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Asia's refinery cuts are intensifying due to the war in Iran, putting jet fuel and diesel supplies at risk

Analysts and refinery sources say that Asian refining output is expected to fall in April and may as 'crude imports have hit a decade-low and the Iran War forces refiners into processing lighter grades. This will reduce diesel and jet fuel production by at least 1 million barrels a day.

The Strait of Hormuz closure has had the greatest impact on Asia. This region, which accounts for 37% of global refinery output, and normally sources two thirds of its?crude? from the Middle East. Run cuts at refiners have exacerbated the tight fuel supply in the area and kept prices high.

Kpler's preliminary data shows that crude imports into Asia will fall by 22% annually to 20.40 million bpd, which is the lowest level in 2016. This is despite refiners buying sanctioned Iranian oil and Russian oil on the sea, and paying record prices for alternatives from the Middle East.

The International Energy Agency reported that Asian refineries had to reduce their runs to 29.4 mbpd by 2.7 mbpd, and they are expected to further decrease to 28.6?bpd, and then 28.5 bpd, in April and may, respectively.

Consultancy Energy Aspects predicts that crude processing will drop to 28,4 million bpd by April and 28,7 million bpd by May from 30.4 millions?bpd during March.

Amir Abu Hassan is a senior oil analyst with consultancy FGE NexantECA. He said that the deepest cuts would occur in April, as Middle East crude supplies continued to be short. Alternative barrels are only expected this week.

Some analysts predict that the recovery will begin in June. However, this depends on the resolution of the conflict which keeps the Strait of Hormuz wide open.

North Asian Refineries

China, which has the largest refining industry in the world, has curtailed fuel imports since last month in order to maintain domestic supplies. The IEA estimates that Chinese refinery output was 14 million bpd for March, down slightly from 15.2 millions bpd during February, and at 14.8 million bpd per year on average through 2025.

The Chinese research firm Horizon Insight estimated China's throughput to be 13.4 million BPD in the week ending April 17 - down from 15.4 millions BPD in the week prior to the start of the war on February 28.

Horizon Insight analysts stated that the Chinese run-cuts are mostly at state owned refineries which have increased yields in transportation fuels to the detriment of naphtha used for petrochemicals and energy security.

Hassan, of FGE, said that the utilisation rate for refineries in South Korea and Japan will drop from its normal level around 70 to 80 percent to 65 percent by late April or early May. According to data from the Petroleum Association of Japan, Japan's refineries were operating at 68% of their designed capacity in April.

Hassan stated that the average refinery utilization rate in Singapore's energy hub has been below 50%. This is down from the usual 70%, Hassan added. Nithin Prakash, an analyst with Rystad energy, reported that Indian crude production fell by 13% in April compared to February.

LESS MEDIUM-SOUR CRUDE, MORE LIGHT GRADES COMING

According to Vortexa, of the 12 million barrels per day of crude oil that could not reach Asia due to the closure of the Strait of Hormuz in March, 8 million were medium density with high sulphur, or medium sours. Most Asian refineries have been designed to process medium sours to maximize diesel output.

As a replacement, Asian refiners bought light West Texas Intermediate and medium-sour Mars from the United States, Kazakhstan's light-sour CPC Blend, and sweet West African crude oil. These grades typically produce more gasoline or naphtha.

Vortexa data show that the share of Asia's crude oil slate containing light-sweet crude has reached a record-high of 21%. This is up from just 11% in February.

DIESEL, JET ?FUEL OUTPUT LOSS

Middle distillates, such as diesel and jet-fuel, have been lost at Asian refineries due to the switch in crude grades. Middle East crudes produce 60 percent of middle distillates compared to 40 percent for WTI.

Rystad's Prakash stated that a 1%-2% drop in Asian refining yields could result in a loss of between 250,000 and 500,000 bpd diesel and jet fuel supply. This, combined with the export restrictions imposed by some governments, and refinery run reductions, could reduce diesel and Jet Fuel availability in the short term by up to 1 million bpd.

Sumit Ritolia (Kpler's Modelling and Refining Manager) estimated that the total middle distillate supplies losses in April were between 1.8 and 2.0 million bpd. Most of this diesel.

He added that a lighter crude slate would lead to a lower use of secondary units, such as hydrocrackers and cokers, which are designed to upgrade residual gasoline into diesel.

(source: Reuters)