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Case studies
In Service Internal Tank Inspections
Oil and Gas
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Project
In Service Internal Tank Inspections
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Type of facility
Offshore FPSO
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Industry
Oil and Gas
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Safety
No Man Entry
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Project efficiencies
In Service Inspection
Scope of Work
ACE were contracted by an Oil and Gas operator to perform internal tank inspections on board one of their Floating Production and Storage and Offloading (FPSO) Vessel in the North Sea. The client was initially looking for a drone service provider however after an initial consultation ACE advised that there is a better, safer and more cost-effective method.
Solution
Air Control Entech deployed a mini-ROV to perform visual and UT inspections within ballast and potable water tanks to remove the need to empty the tanks, isolate, ventilate and enter. Not only was a full visual inspection performed; the ACE inspection was also class society accredited and included UTM.
Results & Benefits
- In-Service Inspection of ballast and potable water tanks.
- No isolations, draining, ventilation, man entry, etc. required!
- No working at height required for any inspections works.
- Detailed reports issued within 7 days of demobilisation.
- Use of multi-skilled teams allowed the operator to benefit from multiple technologies being utilised without the need for more personnel.
- Project delivered on time with no disruption to ongoing operations.
Comparison
| Conventional Access | Air Control Entech |
|---|---|
 4-6 |
2 |
 £100k / Tank |
£10k / Tank |
 7 Days / Tank |
1-2 Days / Tank |
 Isolations, man entry, ventilation, draining of tanks. Non-Operable for > 14 Days |
In-service inspection |
 High Risk |
Low Risk |
 Low quality photos and UTM |
High resolution photos, video and UTM |
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