API 5CT Casing

Outer Diameter: Φ114.3mm – 508mm (4-1/2” – 20”)
Wall Thickness: 5.21mm – 20mm
Standard: API 5CT
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: BTC, LTC, STC, Premium connection and etc.
Length Range: R1, R2, R3
Available Coating: coating and color codes according to API 5CT
Package: Plastic caps on both ends to protect threads, hexagonal bundled with steel strips, each bundle will not exceed 3tons.

As a reliable API 5CT casing supplier, we supply high-quality API 5CT casing pipes for onshore and offshore oil & gas drilling projects worldwide. Our product grades cover H40, J55, K55, N80, L80, C90, R95, T95, C110, P110 and Q125. A variety of sizes, wall thicknesses and thread connections are available to adapt to diverse well conditions. Manufactured in compliance with API 5CT standards, our casings deliver outstanding collapse resistance, burst resistance, tensile strength and corrosion resistance for drilling, well completion and production operations. With strict quality control and full material traceability, we have completed delivery of numerous oilfield projects.

Product Features

High collapse resistance and burst resistance for downhole pressure control
Excellent tensile strength to support heavy casing strings
Multiple thread options: BTC, LTC, STC and premium connections
Wide range of steel grades for different well environments
Strict dimensional control and full material traceability
Suitable for surface casing, intermediate casing and production casing applications

Product Applications

Surface casing for shallow well section support and borehole stabilization
Intermediate casing for isolating unstable formations and abnormal pressure zones
Production casing for reservoir protection and long-term well integrity
Conductor casing for structural support during initial drilling
Liner strings for selective zone completion and depth extension

Product Specifications

Item	Details
Outer Diameter	Φ114.3mm - 508mm (4-1/2” - 20”)
Wall Thickness	5.21mm - 20mm
Length Range	R1, R2, R3 or customized
Grade	H40, J55, K55, N80, L80, C90, T95, P110, Q125
Connection	BTC, LTC, STC, Premium

Related Products

API 5CT Tubing is seamless pipe for oil & gas production inside casing, complying with API 5CT standard. Various grades for different well working conditions.