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[China]
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API Integral Drill Collar Lifting Sub for Oil Well Drilling
Lifting sub is one kind of special tool used in oil, gas and exploration drilling operations. There are two kinds: A type, 18 degree shoulder and B type, 90 degree shoulder. You can select according to structure type of elevators. The connections confirm to API standards.
Introduction:
Lift subs are special tools to lift drilling tools in the industry of petroleum, natural gas and geologic exploration. The integral lift subs are divided into two kinds: Type A has an 18 degree shoulder; Type B has a 90 degree shoulder, can be selected according to elevator’s structure when using. The integral lift subs are made of high strength alloy steel. All connections are complied with API standard.
Technical Parameter:
Connections ranges from NC23 to NC77 ,6 5/8"REG & 7 5/8"REG.
O.D.: 75.4mm to 254mm
lift end O.D. 111.1mm to 168.3mm
Length 100mm
| No. | Nominal size | I.D.(mm) | End of pin | Lifting end | ||||
| (mm) | Connection | O.D.(mm) | DF/mm | Tong Space | O.D (mm) | Tong Space | ||
| LPB/mm | LPB/mm | |||||||
| 1 | 73 | 31.8 | NC23 | 79.4 | 76.2 | 250 | 111.1 | 100 |
| 2 | 44.5 | NC26 | 88.9 | 82.9 | ||||
| 3 | 89 | 54 | NC31 | 104.8 | 100.4 | 127 | ||
| 4 | 50.8 | NC35 | 120.7 | 114.7 | ||||
| 5 | 68.3 | NC38 | 127 | 121 | ||||
| 6 | 127 | 71.4 | NC44 | 152.4 | 144.5 | 168.3 | ||
| 7 | 158.8 | 149.2 | ||||||
| 8 | 82.6 | NC46 | 158.8 | 150 | ||||
| 9 | 165.1 | 154.8 | ||||||
| 10 | 171.5 | 159.5 | ||||||
| 11 | NC50 | 177.8 | 164.7 | |||||
| 12 | 184.2 | 169.5 | ||||||
| 13 | NC56 | 196.8 | 185.3 | 300 | ||||
| 14 | 203.2 | 190.1 | ||||||
| 15 | 95.3 | 6 5/8 REG | 209.6 | 195.7 | ||||
| 16 | NC61 | 228.6 | 212.7 | |||||
| 17 | 7 5/8 REG | 241.3 | 223.8 | |||||
| 18 | NC70 | 247.7 | 232.6 | |||||
| 19 | 254 | 237.3 | ||||||
| 20 | NC77 | 279.4 | 260.7 | |||||
Lake Petro company is a professional supplier of various oilfield equipment, including oil drilling and service equipment, oil production equipment, OCTG, wellhead & downhole tools and spare parts. Our products have already been exported to USA, South America, Africa, Middle East, Russia and some other countries (regions). Lake Petro company has become VIP (assigned) supplier and built strategic partnership with some countries' national petroleum companies.
