve
NOTE:
(1)NQ Overshot with roller bar type is also available.
| NQ Nonimal Parameter | mm | Inches |
| NQ Hole Diameter(approx.) | 75.8 | 2.984 |
| NQ Core Diameter(approx.) | 47.6 | 1.874 |
| NQ Core Bit Set OD(approx.) | 75.3 | 2.965 |
| NQ Core Bit Set ID(approx.) | 47.6 | 1.874 |
| NQ Reaming Shell Set OD(approx.) | 75.8 | 2.984 |
Our Services:
Ø Provide the technical design and solutions;
Ø Designing and manufacturing of non-standard equipment;
Ø Professional technical training and guidance on site according to the contract;
Ø Supply accessories at any time;
Ø Tele-technical consulting and services;
Ø Other special technical service according to client's requirements.
We specialized in producing of varies diamond drilling tools, such as impregnated/surface-set diamond core bits, diamond casing shoes, diamond rod shoes, reaming shells, TC core bits/casing shoes/TC rod shoes, PDC bits, Thin Wall Bits, core lifters, core lifter cases, core barrels, and kinds of drilling rigs etc.
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