LNG Maritime Transportation: Past, Present, and Future
This paper examines the liquefied natural gas (LNG) maritime transportation industry across three dimensions: its historical development, its current structure, and its future trajectory. It explains the liquefaction process, the cost and efficiency advantages of maritime LNG shipping over pipelines, and the growth of global LNG trade since 1990. The paper profiles major publicly traded LNG carriers — including GasLog, Golar LNG, Teekay, Chevron, Mitsui OSK Lines, and Hoegh LNG — and compares their specialization strategies. It also distinguishes between Moss and Membrane vessel designs and discusses the emerging role of floating storage and regasification units (FSRUs). The paper concludes that, despite remaining infrastructural and logistical challenges, maritime LNG shipping is poised for continued growth as global demand for cleaner fuels rises.
- Introduction: LNG defined as cleaner, efficient maritime fuel
- LNG Carriers: Eight major publicly traded LNG shipping firms
- History of LNG Maritime Shipping: Growth and evolution of LNG shipping since 1990
- Details of the Industry: Company profiles and vessel technology comparisons
- Future of the Industry: FSRUs, floating production, and trade growth outlook
- Conclusions: Remaining hurdles and LNG's promising outlook
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What makes this paper effective
- The paper grounds abstract industry concepts — such as the liquefaction process and boil-off gas — in concrete, accessible explanations before introducing market data and company profiles.
- It balances breadth (covering multiple firms and vessel types) with analytical depth, comparing company strategies such as specialization versus diversification in a coherent framework.
- The historical-to-future arc gives the paper a clear narrative logic, using growth statistics (e.g., 7.5% annual trade growth since 2010) to link past trends to forward-looking projections.
Key academic technique demonstrated
The paper uses industry-level synthesis, drawing on academic journal articles, market analysis, and company data to build a multi-source argument. Rather than relying on a single source, it triangulates claims — for example, citing both Chen (2014) and Thomas & Dawe (2003) to corroborate the cost and volume advantages of LNG — demonstrating how to integrate heterogeneous source types in a research paper.
Structure breakdown
The paper opens with a definition and rationale for LNG, then briefly catalogs major industry players before moving into a dedicated history section. A detailed industry section profiles individual companies and vessel technologies. A forward-looking section addresses emerging trends such as FSRUs and floating production facilities. The conclusion synthesizes the strategic and environmental stakes. This structure — context → history → current state → future → conclusion — is a reliable model for industry-analysis papers.
Introduction
As the "cleanest-burning fossil fuel," natural gas is bound to become critical in the diversification of global energy portfolios (Chen, 2014). Liquefied natural gas (LNG) is natural gas that has been cooled to a temperature at which it becomes liquid (−160°C or −260°F) and then filtered, making it easier and more efficient to transport using maritime shipping methods. In fact, maritime shipping of liquefied natural gas costs less per mile than using pipelines — the other major method of transporting natural gas (Thomas & Dawe, 2003).
Liquefied natural gas can even be used as maritime fuel itself, potentially contributing to a more sustainable environmental footprint for the maritime transportation industry in general while also helping deliver natural gas from source countries to purchasing destinations that need the energy. Because of its potential to revolutionize energy in general and to specifically impact the maritime transportation industry, liquefied natural gas has been called the "fuel of the future" (Singh, 2016).
Demand for LNG is skyrocketing worldwide, but most merchant vessels continue to utilize heavy fuel oils (HFOs) for ship propulsion (Burel, Taccani & Zuliani, 2013), just as global energy portfolios remain heavily bound to oil-based fuels. Progressive and forward-thinking maritime shipping companies are starting to invest heavily in the capacity to carry LNG, and stand to profit if current market trends persist.
LNG Carriers
Currently leading the list of global LNG maritime carriers are eight publicly traded firms: GasLog Limited (NYSE: GLOG), Golar LNG Limited (NASDAQ: GLNG) and its subsidiary Golar LNG Partners LP (NASDAQ: GMLP), Teekay LNG Partners LP (NYSE: TGP), Mitsui OSK Lines Limited (OTCPK: MSLOY), Chevron (NYSE: CVX), Hoegh LNG (OTC: HOLHF), and Kirby Corporation (NYSE: KEX). Not all of these companies specialize exclusively in the maritime transportation of LNG, but all are LNG specialists in general. In addition to these larger firms, there are also smaller companies that aim to specialize in LNG carriers.
History of LNG Maritime Shipping
Compared with both the fossil fuel industry and the far older maritime transportation industry, the history of LNG — and especially of LNG in maritime shipping — is relatively young. Since 2010, LNG trade has increased at an average yearly rate of 7.5%, outpacing pipeline growth for LNG, which stands at only 4%, and also outpacing domestic natural gas production growth of 1.8% overall (Chen, 2014, p. 1). The process of liquefying natural gas is not revolutionary; it simply involves cooling the gas to the target temperature, a process that does require energy output and can be expensive. However, the result is a product with 600 times less volume than natural gas in its gaseous state (Chen, 2014; Thomas & Dawe, 2003).
Over the past 25 years, the cost of building and running LNG plants has been reduced considerably, enabling maritime shipping companies to enter the marketplace at the rate needed to accommodate increasing global demand. Condensing natural gas into liquid form allows greater quantities to be shipped in a smaller space and makes the gas much easier to transport than via pipelines. Progress has recently been made in improving the thermodynamics of LNG facilities and production, as well as the source-level extraction process (Thomas & Dawe, 2003). The shipping containers for LNG still require cryogenic refrigeration, and storage facilities require specialized equipment. Nevertheless, the maritime shipping of LNG has tripled since 1990 (Thomas & Dawe, 2003).
The growth in maritime LNG transport is due in part to the development of new types of shipping containers that are small, well-insulated, and specially designed for marine transport using existing transportation networks. The relatively recent emergence of global maritime LNG shipping has transformed the supply chain network, with a greater number of otherwise isolated and smaller countries — such as Trinidad and Angola — developing their own natural gas reserves specifically for use in maritime trade (Thomas & Dawe, 2003). The evolution of maritime shipping options for LNG has also meant that onshore and offshore reserves can be smaller, placing fewer cost and infrastructure demands on vendor countries and firms. Prior to the emergence of maritime transport for LNG, storage was a major cost and feasibility impediment, as massive storage tanks at both the sending and receiving ends were necessary.
References
Burel, F., Taccani, R. & Zuliani, N. (2013). Improving sustainability of maritime transport through utilization of liquefied natural gas (LNG) for propulsion. Energy, 57(1), 412–420.
Chen, X. Y. (2014). Investing in liquefied natural gas carriers: The future of natural gas. Market Realist. Retrieved from http://marketrealist.com/2014/05/working-overview-of-investing-in-lng-carriers-future-of-natural-gas/
"Fleet List." (2017). GasLog. Retrieved from
Golar LNG. (2017). Retrieved from http://www.golarlng.com/
Kronenfeld, D. (2012). 8 shipping companies profiting from the LNG boom. Seeking Alpha. Retrieved from
Singh, B. (2016). Liquefied natural gas (LNG) as fuel for the shipping industry. Marine Insight. Retrieved from http://www.marineinsight.com/green-shipping/liquified-natural-gas-lng-as-fuel-for-the-shipping-industry/
Thomas, S. & Dawe, R. A. (2003). Review of ways to transport natural gas energy from countries which do not need the gas for domestic use. Energy, 28(14), 1461–1477.
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