- Multiple Very Large Gas Carriers (VLGCs) divert from Gulf of Oman to US Gulf Coast after supply disruptions in the Strait of Hormuz.
- Voyage times increase by 20-30%, raising operational costs for shipowners and affecting freight rates.
- Asian petrochemical sector faces force majeure declarations, driving urgent demand for alternative liquefied petroleum gas (LPG) sources.
Following recent disruptions in the Strait of Hormuz, several Very Large Gas Carriers (VLGCs) have been observed changing their routes from the Gulf of Oman to the US Gulf Coast. This strategic move, detected via Drewry AIS (Automatic Identification System) tracking, aims to secure liquefied petroleum gas (LPG) supplies as Asian buyers grapple with operational crises and supply chain instability.
CONTEXT AND BACKGROUND
The Strait of Hormuz is a critical chokepoint for global energy trade, handling approximately one-third of worldwide LPG shipments. Historically, VLGCs operate on routes between the Persian Gulf and Asia, which dominate both production and consumption. Any incident in this region, from geopolitical tensions to mechanical failures, can rapidly destabilise supply chains. Similar events in the past, such as the 2019 vessel attacks, have already demonstrated the fragility of these maritime corridors.
IN-DEPTH TECHNICAL ANALYSIS
VLGCs are specialised vessels with capacities between 70,000 and 85,000 cubic metres, designed for efficient LPG transport. Their operation requires precise planning due to cargo characteristics; LPG must be maintained at low temperatures and pressures. The change in course necessitates ballasting operations, where seawater is loaded as ballast to maintain stability when sailing empty. This affects voyage duration and fuel consumption, particularly on longer transatlantic routes.
The diversion to the US underscores the growing role of American shale gas in the global market. The US has become a key LPG exporter, offering a reliable alternative to traditional Middle Eastern sources. This shift highlights the sector’s adaptability in response to supply disruptions.
CONCRETE OPERATIONAL IMPLICATIONS
Shipowners must replan routes, increasing navigation days by approximately 20-30% for voyages from the Gulf of Oman to the US compared to Asian destinations. This elevates operational costs, including higher fuel consumption. Ports on the US Gulf Coast, such as Houston or Corpus Christi, could experience increased congestion. Port operators need to prepare for a rise in LPG cargo handling. Freight rates for transatlantic routes may face upward pressure due to heightened demand, benefiting shipping companies with modern, efficient fleets.
IMPACT ON THE LABOUR MARKET
There is anticipated greater demand for officers and crew with experience on gas carriers and long-distance routes. Competencies in LPG safety and cryogenic systems management will be crucial. Maritime training centres might develop specialised courses in VLGC operations and regulations like the IMO’s IGF (International Code of Safety for Ships Using Gases or Other Low-flashpoint Fuels) Code. This creates opportunities for seafarers seeking to transition into high-growth sectors.
MACRO CONTEXT
Geopolitically, tensions in the Middle East, including sanctions or regional conflicts, continue to threaten energy trade stability. Global regulations such as IMO 2020, which limits sulphur emissions, also influence shipping decisions by affecting fuel costs. Trends like the energy transition could accelerate LPG demand as a cleaner fuel, but current volatility underscores the need for supply source diversification.
OUTLOOK
In the short term, LPG prices may become more volatile, with potential increases in insurance premiums for routes through the Strait of Hormuz. Investors might consider opportunities in US export infrastructure or technologies for AIS monitoring and logistics. Long term, this could spur greater investment in LPG terminals in alternative regions, reducing dependence on the Middle East. However, any investment decision involves risks and requires detailed analysis.
FAQ
- What is a VLGC? – A Very Large Gas Carrier (VLGC) is a vessel designed to transport large volumes of liquefied petroleum gas (LPG), typically with capacities over 70,000 cubic metres, essential for global gas trade.
- What does ballasting mean in this context? – Ballasting refers to the process of loading seawater as ballast into a ship’s tanks when it travels without cargo, crucial for maintaining stability and safety during navigation.
- How does force majeure affect the petrochemical sector? – Force majeure allows companies to suspend contracts due to unforeseeable events, such as disasters or conflicts, which can halt production and create shortages of raw materials like LPG.
- Why is the US a viable alternative for LPG? – Due to the rise of shale gas production, the US has increased its LPG output, offering stable and competitive supplies that attract buyers during supply crises.
Editorial Note: This article has been professionally adapted from Spanish to British English
for the WishToSail.com international maritime audience. Original article published at
QuieroNavegar.app.















