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Vigor Drilling API 5CT Tubing/OCTG Tubing(Tubing oil and gas) is one of the important component parts in the production system of a flowing well and is the main channel for oil and gas field development. For the manufacture of tubing/OCTG tubing pipe, except the "upsetting" process to thicken the wall of pipes, the manufacturing of OCTG Tubing/tubing pipes and casing pipes are identical. First, green steel tubes are threaded on each end. The threading is then inspected and, if necessary, rethreaded to ensure that the tubing thread accurately connects to the tubing coupling. The OCTG tubing and casing pipes are strengthened by surface treatment and are subject to various inspections, including drifting and hydrostatic tests before they are coated and packaged into OCTG tubing and casing pipes.
Any oil well system has an optimum Tubing oil and gas/OCTG tubing/Tubing size. Undersized OCTG tubing will limit the production rate due to the increased friction resistance caused by excessive flow velocity. Contrarily, oversized tubing may lead to an excessive liquid phase loss due to slippage effect or an excessive downhole liquid loading during lifting. As a specialized API 5CT Casing and Tubing manufacturers and supplier, also provides API 5L seamless steel pipe, API 5CT oil Casing pipe, Tubing Coupling, and more.
China Vigor supply the high quality OCTG tubing/Tubing oil and gas, and we will be your best choose in Casing and tubing manufacturers.
OCTG Tubing/Tubing instock size: 1.9"~ 4 1/2"
Tubing material grade: H40, J55, K55, N80,N80Q, L80, C90, C95, T95, P110, Q125,SS95,SS110, 9%CR, 13%CR
Special for L80 13Cr Tubing/OCTG Tubing is a grade 80ksi martensitic stainless steel described in API 5CT and ISO 11960 (tubulars in carbon and low alloy steels). The alloy is widely used in tubular form for casing and tubing/tubing oil and gas in standard and CO2 environment. pH, chlorides, temperature and H2S can limit its use in other environments. ISO 15156-3 limits the hardness to 22 HRC max for sour service. The alloy is almost similar to AISI 420 modified.
OCTG TubingThreads:
NUE (Non-upset End), also can be called 10Rd;
EUE (External-upset-end), can be called 8Rd;
IJ (Integral-joint) type
If you are looking for competitive, high quality and fast delivery oilfield tubing in stock, or if you are planning to buy tubing API from one of the leading saw octg, super 13cr tubing, vam top tubing stock, tenaris tubing in stock, sumitomo tubing stock manufacturers and suppliers China, please feel free to contact VIGOR.
Tubing
SizeNominal Weight
lb/ftOutside Diameter Wall Thickness Type of End Finish Grade Non
-upset
External
-upset
in mm in mm J55 L80-1 N80 C90 T95 P110 1.900" 2.40 - 1.900 48.26 0.125 3.18 PI - - - - - 2.75 2.90 1.900 48.26 0.145 3.68 PNUI PNUI PNUI PNUI PNUI - 3.65 - 1.900 48.26 0.200 5.08 PU PU PU PU PU PU 2 3/8" 4.00 - 2.375 60.32 0.167 4.24 PN PN PN PN PN - 4.00 4.70 2.375 60.32 0.190 4.83 PNU PNU PNU PNU PNU - 5.80 5.95 2.375 60.32 0.254 6.45 - PNU PNU PNU PNU PNU 6.60 - 2.375 60.32 0.259 7.49 - - P P P PNU 7.35 7.45 2.375 60.32 0.336 8.53 - PU - PU PU - 2 7/8" 6.40 6.50 2.875 73.02 0.217 5.51 PNU PNU PNU PNU PNU - 7.80 7.90 2.875 73.02 0.276 7.01 - PNU PNU PNU PNU PNU 8.60 8.70 2.875 73.02 0.308 7.82 - PNU PNU PNU PNU PNU 9.35 9.45 2.875 73.02 0.340 8.64 - PU - PU PU PNU 10.50 - 2.875 73.02 0.392 9.96 - P - P P - 11.50 - 2.875 73.02 0.440 11.18 - P - P P - 3 1/2" 7.70 - 3.500 88.90 0.216 5.49 PN PN PN PN PN - 9.20 9.30 3.500 88.90 0.254 6.54 PNU PNU PNU PNU PNU - 10.20 - 3.500 88.90 0.289 7.34 PN PN PN PN PN PNU 12.70 12.95 3.500 88.90 0.375 9.52 - PNU PNU PNU PNU - 14.30 - 3.500 88.90 0.430 10.92 - P - P P PNU 15.50 - 3.500 88.90 0.476 12.00 - P - P P - 17.00 - 3.500 88.90 0.530 13.46 - P - P P - 4" 9.50 - 4.000 101.60 0.226 5.74 PN PN PN PN PN - 10.70 - 4.000 101.60 0.262 6.65 PU PU PU PU PU - 4 1/2" 12.60 12.75 4.500 114.30 0.271 6.88 PNU PNU PNU PNU PNU - 15.20 - 4.500 114.30 0.380 8.56 - P - P P - 17.00 - 4.500 114.30 0.380 9.65 - P - P P - 18.90 - 4.500 114.30 0.430 10.92 - P - P P - 21.50 - 4.500 114.30 0.500 12.70 - P - P P - 23.70 - 4.500 114.30 0.560 14.22 - P - P P - 26.10 - 4.500 114.30 0.630 16.00 - P - P P -
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Tel:0086-29-87572460
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0086-29-87572461
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Fax:0086-29-81127932

Tubing
OCTG Tubing/Tubing oil and gas that as per standard API 5CT and 5B.
Special material L80 13Cr Tubing is available.
Original premium connection CRA Tubing instock in all over the world.
2 3/8", 2 7/8", 3 1/2" K55, N80, L80, P110 tubing instock perennial effective.
Original premium connection have approved by National Quality Supervision,
Testing and Inspection Center of Oil Tubular GoodsChina Vigor, your best
choose for Casing and tubing manufacturers.