A&B Welding Services - Fabrication Services for the Oil and Gas Industry

Established in 1981, A&B Welding Services is a progressive manufacturing facility that prides itself on having an excellent reputation, primarily in the oil and gas industry, with customers from all over the world.

Accredited to ISO 9001:2008, modules D and D1 of the pressure equipment regulations and registered with First Point Assessment, we continually strive to please our customers, both old and new, with on-time deliveries, good quality products and services, and extremely competitive prices. Our flexible and loyal workforce provides the key to our continued success.

Structural, piping and pressure vessel fabrication services

Some of the products and services we offer include:

• Structural fabrication
• Piping fabrication
• Pressure vessel fabrication
• Fully coded welding services (carbon steels, alloy steels, stainless steels and exotics)
• Qualified welding inspectors
• Electronic survey engineers
• Complete manufacture, assembly and testing services
• Labour for hire (onshore and offshore)
• Site work
• Engineering services
• Repair and re-manufacture
• 10,000ft² general fabrication workshop with 10t overhead craneage
• 3,000ft² clean workshop for specialised welding

Offshore fabrication services

A&B Welding Services is experienced in all types of fabrication. In particular we specialise in structural fabrication, pressure vessel and tank construction for the oil and gas industry. Some of the fabrication work we are continuously involved in includes:

• Equipment skids (to DNV 2.7-1, BS EN 12079, etc.)
• Manifold frames
• Towers
• King posts for flare booms
• Well test flare booms
• Flare stacks
• Pressure vessels to ASME VIII and PD5500 codes
• BOP handling frames
• Tanks (pressurised and atmospheric)
• Slurry system
• Protection frames

Piping fabrications for the offshore industry

A&B Welding Services is experienced in all types of piping fabrications, from basic straight spools to highly complex spools for both low-pressure systems and extremely high-pressure applications. We pride ourselves on the high levels of pipefitting abilities our pipefitters achieve, which enables us to meet the most demanding of spool fabrications in our state-of-the-art computerised surveying equipment. This is used to check that our fabricated pipe spools meet the customer's specification.

Some of the piping work carried out by A&B Welding Services includes but is not limited to the following:

Surface crossovers for piping systems

A&B Welding is a specialist in providing surface crossovers used in piping systems. Crossovers are adapters that provide the interface between two piping systems with different connections. Crossovers are normally the last planned item in a project.

A&B Welding Services has well over 1,000 independent design reviews for different crossover designs and combinations. We have the expertise and contacts to supply your crossover requirements at extremely short notice (where other companies fail). All crossovers are manufactured, tested and certified to the customer's specifications.

Some of the crossovers manufactured by A&B Welding include, but are not limited to:

• Well testing and well servicing crossovers
• Production crossovers
• Any combination of flange, hammer union, hub or specialist connections
• Crossover spools
• Crossover elbows
• Crossover tee pieces
• Tee block crossovers    
• Reducing crossovers

All crossovers are delivered complete with a full certification package, including third-party IRC/COC, and are CE marked.