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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 refining sources predict that Asian refinery throughput will fall in April and may as crude imports reach a decade-low and the Iran war forces refiners into processing lighter grades. This reduces diesel and jet fuel production by at least one million barrels a day.

Asia, which is responsible for 37% of global refining and normally sources two thirds of its crude oil from the Middle East, has been the hardest hit by the Strait of Hormuz closure, with refiners cutting back on production, causing fuel prices to rise.

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 mmbpd, and then 28.5 mmbpd, in April and May.

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 "run" 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 supply. 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.

Horizon Insight, a Chinese research firm, estimates China's throughput at 13.4 million barrels per day (bpd) in the weeks to April 17 - down from 15.4 millions bpd the week before war began on February 28.

Horizon Insight analysts stated that the Chinese run-cuts are mostly at state owned refineries. These refineries have increased their yields of transportation gasolines, at the expense naphtha used for petrochemicals to ensure energy security.

Hassan, of FGE, said that the utilisation rate for refineries in South Korea and Japan will drop to 65% by late April or early May from its normal level between 70% and 80%. 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 has fallen below 50%. This is down from 70%, which was normal. Nithin Prakash, an analyst with Rystad Energy, stated that Indian crude production fell by 13% in April to 5.0 million bpd from February.

LESS MEDIUM-SOUR CRUDE, MORE LIGHT GRADES COMING

According to Vortexa, of the 12 million barrels per day of crude oil that were unable to be shipped to Asia due to the closure of the Strait of Hormuz in March, 8 million of those barrels per day were medium density with high sulphur, also known as medium?sours. Most Asian refineries have been designed to process medium sours to maximize diesel production.

As a replacement, Asian refiners bought light West Texas Intermediate, medium-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% for April-loading containers, up from just 11% in Feb.

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% of middle distillates compared to 40% for WTI.

Rystad's Prakash stated that a drop of 1% or 2% in yields in Asia's 30 million bpd refinery system 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 runs, could lead to a combined reduction of 1 million bpd diesel and jet in the short term.

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. The majority 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)