
Well testing, done well. Safe, efficient and expertly managed offshore well testing operations from James Fisher.
James Fisher delivers trusted, innovative solutions that make well testing safer, more sustainable and more efficient.
We provide the industry's most comprehensive offshore well testing support offering worldwide.
We ensure high-performance, reliable operations through the provision of advanced equipment, experienced personnel and rigorous safety management.
Customers around the world benefit from hundreds of years of collective well testing expertise within our team, enabling you to conduct pressure, flow and reservoir evaluation activities with confidence in high‑risk offshore environments.
Why James Fisher?


Zone 2 and Rig Safe certified equipment for personal safety and security of supply offshore

End-to-end operational support from highly-trained specialists

Reliable well test support for safe, controlled operations
We provide fully-integrated well test support solutions, including well test design planning with Digi Rig, high-volume air compressors, steam generators, heat suppression systems, heat exchangers, firefighting equipment and our PyroSentry™ and HeaterSentry™ range.
Digi Rig captures your asset in a single offshore visit to create a precise digital twin, helping your team plan with clarity, reduce uncertainty, and avoid costly surprises before stepping on-site
Our HeaterSentry™ and PyroSentry™ systems enhance safety during well flow operations, helping you mitigate the risks associated with high temperatures, hydrocarbons and fires.
For your rig cooling and heat suppression needs, our systems help you create controlled, repeatable and safe well test operations. Plus, our fleet of Rig Safe or Zone 2 - rated air compressors ensure a reliable, safe air supply to support well testing operations.
Customers trust us for the capabilities and experience of our multi-skilled technicians. They provide on-site or remote support to keep campaigns running smoothly, responding rapidly and troubleshooting where required.
James Fisher’s well testing offering helps you maintain uptime, minimise risk and meet regulatory requirements.
Case studies
How our bubble curtain, safety systems and environmental services supported major offshore projects.

Electrifying offshore rig drilling operations on sixth-generation semi-submersible
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Enabling single-vessel bubble curtain operations at Asian windfarm
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The new ST3100 air compressor delivers for leading EPCI in the US
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Stackable compressors for bubble curtains in Taiwan
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Project Greensand
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ScanTech Offshores HeaterSentry® provided improved well performance, zero discharge, and reduced carbon emissions
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ScanTech Offshore provides a well test solution in Azerbaijan
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Integrated marine services for East Anglia ONE construction
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News
Project updates and regulatory insights on offshore environmental protection.

James Fisher secures its first tidal energy project in Anglesey, UK
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Keeping the noise down at sea
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ScanTech Offshore creates bubbles to protect sea life
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ScanTech gears up for growth in well test support
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PyroSentry adds to the rig safety portfolio
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ScanTech Offshore’s innovative PyroSentry™ wins IADC safety award
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ScanTech Offshore shortlisted for safety award for innovative PyroSentry™ product
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New product addresses key safety issue for oil and gas drilling
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Contact our team to discuss project requirements or request a consultation.

