Casing and tubing for Sour Oil and Gas Service must have a good anti-SSCC performance in the environment where hydrogen sulfide corrosion exists.
Product Descripation
Standard |
API 5CT/ ISO11960 |
|
Grade |
Group.1 |
H40/PSL.1, J55/PSL.1, J55/PSL.2, J55/PSL.3, K55/PSL.1, K55/PSL.2, K55/PSL.3, N80(1)/PSL.1, N80(1)/PSL.2, N80(Q)/PSL.1, N80(Q)/PSL.2, N80(Q)/PSL.3 |
Group.2 |
M65/PSL.1, M65/PSL.3, L80/PSL.2, L80(1)/PSL.1, L80(1)/PSL.3, L80(9Cr)/PSL.1, L80(13Cr)/PSL.1, C90/PSL.1, C90/PSL.2, C90/PSL.3, T95/PSL.1, T95/PSL.2T95/PSL.3 |
|
Group.3 |
P110/PSL.1, P110/PSL.2, P110/PSL.3, |
|
Group.4 |
Q125/PSL.1, Q125/PSL.2, Q125/PSL.3, |
|
Minimum Order Quantity |
20 Ton |
|
Outside Diameter Ranges |
Tubing |
1.05 inch to 4 1/2 inch or 48.26mm to 114.3mm |
Casing |
4 1/2 inch to 30inch or 114.3mm to 762mm |
|
Wall Thickness |
According to API 5CT Standard |
|
Length |
Tubing |
R1 (6.10m to 7.32m), R2 (8.53m to 9.75m), R3 (11.58m to 12.80m) |
Casing |
R1 (4.88m to 7.62m), R2 (7.62m to 10.36m), R3 (10.36m to 14.63m) |
|
Type |
Seamless |
|
Type of End-Finish |
Tubing |
P, I, N, U |
Casing |
P, S, B, L |
Detailed Photos
Applycation
The special oil pipe is mainly used for the drilling of oil and gas Wells and the transportation of oil and gas. The utility model includes oil drilling pipe, oil casing and oil pumping pipe. Oil drill pipe is mainly used to connect the drill collar to the drill bit and transfer drilling power.
Oil casing is mainly used to support the well wall during drilling and after well completion, so as to ensure the drilling process and the normal operation of the whole well after well completion. Suction tubing mainly carries oil and gas from the bottom of the well to the surface.
Oil casing is the lifeline of oil well operation. Due to different geological conditions, the underground stress state is complicated, tensile, compressive, bending and torsional stress act on the pipe body, which puts forward higher requirements on the quality of the casing itself.
Once the casing itself is damaged for some reason, the entire well may be reduced or even scrapped. According to the strength of the steel itself, the casing can be divided into different steel grades, namely J55, K55, N80, L80, C90, T95, P110, Q125, V150 and so on.
Different well conditions, well depth, the use of steel grades are also different. In the corrosive environment, the casing itself is also required to have corrosion resistance. In the place of complex geological conditions, it is also required that the casing has the performance of anti-collapse.
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