Integral Lifting Sub For Drill String,NC31,NC38,NC46,NC50,Lift Sub,Saver Sub
Certification:API & ISO
Model Number:Lifting Sub
Minimum Order Quantity:1 pc
Delivery Time:20-30 days
Payment Terms:L/C, T/T, Western Union, MoneyGram
Place of Origin:China
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Integral Lifting Sub For Drill String,NC31,NC38,NC46,NC50,Lift Sub,Saver Sub,Reduced Section Subs
Description of lifting sub
Lifting sub is the special tools for lifting of the drill tools in petroleum, natural gas industry and geologic exploration. There're two types for drill tool lifting sub in structure: type A or B. Type A lift sub is with 18 degree shoulder, and type B is with 90 degree shoulder. All lifting subs are complied with API standard.
1. Material:alloy steel
2. Melting process: EAF+LF+VD
3. Machining process: forging +rough machining+ heat treatment +
finish machining
4. Heat treatment: Normalized / Annealed / Quenched / tempered
5. Standard: API spec7-1 & ISO9001:2008
Technical specifications and parameters
| No. | Nominal size D+/-0.1 mm(in) | ID d/mm | External Thread connection | Lifting end | ||||
| Thread type | OD Dp+/-0.1 mm(in) | Bevelled DE/mm | Tong Space LPB/mm | DB+/-0.1 | Tong Space LPB/mm | |||
| 1 | 73 (2 7/8) | 31.8 | NC23 | 79.4 | 76.2 | 250 | 111.1 | 100 |
| 2 | 44.5 | NC26(2 3/8) | 88.9 | 82.9 | ||||
| 3 | 89 (3 1/2) | 54 | NC31(2 7/8) | 104.8 | 100.4 | 127 | ||
| 4 | 50.8 | NC35 | 120.7 | 114.7 | ||||
| 5 | 68.3 | NC38(3 1/2) | 127 | 121 | ||||
| 6 | 127(5) | 71.4 | NC44 | 152.4 | 144.5 | 168.3 | ||
| 7 | 158.8 | 149.2 | ||||||
| 8 | 82.6 | NC46 (4" IF) | 158.8 | 150 | ||||
| 9 | 165.1 | 154.8 | ||||||
| 10 | 171.5 | 159.5 | ||||||
| 11 | 127 | 82.6 | NC50(4 1/2"IF) | 177.8 | 164.7 | 250 | 168.3 | 100 |
| 12 | 184.2 | 169.5 | ||||||
| 13 | NC56 | 196.8 | 185.3 | 300 | ||||
| 203.2 | 190.1 | |||||||
| 14 | 6 5/8"REG | 209.6 | 195.7 | |||||
| 15 | 95.3 | NC61 | 228.6 | 212.7 | ||||
| 16 | 7 5/8"REG | 241.3 | 223.8 | |||||
| 17 | NC70 | 247.7(9 3/4) | 232.6 | |||||
| 18 | 254(10) | 237.3 | ||||||
| 19 | NC77 | 279.4(11) | 260.7 | |||||
| 20 | ||||||||
If any needs, pls contact us freely:
Dongying OilMan Machinery Equipment Co.
Address: North Two Road, Dongying City, Shandong Province, China.
Mob/whats app/we chat:+86 13475294399
*Email: christal@oilmancn.com
Integral Lifting Sub For Drill String,NC31,NC38,NC46,NC50,Lift Sub,Saver Sub
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