What we do

Integrated services across the energy value chain

Comprehensive engineering, procurement, inspection and construction solutions for onshore, offshore and deep offshore operations, delivered by specialists and trusted technical partners.

Supply & Procurement

Stocked inventory and a global supplier base that keep rigs running.

01

OCTG Supply

BOLTOG’s OCTG (Oil Country Tubular Goods) Division supports customers on a global scale. Whether requirements are for offshore or land-based applications, our broad-based inventory eliminates customers’ “down rig time”, and our financial commitment to inventory lets us support OCTG stocking programmes cost-effectively.

Our experienced OCTG specialists formulate a comprehensive, customised approach for projects worldwide. We supply tubing, casing and premium connections in seamless, welded, duplex, chrome and alloy grades.

02

Casing Accessories

A comprehensive range of premium casing accessories tailored to your operational requirements. Supported by our global supplier base and enduring technical partnership, we ensure competitive pricing and strict adherence to the highest quality specifications.

Technical partner: Top-Co

Engineering & Project Delivery

From FEED to handover, with the design rigour that saves cost downstream.

03

Facility Management (Onshore, Offshore & Deep Offshore)

We manage complex facilities across all environments through a full lifecycle approach, including:

  • Engineering (FEED & Detail Engineering)
  • Procurement, Installation, and Construction
  • Greenfield and Brownfield Projects
  • FPSO & Pipeline Project Management
04

Engineering, Design & Drafting

Flawless design engineering is vital for regulatory compliance, strict mechanical tolerances, and major savings in materials and construction. We provide a full spectrum of engineering, design, and drafting services to the highest international standards, so your facilities and pipelines are designed with precision and operational safety.

05

Consultancy & Training

Through strategic alliances with technical partners, BOLTOG fuses shared industry knowledge to offer world-class consultancy and specialised training. We provide “Best-in-Practice” solutions for drilling rig optimisation, production platform enhancements, marine system upgrades, and new facility designs.

Inspection & Asset Integrity

Independent inspection and protective systems that extend asset life.

06

Rig Inspection Services

Our dedicated team of full-time experts delivers highly flexible and customised rig inspection solutions. Operating through strategically located offices, we mobilise seasoned professionals rapidly, wherever and whenever they are needed.

In collaboration with OES Oilfield Services
07

Oil & Gas Facility Inspection / Audit

Guaranteeing quality and compliance across your supply chain and production lines:

  • Third-party and pre-shipment cargo inspections
  • Machinery, equipment, and production line QC/QA
  • Expeditor services and inspections on behalf of international agencies
08

Painting & Corrosion

End-to-end surface protection and corrosion prevention services:

  • Due diligence audits and specification reviews
  • Advanced surface preparation and blasting
  • Precision priming, painting, and DFT checking
  • Rigorous customer verification and final approval
09

Thermal Insulation

Strict, systematic thermal insulation protocols for long-term asset integrity:

  • Client specification review and optimal material selection
  • Best-practice surface preparation and sealing against water ingress
  • Comprehensive inspection, certification, and line register handover

Marine, Subsea & Pipeline

Offshore construction, subsea systems and pipelines from right-of-way to commissioning.

10

Subsea Engineering

Critical sub-marine engineering and infrastructure maintenance:

  • Subsea marine cable laying and ongoing maintenance
  • Power cable integrity and due diligence testing
  • Specialised diagnostics: Insulation, HV Power, Continuity, and OTDR (Fibre Optics)
11

Marine Construction

Robust marine infrastructure solutions and support:

  • Offshore pipe laying and platform construction/maintenance
  • Supply of work barges and support vessels with specialised lifting equipment
  • Subsea welding and blasting services
12

Pipeline Construction

End-to-end pipeline construction from groundwork to operational readiness:

  • Right of Way (ROW) Clearing
  • Precision pipeline laying and complex river crossings
  • Thorough pre-commissioning and final commissioning
13

Specialised Services (JV Associations)

Leveraging Joint Venture associations, we provide highly specialised niche services:

  • Pipeline & Cable Tracking and Locating
  • Pipeline Stabilisation and Anchoring
  • Splash Zone Protection
  • Supply Vessel and Rig Certification
How we deliver

One accountable partner, start to finish

A disciplined, standards-led process that carries every project from first review to final handover.

  1. 01

    Assess

    Due diligence audits, specification reviews and site surveys to define scope and risk.

  2. 02

    Engineer

    FEED and detail engineering, design and drafting to international standards.

  3. 03

    Procure & Build

    Global sourcing, installation and construction onshore, offshore and subsea.

  4. 04

    Inspect & Hand Over

    QA/QC, certification, commissioning and full documentation at handover.

Need specialists mobilised fast?

Tell us about your scope and our team will respond with a tailored proposal.