OCTG & Line Pipe

WPP carries a wide range of seamless carbon steel pipes used in wells in oil and gas industries. The extensive stock is only coming from leading Chinese manufacturers fully certified and approved by all end users.


Oil Country Tubular Goods (OCTG) Pipes are manufactured according to API 5CT, API 5B Specifications, Drill Pipes are manufactured according to API 5DP Specifications. Line Pipes are manufactured according to API 5L. Please check more details of specification on each column respectively.


Casing, is the structural retainer for the walls of oil and gas wells, Casing sizes from 4.5 to 20 inches O.D. inclusive, wall thickness from 5.21 mm to 14.15 mm.


Tubing, is used within the casing to convey the oil or gas to the ground surface, Tubing sizes from 1.660 to 4.5 inches O.D. inclusive, wall thickness from 3.18 mm to 12.70 mm.


Drill Pipe, is the seamless steel pipe used to drill the well by transmitting power to a rotary drilling tool from the surface to below ground level, the drill pipes cover sizes form 2 3/8 to 6 inches O.D. inclusive, wall thickness from 6.88 mm to 12.70 mm.


There are more pipes series we can offer, like anti-collapsing series, anti-corrosion series, and anti-heat series. They are available on application, be free to contact us via email or phone.