How to determine whether the quality of drill pipe is qualified?

The following are some common methods to determine whether the quality of drill pipe is qualified:

1. Appearance inspection:

Observe whether there are cracks, scratches, corrosion and other defects on the surface.

2. Dimensional measurement:

Check whether the diameter, length and other dimensions are in accordance with the standard.

3. Thread inspection:

Ensure that the shape, size and accuracy of threads meet the requirements.

4. Material inspection:

Verify whether the material composition and properties meet the use conditions.

5. Non-destructive testing:

Such as ultrasonic, magnetic particle flaw detection, etc. to detect internal defects.

6. strength test:

Evaluate the load bearing capacity of the drill pipe.

7. Bending performance test:

Check the performance under bending action.

8. Sealing performance test:

Confirms the sealing effect of the joint.

9. abrasion resistance test:

Adapt to the drilling needs of different formations.

10. Brand and reputation:

Choose well-known brands and products with good reputation.

11. Factory inspection report:

Check the relevant inspection reports and quality documents.

12. Compare different suppliers:

Understand the quality level of other products in the market.

13. User evaluation:

Refer to other users' feedback and evaluation.

14. quality certification:

Such as ISO certification, etc. 15.

15. Supplier strength:

Including production capacity, technical level, etc.

When purchasing drill pipes, comprehensive consideration of the above factors can help determine whether its quality is qualified.

Geological drill pipe