Customized Full Interlocking Drilling Kelly Bar OD406*4*16m Drilling Rod For IMT AF180/AF220/AF240/AF270
Brand Name:JTHL
Certification:ISO
Model Number:OD406*4*16m
Minimum Order Quantity:1 SET
Delivery Time:5-8 work days
Place of Origin:China
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Beijing Beijing China
Address:
1903, Building 3, No. 10 Yard, Ronghua South Road, Beijing Economic and Technological Development Zone
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Customized Full Interlocking Drilling Kelly Bar OD406*4*16m Drilling Rod For IMT AF180/AF220/AF240/AF270
Customized Full Interlocking Kelly Bar OD406*4*16m Drilling Rod
This type of Kelly bar is the best one of transferring pressure at present , especially for hard ground and frozen oil layer construction. In the drilling process , every continuous steps can form pressure point to reduce wear and tear of local pressurization key lines, also to avoid the stick problem that Kelly pipe is deformation always in a part pressurization It has gotten high praise from home and abroad rotary rig user.
This type Kelly bar has applied for patent, the patent No. is 201420542679.2.
| No. | Diammeter of The First Section | Sections | Key Pressure Type | Length of per section(m) | Drill depth(m) | Torque(KN.M) | |
| 1 | ¢299 | 3 | Full-inerlocking | 9-14 | 24-50 | 100-120 | |
| 2 | ¢342 | 3 | Full-inerlocking | 9 - 14 | 24 - 50 | 100 -120 | |
| 3 | ¢355 | 3 | 4 | Full-inerlocking | 9 - 14 | 24 – 50 | 100-120 |
| 4 | ¢368 | 3 | 4 | Full-inerlocking | 9 - 14 | 24 – 50 | 150-180 |
| 5 | ¢377 | 3 | 4 | Full-inerlocking | 9 - 14 | 24 – 50 | 150-180 |
| 6 | ¢394 | 3 | 4 | Full-inerlocking | 9 - 15 | 24 – 55 | 180-200 |
| 7 | ¢406 | 3 | 4 | Full-inerlocking | 9 - 15 | 24 – 55 | 180-200 |
| 8 | ¢419 | 3 | 4 | Full-inerlocking | 9 - 15 | 24 – 55 | 200-230 |
| 9 | ¢440(445) | 3 | 4 | Full-inerlocking | 9 - 15 | 24 – 55 | 220-260 |
| 10 | ¢470(482) | 3 | 4 | Full-inerlocking | 9 - 15 | 24 – 55 | 230-280 |
| 11 | ¢508 | 3 | 4 | Full-inerlocking | 9 - 16 | 30– 65 | 260-360 |
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Customized Full Interlocking Drilling Kelly Bar OD406*4*16m Drilling Rod For IMT AF180/AF220/AF240/AF270
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