China wholesale Water Well Drilling Tools - Coring Tools – LUQI
China wholesale Water Well Drilling Tools - 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
Our company insists all along the quality policy of "product quality is base of enterprise survival; customer satisfaction is the staring point and ending of an enterprise; persistent improvement is eternal pursuit of staff" and the consistent purpose of "reputation first, customer first" for China wholesale Water Well Drilling Tools - Coring Tools – LUQI , The product will supply to all over the world, such as: Congo, Paraguay, Qatar, Adhering to the management tenet of "Managing Sincerely, Winning by Quality", we try our best to provide excellent products and service to our clients. We look forward to making progress together with domestic and international clients.
By Lulu from America - 2018.02.08 16:45
The company keeps to the operation concept "scientific management, high quality and efficiency primacy, customer supreme", we have always maintained business cooperation. Work with you,we feel easy!
By Anne from Wellington - 2017.05.31 13:26
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