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Donal works on research and development projects focused on improving quality and safety of offshore chemical tanks

Donal Duggan is a Chartered Mechanical Engineer with over 14 years of industry experience in project management, design engineering, manufacturing and oilfield services. This includes over 7 years of delivering engineering projects for the offshore oil industry with Suretank Group Ltd. Initially as engineering manager, Donal spent 6 years managing the engineering department and was responsible for standard and non-standard products. This was a time of huge rapid expansion within Suretank which saw the business expand globally and into new markets. Donal then became Group R&D manager, responsible for new product introduction, cost reduction and product improvements across the full range of group products.

Donal now holds the position of Group Quality and Technical Manager at Suretank.

Offshore container manufacturer launches world first heated mud skip

Offshore container manufacturer launches world first heated mud skip

Suretank in joint partnership with Norwegian company Onsite Treatment Technologies (OTT) has developed a new heated mud container.
OTT is a complete supplier of high pressure pumping equipment for offshore well intervention and well pumping operations.

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Sure-Cool Offshore Reefer Container

At Suretank we've recently developed a range of refrigerated offshore containers to provide controlled conditions for the transportation of chilled or frozen food to offshore locations.The offshore containers are fully certified to DNV 2.7-1 (2013), EN 12079 and CSC. The units can be used for transport or storage of a range of products including frozen and chilled foodstuffs along with a range of general cargo. An integrated data logger provides records of operational temperatures from dispatch to delivery.The unit is rated for cargo in the range of -30°C to +30°C and has a high quality insulation system and with increased efficiency due to unique design and construction.A bespoke configurable design is available, with many options including internal lights, flashing beacon, 'man-trapped' alarm, shelving etc.The container can be constructed for use in Safe Zone, ATEX Zone 1 or Zone 2 and offered in a range of CSC sizes from 10' ISO to 20' ISO, along with non-standard sizes to suit specific requirements.The Reefer container is suitable for 380-460V, 3 phase + Earth, with either 50 or 60Hz supplies and are available from any of the Suretank global manufacturing sites including Thailand, Brazil, UK, Poland or USA.

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Safer offshore chemical tank, DNV 2.7-1 certified


In response to recent industry trends and following close discussions with key customers to listen to market requirements, Suretank has developed a new range of low profile tanks of various capacities. The new design optimises tank capacity within the offshore frame, whilst keeping the height below 1.8m which is an international threshold for working at heights.

The design includes many new features including a unique top & bottom design which provides full drainage, vessel fully removable for maintenance and a new stacking arrangement which is compliant with the latest industry requirements (including DNV 2.7-1, 2013).

The new design is easy to clean and allows clear access and visibility to all valves and fittings. The foot-print is ideal for shipping in a standard 40’ container, with 4-way fork pockets available depending on customer preference.

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New offshore container stacking system

New offshore container stacking system

Suretank has developed a new stacking design which is being rolled out following several incidents in the field. Safety in the offshore oil and gas sector is our principal driving force at Suretank and so we have made modifications to the design of the padeye to avoid the potential for snagging.

As with all of our products, the designs have been modified and agreed with DNV and comply to the latest DNV 2.7-1, (2013) code.

The ability to stack offshore tanks and containers is crucial to our customers given the space constraints and so it is important to point out that the modifications we have made will not inhibit this, the key, as with all of our work is that it makes the practice safer. The new padeye designs will be present on all new Suretank products including cryogenics tanks, helifuel tanks and the full range of offshore containers.



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