- Hebei Luqi Equipment Co. Ltd
-
Shijiazhuang, Hebei, China
- Main products: downhole mud motor, Stabilizer, Coring Tools, Coiled Tubing Tools, Flexible Manifold/Drilling Hose, Swivel Joint, Cable Blowout Preventer, Brake Block/brake pads
Home > Products > Downhole drilling tools > Coring Tools
Coring Tools
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Product Description
The coring tool is designed according to the characteristics of the US 250 coring tool, combined with the domestic conventional coring and material processing conditions, and new conventional coring tools designed for use in the field with existing problems. 40CrMnMo high quality steel is preferred for outer tube. It can be used for well depth up to 7000 meters, and the inner cylinder can be used for disposable glass cylinder.
Coring Parameters
bit pressure（KN） | RPM（r/min） | pumping pressure（MPa） | CC（L/S）） |
40～60 | 80～120 | 6～10 | 25～35 |
Technology Characteristics:
1. The threaded joint has an open elastic ring.
2. Rotating suspension assemblies have two reverse buckles and caps to prevent steel-flue tripping.
3. There are adjuster to guarantee 1mm coaxiality between inner barrel and coring bit.
4. Formation-keeping inner barrel and composite core catcher cutting coring device can gurantee the shallow stratum coring and soft broken stratum boring.
5. This tool should have a good performance in inclined well coring.
7. High strength material can guarantee the safety and reliability in 7000m coring.
Conventional deep well anti-back button core tool series | |||||||
Model | 180-124 | 172-121 | 168-121 | 133-89 | 127-89 | 121-89 | 141-89 |
OD | Φ180×144 (Φ172×144) | Φ172×136 | Φ168×146 | Φ133×101 | Φ127×108 | Φ121×100 | Φ141×119 |
ID | Φ124×108 | Φ121×107 | Φ121×107 | Φ89×76 | Φ89×76 | Φ89×81 | Φ89×81 |
Core diameter | Φ100 | Φ100 | Φ100 | Φ70 | Φ70 | Φ70 | Φ70 |
Coring length | 9m and u18m | 9m and u18m | 9m and u18m | 9m | 9m | 9m | 9m and u18m |
Adjuster OD | Φ198-Φ213 | Φ198-Φ213 | Φ184 | Φ149 | Φ149 | Φ139 | Φ1494 |
Shackle type | NC50 | NC50 | NC46 | NC38 | NC38 | NC38 | NC38 |
Coring bit size | Φ200 Φ215.4 | Φ200 Φ215.4 | Φ187 -Φ200 | Φ152 | Φ142 Φ152 | Φ142 | Φ152 |
Remarks | 40CrNiMo Outer barrel 40CrNiMo | Special custom made for inner and outer barrel | 6 5/8 Drill stem | Φ142 （No adjuster） | Special custom made for inner and outer barrel | 5 9/16 Drill stem | |
Contact Us
- Hebei Luqi Equipment Co. Ltd
- Contact nameDu Chat Now
- Phone86-311-82622531
- Addresszhengding, Shijiazhuang, Hebei
Product Categories
| Downhole drilling tools | DRILLING RIG PARTS |
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