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OCTG Pipe
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OCTG is the abbreviation of Oil Country Tubular Goods, it mainly refers to the piping products that applied in the oil and gas production (drilling activities). OCTG pipe normally is manufactured based on API or related standard specifications. It also could be taken as a collective name of Drill pipe, Steel Casing Pipe and Tubing pipe, Couplings, Connections and Accessories, used in petroleum industries that onshore and offshore.
Size Designation | Weight Designation Lb/ft | Outside Diameter | Wall Thickness | |||
|---|---|---|---|---|---|---|
Nonupset T&C | Ex-upset | In. | mm | In. | mm | |
| 2 3/8" | 4.00~7.35 | 4.70~7.45 | 2.375 | 60.33 | 0.167~0.336 | 4.24~8.53 |
| 2 7/8" | 6.40~11.50 | 6.50~9.45 | 2.875 | 73.03 | 0.217~0.440 | 5.51~11.18 |
| 3 1/2" | 7.70~17.00 | 9.30~12.95 | 3.5 | 88.9 | 0.216~0.530 | 5.49~13.46 |
| 4" | 9.50~22.20 | 11 | 4 | 101.6 | 0.226~0.610 | 5.74~15.49 |
| 4 1/2" | 12.60~26.10 | 12.75 | 4.5 | 114.3 | 0.271~0.630 | 6.88~16.00 |
| Size Designation | Weight Designation lb/ft | Outside Diameter | Wall Thickness | ||
|---|---|---|---|---|---|
| In. | mm | In. | mm | ||
| 4 1/2" | 9.5~15.10 | 4.5 | 114.3 | 0.205~0.337 | 5.21~8.56 |
| 5" | 11.50~24.10 | 5 | 127 | 0.220~0.500 | 5.59~12.70 |
| 5 1/2" | 14.00~43.10 | 5.5 | 139.7 | 0.244~0.875 | 6.20~22.23 |
| 6 5/8" | 20.00~32.00 | 6.625 | 168.28 | 0.288~0.475 | 7.32~12.23 |
| 7" | 17.00~57.10 | 7 | 177.8 | 0.231~0.875 | 5.87~22.23 |
| 7 5/8" | 24.00~55.30 | 7.625 | 193.68 | 0.300~0.687 | 7.62~19.05 |
| 7 3/4" | 46.1 | 8.625 | 219.08 | 0.595 | 15.11 |
| 8 5/8" | 24.00~49.00 | 8.625 | 219.08 | 0.264~0.557 | 6.71~14.15 |
| 9 5/8" | 32.30~75.60 | 9.625 | 244.48 | 0.312~0.797 | 7.92~20.24 |
| 10 3/4" | 32.75~85.30 | 10.75 | 273.05 | 0.279~0.797 | 7.09~20.24 |
| 11 3/4" | 42.00~71.00 | 11.75 | 298.45 | 0.333~0.582 | 8.46~14.78 |
| 13 3/8" | 48.00~72.00 | 13.375 | 339.73 | 0.330~0.514 | 8.38~13.06 |
