Precautions for purchasing oil casing

Oil casing is a steel pipe used to support the well wall of oil and gas wells to ensure the normal operation of the entire oil well during the drilling process and after completion. So, how to choose oil casing?

The key controls are as follows:

1. Clarify the pipe type, steel grade, thread type, wall thickness, length range, weight, quantity and special requirements.

2. Clarify the casing standards, such as API standards, national standards, industry standards, enterprise standards, etc. When filling in the order conditions, the standards must be clear, and API pipes are generally used.

3. Check the sales, performance, quality, and service of similar products of the supplier in the past three years, and whether there are any bad records.

4. Clarify the quality inspection methods, implementation standards, inspection items, judgment standards and other matters of pipe materials.

5. Procurement is carried out strictly in accordance with the prescribed procedures and requirements.