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Seamless Carbon Steel Oil Casing Pipe

  • Product Description

Standard: API Standard2: API 5CT Grade Group: API J55-API P110 Grade: API J55, API K55, API N80, API L80, API P110 Thickness: 3.68 - 6.88 mm Section Shape: Round Outer Diameter (Round): 1.9 - 4.5 inch Place of Origin: Hebei, China Application: Oil Pipe

  • Product Details

API5CT American standard and national standard oil casing pipe advantages disadvantages, specializing in the production of American standard oil casing pipe, oil casing prices, American standard geothermal well casing, drinking water well casing, oil special pipe is mainly used in oil and gas well drilling and oil and gas delivery, it includes petroleum drill pipe, casing, pipe, petroleum drill pipe is mainly used to connect the drill collar and bit and drilling. Oil casing is mainly used to support the borehole wall during drilling and after completion to ensure the drilling process and the normal operation of the whole well after completion.

  • Brief Introduction
TypeSize (O.D.)Nominal WeightW.T.I.D.CouplingO.DMin length
inmmLbf/ft Kg/mmmmmmmmm
NUE J55 L80 N80 P110 1.9048.262.754.093.6840.9055.8895.25
2 3/860.324.6066.854.8350.6673.02107.95
2 7/873.026.409.525.5162.0088.90130.18
3 ½88.909.2013.696.4576.00107.95142.88
4 1/2114.3012.6018.756.88100.54132.08155.58
EUE J55 L80 N80 P110 1.9048.262.904.323.6840.9063.5098.42
2 3/82 3/8 60.324.706.994.8350.6677.80123.82
2 7/873.02 6.509.675.5162.0093.17133.35
3 ½88.90 9.3013.846.4576.00114.30146.05
4 1/2114.30 12.7518.976.88100.54141.30158.75

Seamless Carbon Steel Oil Casing Pipe

API5CT American standard oil casing and national standard oil casing advantages and disadvantagesCarbon steel seamless tube specification.

The oil pipe is mainly used for drilling oil and gas Wells and oil and gas transportation, including oil drill pipe, oil casing and pumping pipe. The oil drill pipe is mainly used to connect drill collar and drill bit and transfer drilling power. Oil casing is mainly used to support the borehole wall during drilling and after completion to ensure the drilling process and the normal operation of the whole well after completion. The pumping pipe mainly carries oil and gas from the bottom of the well to the surface.The oil casing is the lifeline that keeps the well running. Due to different geological conditions, the downhole stress state is complex, and the comprehensive action of tensile, compressive, bending and torsional stresses on the pipe body, which puts forward higher requirements for the quality of the casing itself. If the casing itself is damaged for some reason, it can reduce production or even kill the entire well. The casing can be divided into different steel grades according to the strength of the steel itself, namely J55, K55, N80, L80, C90, T95, P110, Q125, V150 and so on. The steel grade used varies with well condition and depth. The casing itself is also required to have corrosion resistance under corrosive conditions.

The casing is also required to have crushing resistance in the place of complicated geological conditions. Oil casing is a kind of large-diameter pipe, which plays the role of fixing oil and gas well wall or well hole. The casing is inserted into the hole and fixed with cement to prevent the hole from collapsing and to ensure the circulation of drilling mud for drilling and production. Steel grades for oil casing: H40, J55, K55, N80, L80, C90, T95, P110, Q125, V150, etc.

Casing end machining form: short round thread, long round thread, trapezoidal thread, special thread, etc., used for oil well drilling is mainly used in the drilling process and to support the shaft wall after completion to ensure the drilling process and the normal operation of the whole well after completion.

Product Manufacturing Process

The Workshop

Cangzhou Steel Pipe Group (CSPG) Co., Ltd. No.92 JieFang East Road, Cangzhou City, Hebei, P.R.China.

has more than eighteen years history company which located in Lecong Iron and Steel World, a well-known steel distribution center in China, with superior geographical position and convenient water and land transportation. 

We are a direct-selling manufacturer specializing in the research and development of spiral steel pipes, steel spiral pipes, anti-corrosion steel pipes inside and outside. Since its inception, the company has been guided by a brand-new thinking of steel pipe product market based on the business philosophy of honesty, pragmatism and knowledge-seeking.

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We are based on a long-term cooperation with several major domestic steel company with an outstanding advantage is sufficient supply. Shorter the supplying period.

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