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Seamless API 5CT TUBING 2-7/8" L80 NU For Oil And Gas
According to American Petroleum Institute Standard API SPEC 5CT, a specification for casing and tubing for petroleum and natural gas industries-used for wells, the steel oil casing pipe can be divided into ten types: H-40, J-55, K-55, N-80, C-75, L-80, C-90, C-95, P-110 and Q-125. Grade L80 casing tubing is an API 5CT oil casing pipe and is mostly used for oil well under sour (H2S) environments with varied end connections such as non-upset ends or an external upset end. L80 family includes L80-1, L80-9Cr, and L80-13Cr, is a group of pipe for corrosion-resistant casing application.
| O.D. | Nominal mass | O.D. | w.t. | Nominal weight | Type of pipe end | |||||||||
| (lb/ft) | (kg/m) | |||||||||||||
| Threaded and coupled | Threaded and coupled | Grade | ||||||||||||
| NUE | EUE | In. | mm | In. | mm | NUE | EUE | J-55 | L-80 | N-80 | C-90 | T-95 | P-110 | |
| 2 7/8" | 6.40 | 6.50 | 2.375 | 73.02 | 0.217 | 5.51 | 9.52 | 9.67 | PUN | PNU | PNU | PNU | PNU | PNU |
| 7.80 | 7.90 | 2.375 | 73.02 | 0.276 | 7.01 | 11.61 | 11.76 | -- | PNU | PNU | PNU | PNU | PNU | |
| 8.60 | 8.70 | 2.375 | 73.02 | 0.308 | 7.82 | 12.80 | 12.95 | -- | PNU | PNU | PNU | PNU | -- | |
| 9.35 | 9.45 | 2.375 | 73.02 | 0.340 | 8.64 | 13.91 | 14.06 | -- | PU | -- | PU | PU | -- | |
| 10.50 | -- | 2.375 | 73.02 | 0.392 | 9.96 | 15.63 | -- | -- | P | -- | P | P | -- | |
| 11.50 | -- | 2.375 | 73.02 | 0.440 | 11.18 | 17.11 | -- | -- | P | -- | P | P | -- | |
| P-Plain; N-No threading and no coupling; U-Upset with threading and coupling | ||||||||||||||
NO. | OD(inch) | OD(mm) | Wall Thickness(mm) |
1 | 4-1/2 | 114.30 | 5.21 / 5.69 / 6.35 / 7.37 / 8.56 |
2 | 5 | 127.00 | 5.59 / 6.43 / 7.52 / 9.19 / 11.10 / 12.14 / 12.70 |
3 | 5-1/2 | 139.70 | 6.20 / 6.98 / 7.72 / 9.17 / 10.54/ 12.70 / 14.27 / 15.88 / 17.45 / 19.05 / 20.62 / 22.22 |
4 | 6-5/8 | 168.28 | 7.32 / 8.94 / 10.59 /12.06 |
5 | 7 | 177.80 | 5.87 / 6.91 / 8.05 / 9.19 / 10.36 / 11.51 / 12.65 /13.72 / 15.88 / 17.45 / 19.05 / 20.62 /22.22 |
6 | 7-5/8 | 193.68 | 7.62 / 8.33 / 9.52 / 10.92 / 12.70 / 14.27 / 15.11 / 15.88 / 17.45 / 19.05 |
7 | 7-3/4 | 196.85 | 15.11 |
8 | 8-5/8 | 219.08 | 6.71 / 7.72 / 8.94 / 10.16 / 11.43 / 12.70 / 14.15 |
9 | 9-5/8 | 244.48 | 7.92 / 8.94 / 10.03 / 11.05 / 11.99 / 13.84 / 15.11 / 15.47 / 17.07 / 18.64 /20.24 |
10 | 10-3/4 | 273.05 | 7.09 / 8.89 / 10.16 / 11.43 / 12.57 / 13.84 /15.11 |
11 | 11-3/4 | 298.45 | 8.46 / 9.53 / 11.05 / 12.42 / 13.56 / 14.78 |
12 | 13-3/8 | 339.72 | 8.38 / 9.65 / 10.92 / 12.19 / 13.06 |
13 | 16 | 406.40 | 9.53 / 11.13 / 12.57 / 16.66 |
14 | 18-5/8 | 473.08 | 11.05 |
15 | 20 | 508.00 | 11.13 / 12.70 / 16.13 |
