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API 5DP NC40 4″/3 1/2″ E75 / X95 / G105 /S135 oilfield drilling pipe
A. The drill rods comply with the provisions of API SPEC 5D & API SPEC7.
B. The grade of steel are determined according to the requirements of Group
1 & Group 3 of API SPEC 5D.
C. Drilling pipe joints at the same level comply with the provisions under the Standard
API SPEC 7.
API Oil Drilling Pipe
Standard: API 5D
Size: 60.3 ~ 168.3mm
API 5DP NC40 4″/3 1/2″ E75 / X95 / G105 /S135 oilfield drilling 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 for API 5DP NC40 4″/3 1/2″ E75 / X95 / G105 /S135 oilfield drilling pipe 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 of API 5DP NC40 4″/3 1/2″ E75 / X95 / G105 /S135 oilfield drill pipe 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
1. The drill pipes will be packed into bundles as 3×3, 3×4, 4×4 etc. loading into containers
after black painting and thread protectors installation.
2. For 40’ container, the max loading weight is 24 metric tons.
3. Usual loading port is Qingdao port.
Packaging & Shipping
1. Drill pipe strictly according to API standard, it’s high quality drill pipe.
2. If you found to quality problems within one month of the package returned.
3. 24 hours online customer service,feel free contact us
We also produce oil well control system such as BOP and drilling pipes, contact us for more details.
Detail Mechanical Property of the Drill Pipe:
|Group||Grade||Yield Strength||Tensile Strength|
Perfect Quality Control System laboratory
Wellhead Equipment Testing Lab:
Precision Measurement Lab:
X-ray flaw detection:
X-ray flaw detection equipment carry out the testing on the welding seam to guarantee the welding effect and insulating capability.
Heat conductivity coefficient test: