Russian Seaborne Crude Exports Fall as Refinery Runs Recover and Ports Face Disruption

Shipments retreat from recent levels

Russia’s crude exports are being squeezed by two forces at once: refineries are taking in more barrels, while attacks and tight tanker capacity are constraining loadings. Seaborne shipments fell to their lowest level since May, even as fresh refinery strikes could put more crude back on the export market. That combination makes the weekly figures harder to read as a simple measure of supply: refinery operations affect how much crude is available to ship, while port and tanker problems affect how much can actually leave.

Vessel-tracking data compiled by Bloomberg show Russia exported an average of 3.71 million barrels per day in the four weeks through August 9. In the latest week, flows dropped to 3.25 million bpd, from 3.5 million bpd the week before. The weekly decline is sharper than the four-week average suggests, but a single week can reflect the timing of loadings as well as changes in underlying supply. The direction is clear; the precise cause of each barrel’s delay is less so.

The decline followed a reported increase in Russian crude and condensate production of roughly 100,000 bpd in July, taking output above 9 million bpd. Stronger exports and improved refinery throughput had supported that gain. Production, refinery runs, and exports are related, but they don’t move in lockstep: crude can be processed at home, held in storage, or sent to a port, and each path depends on operating conditions. A higher production estimate therefore doesn’t guarantee that export volumes will rise in the same period.

Refineries had a brief respite from Ukrainian attacks in the second half of July. Operators used the pause to repair facilities and lift processing, keeping more crude at home. During that period, Ukraine shifted some attacks toward Black Sea tankers and storage sites. The shift matters because pressure on refineries and pressure on export infrastructure can pull flows in opposite directions: fewer refinery runs may release crude for shipment, while damage or disruption along the route can prevent those barrels from reaching buyers.

Export capacity remains the constraint

Novorossiysk, a major Black Sea outlet, has recently loaded crude at about half its peak rate following attacks on tankers near the port. Turkey temporarily restricted some Black Sea traffic, while Baltic shipments from Ust-Luga fell to about half their level from two weeks earlier. Together, these developments point to constraints across more than one route. A disruption at a major outlet can be difficult to offset quickly, particularly when other ports are also handling lower volumes or vessel movements are restricted.

Ukraine struck five Russian refineries in the first week of August and two more this week. Those outages could free crude for export, and Russia had already planned to raise August shipments from western ports as refinery downtime made additional barrels available. But the effect depends on how long facilities remain offline and whether the crude that would have gone into processing can be redirected. Refinery damage can change the intended destination of supply; it doesn’t create extra tanker space or restore port operations.

But extra supply won’t automatically translate into higher exports. Tanker availability in the Black Sea is tight, port capacity is limited, and repeated attacks have made loading and transit more difficult. That leaves Russia with fewer options for moving crude even if refinery disruptions release more oil. This is more significant than it looks: an export plan is only as workable as its weakest link, and a bottleneck in shipping can leave additional barrels waiting rather than earning export revenue.

There’s also a timing problem. Refinery outages can release crude quickly, while arranging ships, securing access to a port, and completing a loading takes coordination across the route. If those steps don’t line up, the market may see weaker exports first and any later increase only after logistics catch up. That said, the available figures don’t establish how much crude is being delayed at each stage.

Flows remain above last year’s average

Despite the recent pullback, seaborne exports are averaging 3.62 million bpd so far this year, around 280,000 bpd above last year’s average. Russia’s crude at sea fell to roughly 107 million barrels as shipments slowed, while deliveries to India remained strong. These figures describe different parts of the trade: the annual average gives a broader comparison, crude at sea captures oil already in transit, and deliveries to India show that at least one major destination continues to receive substantial volumes.

The crude-at-sea figure shouldn’t be read as a direct measure of how much oil is stuck. It reflects barrels that have left their initial loading points but haven’t yet reached their destinations, and its movement can be affected by both shipment timing and delivery schedules. The reported decline alongside slower exports is consistent with less crude being in transit, but it doesn’t by itself explain whether the change reflects fewer loadings, faster arrivals, or both.

Strong deliveries to India offer some evidence that Russian crude continues to find buyers, but they don’t resolve the transport constraint. A buyer’s demand can support flows only if cargoes can be loaded and carried. If you’re working in this space, the distinction matters: destination demand, export availability, and actual port throughput are separate signals, and a change in one won’t necessarily show up immediately in the others.

What to watch in the weeks ahead

The near-term balance will turn on whether refinery outages free more crude faster than ports and tankers can handle it. For now, the latest data point to export logistics as a material limit on how much oil Russia can move by sea. The key question isn’t simply whether more crude becomes available, but whether the shipping system can absorb it without further disruption.

Here’s the thing: the latest decline doesn’t erase the year-to-date increase, and the year-to-date increase doesn’t make the recent bottlenecks less relevant. Both can be true. Weekly flows may recover if loadings resume and vessels are available, or stay constrained if attacks and access limits continue. The source figures don’t settle which outcome will prevail.

And this is the part most people overlook: refinery strikes may shift the location of the bottleneck rather than remove it. More crude could be available for export while the same port and tanker limits keep shipments subdued. The next useful evidence will be whether weekly loadings rise, whether western-port plans translate into completed shipments, and whether deliveries continue at the reported strength. Not a forecast, but a practical way to read the next set of figures.