Our API experts guide your team through the complete certification lifecycle—from understanding the latest API requirements, closing technical and process gaps, developing controlled documentation, and implementing controls on the shop floor or in the field, to conducting internal audits and preparing monogram files and certification submissions.

API Q1 Consultancy

Petreltech supports manufacturers in building a comprehensive API Q1 Quality Management System aligned with the latest 10th Edition requirements. Our service includes risk assessment, contingency planning, supply chain control, design and development management, management of change, NCR and corrective action processes, and operational discipline to meet API’s stringent expectations for product manufacturing.

API Q2 Consultancy

We help service providers implement API Q2 Service Quality Management Systems for upstream operations. Petreltech ensures your organisation achieves full compliance in service execution, contingency planning, competency and awareness, service quality plans, risk management and control of outsourced activities for drilling, completions, interventions and well-construction activities.

API Monogram Product Specification Consultancy

Petreltech provides complete technical and documentation support for API Monogram licensing across major equipment categories. We help your team interpret requirements, control manufacturing processes and prepare monogram files that meet API expectations.

API 5L – Line Pipe

We help pipe manufacturers meet API 5L requirements for PSL-1, PSL-2 and PSL-3 production. Our consultancy includes manufacturing process control, mechanical testing, NDE, inspection, traceability, heat/lot identification, MTC preparation and certification package development.

API 5CT – Casing & Tubing

Petreltech supports OCTG manufacturers with full compliance for API 5CT. We help implement threading process validation, coupling control, NDE requirements, heat treatment management, drift and pressure tests, dimensional checks and complete monogram documentation packages.

API 6A – Wellhead & Christmas Tree Equipment

We help manufacturers meet API 6A design, material selection, PSL levels, performance requirements, NDE control, hydrostatic and PSL testing, and traceability. Our expertise covers surface and subsea wellhead and Christmas tree equipment.

API 16A – Drill-through Equipment

Petreltech assists manufacturers of blowout preventers (BOPs), rams, annulars, connectors and related components. We ensure compliance with design validation, material control, machining tolerances, welding and NDE, pressure testing, PR2 validation where applicable and PSL designations.

API 16C – Choke & Kill Systems

We support manufacturers of choke manifolds, kill manifolds, flexible hoses, piping assemblies and control systems under API 16C requirements. Our consultancy covers welding qualification, pressure testing, material certification, design control, documentation of MAWP/temperature ratings and monogram readiness.

API 17D – Design & Operation (Subsea Equipment)

Petreltech helps manufacturers meet the complex requirements of subsea control equipment, subsea connectors, trees, valves and well-completion systems. We provide support for advanced testing, engineering review (including FEA where applicable), material qualification, corrosion control, documentation and system-level validation.

Why Choose Petreltech for API Consultancy?

• 30+ years of practical Oil & Gas manufacturing, QA/QC and service operations experience.
• Deep knowledge of API Q1/Q2 and major Monogram programs with proven project track record.
• Practical, auditor-aligned documentation and implementation methods that work on the shop floor.
• Complete lifecycle support: Gap → System Design → Documentation → Implementation → Internal Audit → Monogram File → Certification.
• Experience supporting organisations across Singapore, Malaysia, India, Philippines, the Middle East and Asia-Pacific.
• Integration of AI and digital tools to streamline document control, NCR handling, risk registers and performance dashboards.