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Specifications
1.Used for oil well drilling
2.OD:60~139.7mm
3.WT:7.11~10.54mm
4.Standard:API 5DP
| No. | Size | Grade | Upsetting | Standards | |
| OD mm(in) | WT mm | ||||
| 1 | 60.35(2-3/8″) | 7.11 | E,X,G,S | EU | API 5DP |
| 2 | 73(2-7/8″) | 9.19 | EU,IU | ||
| 3 | 88.9(3-1/2″) | 6.45 | E | ||
| 9.35 | E,X,G,S | ||||
| 11.4 | E | ||||
| X,G,S | EU,IEU | ||||
| 4 | 101.6(4″) | 8.38 | E,X,G,S | EU,IU | |
| 5 | 114.3(4-1/2″) | 6.88 | E | ||
| 8.56 | E,X,G,S | EU,IEU | |||
| 10.92 | |||||
| 6 | 127(5″) | 7.52 | IU | ||
| 9.19 | E | IEU | |||
| X,G,S | EU,IEU | ||||
| 12.7 | E | IEU | |||
| X,G,S | EU,IEU | ||||
| 7 | 139.7(5-1/2″) | 9.17 | E,X,G,S | IEU | |
Drill Collar
