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Our Services

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Non Destructive Testing

Conventional and advanced NDT services for welds, pipelines, tanks, vessels, and critical assets.

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Plant & Pipeline Inspection

Integrity-focused inspection, monitoring, and maintenance planning for plant and pipeline systems.

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Welding Inspection

Independent welding quality surveillance, WPS/PQR support, and welder qualification oversight.

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Fabrication & Maintenance

Structural fabrication, piping works, repairs, and planned maintenance for onshore and offshore assets.

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Calibration Services

API and ISO-aligned tank calibration with precise volumetric table development and reporting.

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Borehole & Water Treatment

End-to-end borehole drilling and treatment systems for safe, reliable, and sustainable water supply.

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Tank Cleaning & Calibration

Integrated cleaning and calibration for storage tanks to restore performance and measurement accuracy.

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Tank Integrity Test

Comprehensive integrity testing to detect defects early and sustain safe tank operations.

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Equipment Sales & Leasing

Sales, leasing, load testing, and certification support for lifting and industrial equipment.

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Technical Manpower Supply

Deployment of certified technical personnel for inspection, maintenance, and project execution.

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Technical Training & Certification

Industry-aligned technical training and certification programs with practical competency focus.

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Desanding & Steam Cleaning Services

Specialized desanding and steam cleaning for pipelines, tanks, and process equipment.

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Why Clients Trust Our Delivery

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Certified Competence

Our personnel are qualified across PCN, ASNT, ISO 9712, CSWIP, API, AWS, ACCP, IRATA, and NACE frameworks to deliver inspections and execution to recognized standards.

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Quality Assurance Control

Every scope is managed through approved procedures, inspection test plans, hold points, and documented QA dossiers to ensure full traceability from mobilization to handover.

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Rapid Field Mobilization

From planned shutdowns to emergency interventions, our teams deploy quickly with HSE controls, calibrated tools, and competent supervision to reduce downtime.

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Integrated Service Capacity

We combine NDT, fabrication, welding inspection, coating, calibration, and maintenance support in a single delivery model that improves interface control and execution efficiency.

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Do You Have Any Questions?

How do you assure fabrication quality before handover?

Every package follows an approved ITP with hold points for dimensional checks, visual inspection, NDT, and test witness. We only release scopes after complete QA dossiers and client sign-off.

Can you execute emergency maintenance during live operations?

Yes. We mobilise emergency teams quickly with pre-planned method statements, risk controls, and permit-to-work alignment to restore integrity while minimising production downtime.

Which codes and standards do your teams work to?

Our execution aligns with client specifications and applicable industry standards, supported by qualified weld procedures, certified inspectors, and coating control practices including DFT and holiday testing.

Do you support long-term maintenance frameworks?

Absolutely. We provide recurring maintenance programs with planned inspection cycles, KPI reporting, and dedicated engineering support to improve reliability over the full asset lifecycle.

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What Our Clients Say

Chinedu Okafor

Operations Manager, Offshore Asset

Danholsen handled our structural repairs under a tight shutdown window and delivered with zero safety incidents. Their weld quality, NDT coordination, and documentation were excellent from kickoff to closeout.

Amina Bello

Project Engineer, Pipeline Contractor

Their spool fabrication and tie-in support were technically sound and on schedule. Fit-up accuracy was strong, hydrotest packages were complete, and site integration was smooth.

Tunde Adeyemi

Maintenance Superintendent, Process Facility

From corrosion remediation to coating QA checks, the team maintained high standards throughout execution. We now rely on Danholsen for both planned scopes and urgent interventions.