- Size: Tubing Coupling: 1.05” – 4-1/2”；Casing Coupling: 4-1/2” – 20”
- Standard: API 5CT & API 5B
- Grade: H40, J55, K55, N80-1, N80-Q, L80-1, L80-9Cr, L80-13Cr, C90, R95, T95, C110, P110 and Q125
- Product Specification Level: PSL1, PSL2, PSL3
- Thread Type: EU, NU, IJ, BC, LC, SC, Premium connection and etc.
- Service: To connect 2 joints of tubing or casing pipes
As a reliable supplier of OCTG Coupling, we supply API 5CT & API 5B casing and tubing couplings for global onshore and offshore oil & gas drilling projects. Our couplings are precision machined to strict API standards, covering a wide range of sizes, steel grades and premium thread types, to meet various wellbore connection requirements. With rigorous quality control and complete material traceability, our OCTG couplings have been widely delivered to numerous oilfield projects across the globe including the Middle East, Africa and Latin America.
Product Features
- Precision machined threads
- Full API certification
- Various material grades available
- Pressure tested for structural integrity
- Strict dimensional inspection
- Stock support for fast delivery
Product Applications
- Casing connection
- Tubing connection
- Oil & gas well completion
- Onshore & offshore oilfield drilling
- Well string assembly
Product Specifications
| Item | Details |
|---|---|
| Product Name | Casing Coupling / Tubing Coupling |
| Standard | API 5CT, API 5B |
| Size Range | 1.05" - 20" |
| Grade | H40, J55, K55, N80-1, N80-Q, L80-1, L80-9Cr, L80-13Cr, C90, R95, T95, C110, P110, Q125 |
| Thread Type | EU, NU, IJ, BC, LC, SC, Premium Thread |
| PSL | PSL1, PSL2, PSL3 |
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