Hot Selling for Coal Mining Machinery Parts - Coring Tools – LUQI
Hot Selling for Coal Mining Machinery Parts - Coring Tools – LUQI Detail:
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 |
|
Product detail pictures:
Related Product Guide:
Design Theory of Stator and Rotor of PDM Based on Rack Gearing Principle
We will make every effort to be outstanding and perfect, and accelerate our steps for standing in the rank of international top-grade and high-tech enterprises for Hot Selling for Coal Mining Machinery Parts - Coring Tools – LUQI , The product will supply to all over the world, such as: Liberia, Latvia, Hyderabad, Welcome to visit our company and factory, there are various products displayed in our showroom that will meet your expectation, meanwhile, if you are convenient to visit our website, our sales staff will try their efforts to provide you the best service
By Ryan from Guinea - 2018.12.11 14:13
Although we are a small company, we are also respected. Reliable quality, sincere service and good credit, we are honored to be able to work with you!
By Christina from Johannesburg - 2018.09.12 17:18
