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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

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

Drill Collar

Product: Drill Collar

Standard:API SPEC 7-1

Steel grade:AISI 4145H

Sizes:3 1/8" -- 11"

Connected Type:NC, IF, REG

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Casing And Tubing Coupling

Product:Casing and Tubing Coupling, Casing Coupling, Tubing Coupling

Application:Used for connect 2 joints of tubing or casing

Size:Tubing Coupling : 1.9'' - 4-1/2''

Casing Couping : 4-1/2'' - 13-3/8''

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

Surface:Whole Phosphating or inside phosphating and outside coating

Thread:NUE, EUE, STC, LTC, BTC etc

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Pup Joint

Product: Pup Joint, OCTG Pup Point

Application: Pipe Cut into different lengths used to connect 2 joints of tubing or casing

Size: Tubing Coupling : 2-3/8'' - 4-1/2'', Casing Couping : 4-1/2'' - 20', Length: 2, 3, 4, 6, 8, 10, 12 ft

Pipe Standard: API 5CT and 5B J55,K55,N80-1,N80-Q,P110, C95

Surface: Coating

Thread: BTC, LTC, STC

Special Service: Sweet Service, Sour Service, Anti-H2S, NACE MR0175/ISO15156

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