| Item | Description |
|---|---|
| Product Name | Oil Well Casing Pipe |
| Standard | API 5CT |
| Type | Seamless Casing Pipe |
| Material | Carbon Steel |
| Steel Grades | J55, K55, N80, L80, P110 |
| Application | Oil Wells, Gas Wells, Offshore Drilling |
| Connection | STC, LTC, BTC, Premium Thread |
| Manufacturing | Hot Rolled / Seamless Process |
| Inspection | Hydrostatic Test, UT Test, Dimension Inspection |
Oil Well Casing Pipe is manufactured using high-quality carbon steel materials to withstand:
The casing creates a stable barrier between the wellbore and surrounding formations, helping prevent:
Different drilling environments require different casing performance.
Available grades:
Available connections:
Ensure:
| Comparison | Oil Well Casing | Tubing Pipe |
|---|---|---|
| Main Function | Support well structure | Transport oil/gas |
| Installation | Outside tubing | Inside casing |
| Pressure Type | External pressure | Internal pressure |
| Application Stage | Drilling completion | Production stage |
| Standard | API 5CT | API 5CT |
| Material | Carbon steel | Carbon steel alloy |
| Common Grades | J55/N80/L80/P110 | J55/N80/L80/P110 |
A:Oil Well Casing Pipe is a steel pipe installed inside oil wells to support the wellbore, isolate formations, and provide safe drilling operations.
A:Most oil well casing pipes are manufactured according to API 5CT standards, which define requirements for OCTG products.
A:Common grades include J55, K55, N80, L80, and P110, selected according to well depth, pressure, and environmental conditions.
A:Casing supports and protects the well structure, while tubing transports oil and gas from the reservoir to the surface.
A:Deep wells usually require higher strength grades such as N80, L80, or P110 because they provide better collapse and pressure resistance.
A:Yes. Manufacturers can provide customized sizes, wall thicknesses, steel grades, and thread connections according to project requirements.
A:Inspection usually includes chemical analysis, mechanical testing, hydrostatic testing, ultrasonic inspection, and thread inspection.
Contact us today for API 5CT Oil Well Casing Pipe solutions designed for your oil and gas drilling projects.
