
Aker BP is one of the largest independent oil and gas operators on the Norwegian Continental Shelf, developing and operating offshore fields across the North Sea. Separators — the vessels that split well-stream fluids into oil, gas, and water phases — sit at the heart of every offshore processing facility. When a project's separators are ultimately destined for an Aker BP platform, "approved supplier" isn't a marketing phrase — it's a specific, audited status the client grants to individual manufacturers after a formal qualification process. For procurement and engineering teams in Italy sourcing separators for this kind of work, understanding what that process actually involves is far more useful than searching for a badge.
This article explains what Aker BP vendor approval covers, the engineering baseline it's built on, and what to look for when qualifying a separator manufacturer for Aker BP-linked or -grade projects.
Aker BP maintains its own vendor qualification process, which involves a detailed audit of a manufacturer's quality management system, welding procedures, plate and material control, non-destructive testing capability, and documented fabrication history. That audit is typically carried out by the client's own engineering and inspection teams or a third-party inspection agency acting on its behalf, and the resulting approval is specific to the manufacturer.
Because this status is granted directly by Aker BP to a named manufacturer, it isn't something any supplier can claim without going through that process. What buyers researching suppliers can assess independently — before any formal audit — is whether a manufacturer's engineering and quality practices are already built to the level Aker BP requires.
Regardless of a separator's final destination, the technical requirements that underpin Aker BP-grade fabrication are largely the same requirements that govern quality separator manufacturing generally, with additional weight given to offshore-specific standards:
ASME Section VIII (Divisions 1 and 2) or EN 13445 governs the pressure-containing shell, with internals such as demisters, weirs, and coalescing plates designed to recognized separation engineering practice, and NORSOK standards and Aker BP's own engineering specifications layered on top for Norwegian Continental Shelf projects.
Full mill test certificates and heat-number traceability carried from raw plate through to the finished, welded separator shell and internals, with additional documentation for sour-service or low-temperature toughness requirements common in offshore process streams.
Design that accounts for internal pressure, retention time, gas-liquid and liquid-liquid separation efficiency, and offshore-specific factors such as motion loading and weight optimization, verified through calculation packages and, where required, finite element analysis.
WPS and PQR documentation, with welders individually qualified under ASME Section IX or EN ISO 9606, and additional qualification where NORSOK M-101 requirements apply.
Radiographic or ultrasonic testing of shell welds, along with magnetic particle and dye penetrant testing of nozzles and internal supports, with expanded scope where sour or offshore service demands it.
A full pressure test of the assembled separator before commissioning, carried out at the mandated test pressure with documented hold times.
Hold-point sign-off from an accredited inspection body such as Lloyd's Register, Bureau Veritas, TÜV, or DNV at critical stages of construction, with DNV frequently specified for Norwegian offshore work.
A manufacturer that applies this level of control as standard practice — not only on projects with a named end client — is generally the one positioned to succeed if and when a formal Aker BP audit takes place.
Notdstone manufactures customized separation and process vessels for demanding industrial applications, serving Italy, the GCC, and international markets, with more than three decades of engineering experience across the team. Our fabrication and QA/QC processes are structured around the technical baseline described above — documented material traceability, ASME IX-qualified welding, comprehensive NDT, and hydrostatic testing before delivery.
To be clear with buyers researching this topic: formal vendor approval with Aker BP is issued directly by Aker BP to specific manufacturers following its own audit process, and we're not claiming that status here. What we can speak to with confidence is the engineering rigor our separation and process vessels are built to on every project.
ASME Section VIII-compliant vessels engineered for safe containment under demanding pressure and temperature conditions.
TEMA-designed shell-and-tube units for heating, cooling, condensation, and energy recovery.
API 650/620-referenced tanks for liquids, gases, chemicals, and petroleum products.
Separation, distillation, absorption, and stripping columns engineered for process efficiency in chemical, petrochemical, and offshore production service.
Custom-engineered reactors for controlled chemical processing and reaction management.
Factory-assembled modular skids integrating vessels, pumps, piping, and instrumentation to compress site installation time.
It means the manufacturer has been formally audited and accepted by Aker BP, covering their quality system, welding procedures, and testing capability for separator fabrication.
ASME Section VIII or EN 13445 governs the pressure-containing shell, typically supplemented with NORSOK standards and Aker BP's own engineering specifications for offshore Norwegian Continental Shelf work.
For sour service, low-temperature, or corrosive offshore process streams, yes — NACE-compliant carbon steel, stainless steel, or other corrosion-resistant alloys may be specified for the shell and internals instead of standard carbon steel.
Yes, provided their code compliance, material traceability, and third-party inspection arrangements meet the project specification and export logistics support delivery of the fabricated equipment to the relevant fabrication yard or offshore site.
Ask for written confirmation of the approval status and its exact scope — which equipment categories it covers — rather than relying on a general claim.
If your project requires separators or other process vessels engineered to ASME or EN standards and manufactured under documented quality control, our engineering team can review your process requirements and provide a project-specific proposal. Get in touch with Notdstone to discuss your requirements.