A wave of very large crude carriers (VLCCs) is heading to the US Gulf Coast, signaling that the global market is positioning for a near-term increase in US crude exports. The question is whether energy companies can meet that demand – particularly in the short term.
The answer is nuanced. While there is sufficient crude in aggregate, the ability to deliver barrels to water is constrained by both supply dynamics and export infrastructure.
On the supply side, US crude production growth has slowed materially. Active oil-directed rigs have declined from 489 in April 2025 to 392 as of April 2026 (see figure above from East Daley Analytics’ Energy Data Studio), and crude output has increased by just 150 Mb/d over the same period. The dynamic suggests that incremental export demand arriving today is not being met by new production. Instead, it must be satisfied through inventory draws.
US crude inventories (including the Strategic Petroleum Reserve) total ~893 MMbbl, providing a sizable buffer. These stocks are sufficient to support a temporary surge in export demand. However, this is a stock-driven response, not a reflection of underlying production growth.
In the Crude Hub Model, East Daley forecasts that US crude supply will increase by 500 Mb/d from 2026 to 2027, with more meaningful growth emerging after Permian Basin gas takeaway constraints are alleviated. Until then, inventories will need to bridge the gap.
Even if barrels are available, export capacity introduces a second constraint. Most US crude exports flow through the Gulf Coast (PADD 3), where Corpus Christi serves as the primary outlet for long-haul international shipments. There are seven major docks in Corpus Christi, but only two – Enbridge’s Ingleside Energy Center (EIEC) and Gibson Energy’s South Texas Gateway (STG) terminal – are capable of directly loading VLCCs (historical and forecasted throughput for the two terminals is shown above in Energy Data Studio).
This distinction is critical. While smaller vessels such as Aframax and Suezmax tankers can load at other docks, VLCCs require either direct loading at EIEC and STG, or a secondary offshore process known as reverse lightering. Lightering adds both time and costs, reducing the efficiency of export flows and making these alternative docks less competitive for large-scale movements.
In practice, this means that despite ample nameplate capacity across Corpus Christi, only about 500 Mb/d of capacity is available for direct VLCC loading. That creates a potential bottleneck. Not all VLCCs can be efficiently loaded if a large number arrive simultaneously, producing friction in the system through longer wait times, higher logistics costs, or the need to reconfigure cargoes.
Bottom Line: The influx of VLCCs into the Gulf reflects bullish sentiment on US crude exports, but near-term realities suggest a more constrained outcome. Export growth in the coming months will rely on inventory draws rather than production gains, and the ability to execute will be limited by the availability of VLCC-capable dock capacity. Together, these factors point to a system that can meet incremental demand – but not without operational and economic tradeoffs. – Rob Wilson, CFA Tickers: ENB.
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