Product Description
G105 3 1/2inch Grade G tool joints NC 38 API 5D/API 5DP Drill Pipe
A. S135 5inch Grade S tool joints NC 50 API 5D/API 5DP Drill Pipe
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.
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
2.OCTG Casing and Tubing Showcase
3.Casing and Tubing Facility
4.OCTG Casing and Tubing Quality Control
5.Packing and Transportation
5.Our Service
Chengdu Derbo Steel focus on octg casing,tubing,drill pipe,coupling and pup joints for project application for more than 10 years with good quality and reasonable price,has succeed to coopearated with Sheel,Lukoil and other famous oil&gas companies all over the world.
If you have any inquiry please feel free to contact us,we will provide you the most competitive and technical support.
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