A. The drill rods comply with the provisions of API SPEC 5DP & API SPEC7.
B. The grade of steel are determined according to the requirements of Group 1 & Group 3 of API SPEC 5D.
C. Drill pipe joints at the same level comply with the provisions under the Standard API SPEC 7.
OCTG Pipe Technical Parameter
| 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 |
30 Ton |
| OD |
Tubing |
1.66 inch to 4 1/2 inch or 42.16mm to 114.3mm |
| Casing |
4 1/2 inch to 20 inch or 114.3mm to 508mm |
| 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 |
| End-Finish |
Tubing |
P, I, N, U |
| Casing |
P, S, B, L |
Drill Pipe Feature:
A. High precision in size and shape
B. Good low temperature toughness
C. Excellent comprehensive mechanical properties
D. High connection strength and sealability
E. Large inside diameter of tool joint
F. High torque resistance
G. High fatigue strength and long fatigue life
Internal Coating Feature:
A. High abrasion resistance and low friction factor
B. Good adhesion and flexility
C. High application temperature and pressure
D. High hardness and impact resistance
E. Good corrosion resistance
Hardbanding Feature:
A. Good balance between antiwear and friction-reduction
B. The wear rate is less than 6% of that of bare tool joint, which can prolong 3 times of the Tool joint service life
C. Good property of friction-reduction, which can reduce the casing wear to the least, and its Wear to casing is less than 11% of that of bare tool joint
D. Reduce the torque of drilling string
E. Good weldablity with little splash and good rewelding preformance
F. Friendly to environment
Quality Control.
Our quality control department consists of experienced technicians. These personnel strictly control the whole production procedure, from introduction of raw materials to finish products. They ensure high quality products for our customers.
Your inquiry will be highly appreciated!
Please contact me without any hesitition if you have any problems of our products!
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