Beijing Jietaihongli Technology Co., Ltd. |
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Beijing Jietai Haoli Technology Development Co., Ltd. is one
comprehensive enterprise that produces and sells rotary drilling
kelly bars ,drilling tools,piling rigs spares and piling rig
maintenance.The company established in 2004. The founder has been
engaged in after-sales service of drilling rigs and kelly bars such
as IMT, SOIMEC, BAUER, and MAIT before the establishment of the
company. During this period he accumulated rich experience in kelly
bar manufacture and maintenance.The company focused on the
research, development and production of kelly bars after
establishment . The main kelly bars produced include frictional
kelly bars ,interlocking kelly bars and square kelly bars.
Based on the integration of Bauer, Soilmec and IMT interlocking kelly bars,we studied one big (multi) interlocking kelly bar,which have applied for patents. This kind kelly bar has the following advantages:
(1) The pressurized area is increased, which is 3-4 times the pressurized area of other type kelly bars;
The practice has shown that, this big (multi) interlocking kelly bar has more advantage of increased pressurized area, extended pressurized linear distance, uniform force distribution, and better drilling stability rather than the original interlocking type kelly bars. This type kelly bar is more suitable for the construction of large-diameter and hard rock formations.
Specification
No. | Diammeter of The First | Sections | Sections | Sections | Key Pressure Type | Length of per section(m) | Drill depth | Torque(KN.M) |
1 | ¢299 | 3 | Interlocking | 9-16 | 24-45 | 100 -120 | ||
2 | ¢342 | 3 | 4 | Interlocking | 9-16 | 24-45 | 100 -120 | |
3 | ¢355 | 3 | 4 | Interlocking | 9-16 | 24 - 56 | 100-120 | |
4 | ¢368 | 3 | 4 | Interlocking | 9-16 | 24 - 56 | 150-180 | |
5 | ¢377 | 3 | 4 | Interlocking | 9-16 | 24 - 56 | 150-180 | |
6 | ¢394 | 3 | 4 | Interlocking | 9-16 | 24 - 58 | 180-200 | |
7 | ¢406 | 3 | 4 | Interlocking | 9-16 | 24 - 58 | 180-200 | |
8 | ¢419 | 3 | 4 | Interlocking | 9-16 | 24 - 58 | 200-230 | |
9 | ¢440 / ¢445 | 3 | 4 | Interlocking | 9-16 | 24 – 58 | 220-260 | |
10 | ¢470 | 3 | 4 | Interlocking | 9-16 | 24 – 60 | 220-260 | |
11 | ¢482 | 3 | 4 | Interlocking | 9-16 | 24 - 60 | 220-260 | |
12 | ¢508 | 3 | 4 | Interlocking | 9-16 | 24 – 68 | 260-360 | |
13 | ¢530 | 3 | 4 | 5 | Interlocking | 9-16 | 32 – 92 | 320-400 |
14 | ¢540 | 3 | 4 | 5 | Interlocking | 9-16 | 32 - 92 | 320-400 |
15 | ¢580 / ¢575 | 3 | 4 | 5 | Interlocking | 9-16 | 32 – 92 | 360-420 |
16 | ¢630 | 3 | 4 | 5 | Interlocking | 9-16 | 32 - 102 | 400-500 |
FAQ
1.Are you Factory?
Ans: Yes,we foucs on manufactuer kelly bars for more than 17years old.Our factory locted in Shandong now,own two factories .