Shengji seamless steel octg in oil and gas oilfield tubing pipe
Shengji seamless steel octg in oil and gas oilfield tubing pipe
Product DescriptionShengji is one of the leading manufacture of OCTG tubing in China. Shengji owns 8 thread processing lines, 2 upsetting lines (the 1st upsetting line among oil field API 5ct tubing Manufacturers in China), 1 leading domestic steel pipe overall heat treatment line, 1 surface rust removal line and NDT line. Shengji produces 120,000 tons of OCTG tubing every year, for its domestic and international markets. Every OCTG tubing is manufactured as per the API 5CT certification that Shengji obtained 10 years ago.Shengji has adopted strict quality inspection with the help of high-tech test tools to ensure ever OCTG tubing meet customer requirements. They are stable and reliable. The available Shengji seamless casing range from 4-1/2’’to 20’’ with material grades H40, J55, K55, N80, L80, C95, P110 etc. The thread options available include STC.BTC.LTC VAM and VAM TOP.
Type | Size(O.D. ) | Nominal Weight | W.T. | I.D. | Coupling | |||
in | Mm | Lbf/ft | Kg/m | mm | mm | O.D.mm | Min length mm | |
NUE J55 L80 N80 P110 | 1.90 | 48.26 | 2.75 | 4.09 | 3.68 | 40.90 | 55.88 | 95.25 |
2 3/8 | 60.32 | 4.60 | 6.85 | 4.83 | 50.66 | 73.02 | 107.95 | |
2 7/8 | 73.02 | 6.40 | 9.52 | 5.51 | 62.00 | 88.90 | 130.18 | |
3 ½ | 88.90 | 9.20 | 13.69 | 6.45 | 76.00 | 107.95 | 142.88 | |
4 1/2 | 114.30 | 12.60 | 18.75 | 6.88 | 100.54 | 132.08 | 155.58 | |
EUE J55 L80 N80 P110
| 1.90 | 48.26 | 2.90 | 4.32 | 3.68 | 40.90 | 63.50 | 98.42 |
2 3/8 | 60.32 | 4.70 | 6.99 | 4.83 | 50.66 | 77.80 | 123.82 | |
2 7/8 | 73.02 | 6.50 | 9.67 | 5.51 | 62.00 | 93.17 | 133.35 | |
3 ½ | 88.90 | 9.30 | 13.84 | 6.45 | 76.00 | 114.30 | 146.05 | |
4 1/2 | 114.30 | 12.75 | 18.97 | 6.88 | 100.54 | 141.30 | 158.75 | |
API 5CT Certificate
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Tubing and Casings
Production Process
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Development HistoryIn 1964, our factory is established;
In 1995, we bought in the first tubing production line;
In 2007, our company is restuctured;
In 2015, we became the supplier for Schlumberger and Haliburton.
