OCTG

We are committed to providing one-stop service for steel pipe products to customers around the world.

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OCTG

We are committed to providing one-stop service for steel pipe products to customers around the world.

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OCTG

OCTG main products include:casing,tubing,drill pipe,drill collar, heavy weight drill pipe,slotted pipe, coupling and pup joint.
(1)Casing is a large-diameter pipe that serves as the structural retainer for the walls of oil and gas wells, or well bore.size:OD: 4 1/2’’ ~ 20’’ (114.3mm ~ 508mm);WT: 0.205’’ ~ 0.635’’ (5.21mm ~ 16.13mm);LENGTH: R1, R2, R3
(2)Tubing:The tubing is a pipeline that transports crude oil and natural gas from the oil and gas layer to the surface after drilling is completed. It is used to withstand the pressure generated during the mining process.Used for the Transmission of Oil & Gas
(3)Drill pipe:Oil drilling pipes are made by geological drilling steel by hot rolling or cold drawing. Grade: E75, X95, G105, S135. Mainly used for oil and gas exploitation.
(4)Drill Collars:Standard :API SPEC 7-1,Steel grade:AISI 4145H,Sizes:3 1/8″ — 11″,Connected Type:NC, IF, REG,Length:30 – 31 ft ± 6 ft.
Type of design:(1)plain;(2) with a recess of the elevator; (3) with a recess of the elevator and power slips; (4) spiral and a wide range of type mixtures.
(5)Heavy Weight Drill Pipe:Standard:API 5DP, API SPEC 7-1,Grade:API 5DP Grade DZ50, E75, R780, X95, G105, S135
Sizes:2 3/8”, 2 7/8”, 3 1/2” 4”, 4 1/2”, 5”, 5 1/2” up to 6 5/8” Range of Thickness: 6.5mm to 12.7mm, or cutomized,Connection threads:NC26, NC31, NC38, NC40, NC46, NC50, 5 1/2FH.6 5/8FH,Length:R1, R2, R3
(6)Slotted Pipe:Standard:API 5CT,Grade:API J55, API K55, API N80, API L80, API P110,Thickness:6.88mm – 11.51mm,Sorts:API casing,Length:≤15m (each),Outside Diameter:50~200mm,Slot Width:(0.10~4)mm ±0.03mm

  • API Casing

    API Casing

    ApplicationOil well casing serves as well sidewall

    Pipe StandardAPI SPEC 5CT

    SizeOD: 114.3-508mm,WT: 5.21-16.13mm

    Process Type: Seamless (SMLS), Electric Resistance Welded (ERW)

    Grade: J55, K55, N80-1, N80-Q, L80-1, L80-9Cr, L80-13Cr,C95, P110.

    Thread types:STC, LTC, BTC, special clearance, XC, VAM TOP, NEW VAM.

  • API Tubing

    API Tubing

    Dimension range (OD inch): 1-1/2”----4 1/2”

    Dimension range (OD mm): 26.67----114.3

    Type of upset: NUE, EUE, Plain end.

    Standard: API SPEC 5CT

    Main Steel Grade: H40, J55, N80, N80Q, L80, L80-1, L80-9Cr, L80-13Cr, P110 etc.

    Type of Tubing: Non-upset tubing (NU), External-upset tubing (EUE), Integrated Joint (IJ).

  • Slotted Pipe

    Slotted Pipe

    Application: Used as Walls Structural Retainers and Screen Pipes for Oil, Gas and Water Wells

    Specification: OD: 50mm - 500mm;WT: less than 20mm;LENGTH: less than 15m

    Slot&Holes Specification: as customer require

    Standard & Grade: API , API5CT  J55/K55/N80/C75/L80/C90/T95/Q125

    Process Type: Seamless (SMLS), Electric Resistance Welded (ERW)

    End: Plain, Beveled, Square Cut, With LTC/STC/BTC/VAM Connection

    Surface: Anti-corrosion&water Painting

    Packing: Protection Caps in Both Ends, Waterproof Paper Wrapped

  • Drill Pipe

    Drill Pipe

    Application: Used for Mine, water well drilling, well drilling, coal and fore poling

    Size:OD: 60.32mm-168.28mm,WT: 6.45-12.7mm,LENGTH: R1, R2, R3

    Pipe Standard:API 5DP E75, X95, G105, S135

    Upset Style:IU, EU, IEU

    Connection:NC26 - NC50, 5 1/2FH, 6 5/8FH

    Internal coating:TK34,TC2000, Arnco 100XT, 200XT, 300XT

  • Heavy Weight Drill Pipe

    Heavy Weight Drill Pipe

    Application: Used for connect 2 joints of tubing or casing

    Size:Outer Diameter: 2 7/8” – 6 5/8”

    Lengths: Range 2 and Range 3

    Pipe Standard:API 5CT and 5B PSL1/PSL2  J55,K55,N80-1,N80-Q,API 5CT and 5B L80-1,C90, C95,T95, P110, Q125

    End Finishes:Internal Upset, External Upset, Plain End Upset, Non Upset

    Tool Joint type:NC38、NC46、NC50、5-1/2 FH

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