Exhibition & Conference

13-16 September 2021

Singapore EXPO, Singapore

Technical Programme

1419.jpg
Alix Mouret

Business Development Manager

TechnipFMC

1418.jpg
Renaud Ledevehat

Business Development Director

TechnipFMC


15:00 - 15:30

Thursday, 19 September 2019

T1.9 Drastically reduce marine infrastructure through combinations of LNG transfer technology

With the fragmentation of the LNG distribution market, the predicted 18% growth of LNG demand in the next decade is expected to require the development of numerous new small-scale marine terminals for gas to power units, coastal communities and industries, and bunkering applications. The high CapEx and long site construction schedules of conventional jetty based transfer solutions have been a barrier to such opportunities, both physically, visually and by penalizing the economics.

The creation of TechnipFMC in January 2017 from the merger of two major LNG players brought a complementary set of technologies under one roof. This has been used to advantage to create a combined LNG terminal systems engineering and product development group to provide new solutions that drastically reduce the CapEx of LNG import infrastructure.

LNG flexible pipe technology either floating or submerged, subsea cryogenic pipe-in-pipe, together with swivel-based LNG loading systems, mooring technologies, and Emergency Release Systems were assessed and combined to address the fundamental functions for LNG transfer systems. Several LNG import architectures that minimize cost and improve flexibility are now available integrating feedback from end users. Comprehensive cost analyses of solutions identified the most suitable architecture for various scenarios of ship-to-shore distance and LNG flow rate.

Two categories of solutions emerged as the most efficient concepts for ship-to-shore LNG transfer.

  • Coflexip® LNG flexible pipe technology coupled with a prefabricated floating deck that provides the necessary interface to midship manifolds of conventional LNG carriers, provides an extremely versatile configuration with minimal work at site. This solution is particularly efficient from a CapEx perspective for small-scale LNG terminals and short to medium distances to shore.
  • TechnipFMC subsea cryogenic pipe-in-pipe, associated with a light aerial loading tower and conventional mooring systems, reduces capex for offloading conventional LNG carriers far from shore and/or at high flow rates.

All configurations allow site impact, permitting requirements, CapEx and schedule to be reduced versus a conventional trestle and jettyhead.

During development it became clear that the essential functions of LNG conveying, LNG carrier station keeping and LNG carrier fluid interface are highly interdependent and have to be addressed concurrently during design.

Whereas the LNG industry is seeking smaller and lower CapEx LNG terminals, TechnipFMC has combined the expertise of two leaders to develop optimized jetty-less LNG transfer solutions as a natural extension of preexisting core scope of supply. Several solutions are available that drastically reduce LNG transfer infrastructure CapEx without any single solution answering all needs. Each project is unique, many project specific parameters must be considered, and all essential functions shall be addressed in an integrated architecture from the early stage of a project to optimize cost savings.