The casing string in the hole drilling, used to prevent the formation of formation fluid flow and collapse.
The tubing string into the production casing, components of underground reservoir and the ground channel, control of crude oil and natural gas flow.
type | Api Casing And Api Tubing For Oil Well |
OD: | 21mm-1220mm |
Wall thickness | 2mm-60mm |
Standard | SY/T5037, SY/T5040, GB/T9711.1 ,GB/T9711.2 ,ASTMA53, ASTMA252, and API SPEC 5L |
Material | Q235B,Q345B,20#,10#,A53 |
Coatiing | zinc coating, FBE, 3PE, 2PE thermal insulation c. |
Application | Petroleum, power, gas, chemical and medical equipment, construction, bridge, power engineering |
Min order quality | 1tons |
Productivity | 20000tons/month |
Equipment | Most advanced |
Deliver time | According to customers’ requirement |
Quality | First grade,high quality |
Assurance | Production ,dimension ,inspection according to standard that required |