info@tjpkorea.com

产品展示 / OUR PRODUCTS

您现在的位置:
OCTG(Oil Country Tube Goods)
Oil casing is a steel pipe used to support the walls of oil and gas wells, ensuring the normal operation of the entire well during and after the drilling process.

OCTG Casing pipe

                     and tubing

Oil country tube goods (OCTG) is a high-strength steel pipe used for crude oil and natural gas production, which has excellent corrosion resistance, internal stress, and corrosion cracking resistance. The quality and performance of OCTG oil casing products produced in countries and regions such as China, South Korea, and Japan are core component products in oil drilling sites such as Texas in North America, Saudi Arabia, the United Arab Emirates, Dubai, Abu Dhabi, Iraq, Iran, Oman, and Nigeria in the Gulf and Middle East.

OCTG Casing tubing(Seamless tube)


Specification



Processing form 

of 

pipe end


Grade

O.D

Designation of Diameter

(W.T)

Wall thickness

Use

API 5CT

Specification for oil pipes and casings

PE、NUE、EUE、STC

LTC、BTC、VAM etc.


J55、K55、L80

N80-1、N80A、P110、Q125


60.3mm - 508.2mm

4.24-22.23mm

Oil casing


LC80S、LC90S

LC95S、LC110S


60.3mm - 177.8mm

424-19.05mm

H2S resistant oil casing


Note



inch:2"、2-3/8"、2-7/8"、3-1/2"、4-1/2"


※ R1 (6.1m~7.32m)

※ R2 (8.53m~9.75m)

※ R3 (11.58m~13.72m)

※   API 5CT petroleum casing can be divided into seamless steel pipes and welded steel pipes. Welded steel pipes mainly refer to straight seam steel pipes, while large-diameter petroleum casing is generally submerged arc welded straight seam steel pipes. The main application countries of this product are mainly distributed in the Middle East, Europe and America.

OCTG Casing tubing (Welded Pipe)


Specification



Processing form 

of 

pipe end


Grade

O.D

Designation of Diameter

(W.T)

Wall thickness

Use

API 5CT

Specification for oil pipes and casings

PE、NUE、EUE、STC

LTC、BTC、VAM etc.

J55

60.3mm - 508.2mm

4.24-22.23mm

Oil casing

H2S resistant oil casing

K55
L80
N80-1
N80A
P110
Q125


Note



inch:1.9"、2-3/8"、2-7/8"、3-1/2"、4-1/2"、7"


※ R1 (6.1m~7.32m)

※ R2 (8.53m~9.75m)

※ R3 (11.58m~13.72m)