SafeSTS pioneers step-change in ‘green’ technology for ship-to-ship transfers

Aug 12 2021


A revolutionary new ship-to-ship cargo transfer system has been developed and patented by SafeSTS for the Dynamic Positioning (DP) shuttle tankers sector.

The innovation provides greatly increased flexibility and efficiency for the export of oil from offshore fields in the world’s most challenging offshore environments.

 

Traditionally, these shuttle tankers are only used in DP mode to load from floating production, storage and offloading platforms, with subsequent transfer to export tankers taking place in side-by-side ship-to-ship transfer operations. 

 

However, the SafeSTS Transfer Via buoy Terminal (TVB) is designed to enable export tankers to load or discharge at a single point mooring (SPM) type terminal, with the DP shuttle tankers discharging in DP mode whilst keeping at a pre-determined distance of circa 150 metres from the export tanker. 

 

In the event of squalls or other environmental events, system stability is provided by the export tanker hold-back tug, whilst the DP shuttle tanker independently holds station in relation to the export tanker.

 

The TVB Terminal has no subsea structure apart from anchors and chains, and with the dual-carcass floating hoses containing the oil always visible on the surface, regular maintenance and inspection is easily conducted without the use of specialist underwater personnel and equipment.

 

The TVB Terminal can be located close to the production fields to provide both exceptional operational availability and increased commercial and environmental capability. With its capacity to handle 20 operations per month, VLCC tankers will only need to moor once to the TVB Terminal, to then be loaded by multiple consecutive DP shuttle tankers with various sized cargo volumes.

 

Recognising that not all DP shuttle tankers can discharge through the Bow Loading System (BLS), SafeSTS, along with Gall Thomson, has co-developed the PTX Release. This is an emergency release system that can be integrated into a vessel’s Emergency Shutdown System (ESD), facilitating discharge or load through a vessel’s standard manifold in DP mode.

 

SafeSTS Chief Executive Yvonne Gilchrist-Mason OBE believes the TVB Terminal system heralds a long awaited leap in global ship-to-ship transfer technology, saying:

 

“When compared to all other transhipment options, this concept delivers safety, commercial, and efficiency benefits as well as a potentially significant reduction in greenhouse gas emissions, thereby contributing to climate change targets under the Paris Climate Agreement.   

 

Whilst the system is primarily aimed at existing markets, the concept has the capability to create new opportunities in areas where DP shuttle vessels have not previously operated, and where environmental conditions restrict traditional offshore ship-to-ship transfers.”

 

Based in Diss, Norfolk, SafeSTS is an international lightering company which manages ship-to-ship transfers from 16 locations around the world. All such operations are undertaken in line with Marpol Chapter 8 and the latest ICS/OCIMF guidelines. 

 



Related News

SafeSTS & Gall Thomson launch active emergency release system for ‘Vision Zero’

(Sep 16 2021)

Unexpected mooring breakouts have always been recognized as the biggest risk during offshore STS operations. From developing new ways to mitigate the risks to crew at the mooring stations and the hose manifolds, as well as to the environment, from un...



Tanker stopped for attempting illegal ship-to-ship fuel transfer in Eastern Johor

(Aug 02 2021)

The Malaysian Maritime Enforcement Agency (MMEA) stopped a tanker for attempting an illegal ship-to-ship fuel transfer in the eastern Johor waters.



SafeSTS establishes new bases to meet growing international demand

(Jul 09 2021)

In the last two months, international ship-to-ship transfer company SafeSTS has established new operational bases in Scapa Flow and in Panama to meet the growing international demand for its services.



SafeSTS and Trelleborg pool expertise

(Jun 25 2021)

SafeSTS Transfer Technology Limited (SafeTTL), a specialist provider of market-leading hardware and software solutions, which facilitate the secure transfer of oil and derivatives between vessels, has been appointed as a UK distributor of Trelleborg’...



Singapore: Consort Bunkers confirms ‘Pearl Melody’ in alleged unauthorised STS incident

(Jun 15 2021)

Singapore-based bunker supplier and logistics services provider Consort Bunkers Pte Ltd has confirmed its owned and operated bunker tanker to be involved in an alleged unauthorised ship-to-ship (STS) incident.



Aug-Sept 2021

Sea Cargo Charter - ship recycling - CO2 from tank cleaning - fixing damaged propeller blades