Interlocking Kelly Bar
Interlocking Kelly Bar:
It is a kind of drill pipe that transits pressure between layers of drill pipe through the locking block when the rotary drilling rig is drilling. The special heat treatment which make this style kelly bar with high abrasion resistance,compression rresistance and excellent welding properity. The friction rod has the characteristics of simple operation and large drilling depth.It is mainly suitable for soft formation construction.
No. |
OD |
Section |
Way of crowding |
Length of per section(m) |
Drill depth | Torque | ||
1 | ¢299 | 3 | 4 |
(interlock-type) | 9-12 | 24-45 | 100 -120 | |
2 | ¢342 | 3 | 4 |
(interlock-type) | 9 - 12 | 24-45 | 100 -120 | |
3 | ¢355 | 3 | 4 | (interlock-type) | 9 - 14 | 24 - 56 | 100-120 | |
4 | ¢368 | 3 | 4 |
(interlock-type) | 9 - 14 | 24 - 56 | 150-180 | |
5 | ¢377 | 3 | 4 |
(interlock-type) | 9 - 14 | 24 - 56 | 150-180 | |
6 | ¢394 | 3 | 4 |
(interlock-type) | 9 - 15 | 24 - 58 | 180-200 | |
7 | ¢406 | 3 | 4 |
(interlock-type) | 9 - 15 | 24 - 58 | 180-200 | |
8 | ¢419 | 3 | 4 |
(interlock-type) | 9 - 15 | 24 - 58 | 200-230 | |
9 | ¢440(445) | 3 | 4 |
(interlock-type) | 9 - 15 | 24 – 58 | 220-260 | |
10 | ¢470 (482) | 3 | 4 |
(interlock-type) | 9 - 16 | 24 – 60 | 220-260 | |
11 | ¢508 | 3 | 4 |
(interlock-type) | 9 – 18 | 24 – 68 | 260-360 | |
12 | ¢530 (540) | 3 | 4 | 5 |
(interlock-type) | 9 – 20 | 32 – 92 | 320-400 |
13 | ¢580(575) | 3 | 4 | 5 |
(interlock-type) | 9 – 20 | 32 – 92 | 360-420 |
14 | ¢630 | 3 | 4 | 5 |
(interlock-type) | 9 - 22 | 32 - 102 | 400-500 |
dvantage & Features of our kelly bar :
a). high quality material and rich manufacturing experience in welding process.
b). reasonable price and advanced processing facilities.
c). professional experienced engineers group from R&D department.
d). Raw materials of seamless steel tube with alloy from Chinese top manufacturer.
e). Higher hardness, higher flexibility, excellent welding properties.
f). Thinner tube, smaller inter-tube distance, good abrasion resistance.
g). Advanced technology of 6-key design, standard modular design
FAQ:
1.What kind of kelly bar can we provide?
Ans.: We can provide kelly bars for almost all the brand rotary drilling rig,the interlocking Kelly bar and friction Kelly bar , most are for Bauer, IMT , MAIT, SOILMEC, SANY , TEG, SUNWARD ,XCMG ,Etc. For ten years experience, supply all the world clients with good satisfaction.
2.What is the advantages of our kelly bar?
Ans.:We use super quality seamless steel pipe material, which makes the kelly bar more durable, and our kelly bar with competitive and reasonable price. We have got the ISO9001 certification , no matter you are dealers or end user, you will get the biggest profit.
3. What warranty do we provide?
Ans.: We provide 6 months warranty time.
4. What is the lead time?
Ans.: Usually the lead time is 7days,after receipt of your down payment.
5.What payment terms do we accept?
Ans.: We accept TT in advance and LC at sight .