Trusted API 5CT Compliance Services for OCTG Casing and Tubing:

In oil and gas drilling operations, casing and tubing integrity is essential to ensure wellbore safety and structural stability. At Petreltech, we deliver specialized services for API 5CT casing and tubing—including engineering review, inspection, and full compliance support.

From material sourcing to field deployment, our API 5CT compliance services help manufacturers, suppliers, and drilling contractors meet global standards and project specifications.

What is API 5CT?

API 5CT is the American Petroleum Institute’s specification for casing and tubing used in oil and gas wells. It outlines technical requirements for OCTG (Oil Country Tubular Goods), including manufacturing processes, grades, performance characteristics, and inspection procedures.

Key Elements of API 5CT Include:

  • PSL 1, PSL 2, and PSL 3 product specification levels
  • Pipe grades (J55, K55, L80, P110, Q125, etc.)
  • Mechanical and chemical property requirements
  • Threading, coupling, and end-finishing specifications
  • Hydrostatic, drift, and impact testing
  • Traceability, marking, and inspection guidelines

Our API 5CT Services for Casing and Tubing:

Petreltech provides comprehensive support across the API 5CT compliance lifecycle, from mill review to field readiness.

Material & Specification Review:

  • Guidance on selecting casing and tubing grades for well design
  • Evaluation of PSL level requirements based on service environment

Quality Assurance & Inspection:

  • Verification of material certificates (MTCs),

Testing & Certification Services:

Documentation for API monogram licensing and customer audits

Documentation & Traceability:

  • Compilation of full compliance document sets (MTCs, test reports, heat maps)
  • Support for supplier qualification and traceability systems
  • Data book preparation for regulatory and client review

Applications of API 5CT Casing and Tubing:

Our services ensure quality and compliance in various applications:

  • Oil and gas well construction
  • Vertical, deviated, and horizontal wells
  • Sour service and high-pressure formations
  • Onshore and offshore drilling environments

Why Choose Petreltech for API 5CT Casing and Tubing Services?

  • Proven expertise in API 5CT casing and tubing quality requirements
  • Strong documentation, audit readiness, and traceability
  • Global reach across Singapore, Middle East, and Southeast Asia
  • Internal Audits, Gap Assessment, 2nd Party factory audit support  

Get API 5CT Certified – Partner with Petreltech

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Petreltech – Your Partner in API 5CT Casing and Tubing Compliance