Suzhou Energy Tool Co., Ltd.
Suzhou Energy Tool Co., Ltd.
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Crossover Sub 3-1/2in Connecting Of Uppper Drilling Tool
Description :
Cross-over sub acts for conversion and connection of drill stem component in petroleum,natural gas and geology drilling work. It is used mainly for connecting of upper drill tools and lower drill tools during drilling operations.
Specification :
There are three types such as pin*pin, pin*box, box*box. We carry size range of 2-3/8", 2-7/8″, 3-1/2″,4″ and 4-1/2″ in J55, K55, N80, P110 grade.
All of our couplings meet the API Specifications 5CT/5B.
1.Size: 2-3/8″, 2-7/8″, 3-1/2″, 4″, 4-1/2″
2. Standard: API 5CT /5B
3. Model : EUE ,NUE
4: Material : Alloy Steel as buyer requirement
4. Grade: J55/K55/N80/L80/P110
5. Type : PIN*PIN ,PIN*BOX ,BOX*BOX
6. Application Industries : Oil , Gas, water ,Mining drilling industry
Aviable Size :
| Size | Type of Thread | O.D*L (mm) | Weight(kg) |
| 2-3/8" | NUE | 73.02*107.95 | 1.28 |
| 2-7/8" | NUE | 88.90*130.18 | 2.34 |
| 2-7/8" | EUE | 93.17*133.35 | 2.40 |
| 3-1/2" | NUE | 107.95*142.88 | 3.71 |
| 3-1/2" | EUE | 114.30*146.05 | 4.10 |
| 4" | NUE | 120.65*146.05 | 4.35 |
| 4" | EUE | 127.00*152.40 | 4.82 |
| 4-1/2" | NUE | 132.08*155.58 | 4.89 |
| 4-1/2" | EUE | 141.30*158.75 | 6.05 |
Model Type :
| Model A | 2 3/8''IF(box or pin)-2 7/8''IF(box or pin) |
| Model B | 2 3/8''IF(box or pin)-3 1/2''IF(box or pin) |
| Model C | 2 3/8''IF(box or pin)-4 1/2''IF(box or pin) |
| Model D | 2 3/8''reg(box or pin)-3 1/2''IF(box or pin) |
| Model E | 2 7/8''reg(box or pin)-3 1/2''reg(box or pin) |
| Model F | 2 7/8''reg(box or pin)-4 1/2''reg(box or pin) |
| Model G | 3 1/2''IF(box or pin)-4 1/2''reg(box or pin) |
| Model H | 4 1/2''reg(box or pin)-6 5/8''reg(box or pin) |
| Model I | 6 5/8''reg(box or pin)-3 1/2''IF(box or pin) |
| Model J | 4''FH(box or pin)-5 1/2'' FH(box or pin) |
Manufacuture Process :
The sub adapter of drill-class production technology, and has formed a complete production system has a number of leading level of electro-hydraulic forging hammer, to control atmosphere furnace heat treatment production line and excellent Seiko CNC machine tool production equipment. All parts CNC machining, the key technology of CNC control to ensure that the products of high quality, high reliability.