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Production has stopped at the Atrush and Sarsang blocks in the Kurdistan Region of Iraq, and output has been slashed at key fields in the south of the country.

Canada-based ShaMaran Petroleum Corporation, which holds stakes in Atrush and Sarsang, said that production had stopped at both fields as a precautionary measure due to “the deterioration in the regional security environment” related to the US and Israel’s conflict with Iran.

ShaMaran holds a 50% working interest in the Atrush Block and an 18% working interest in the Sarsang Block.

Erbil-headquartered HKN Energy is also a partner in both fields.

Prior to the latest shutdown, in the company’s most recent quarterly report, it said that Atrush had produced an average of 29,400 barrels a day (b/d) over the three-month period, and Sarsang produced 18,200 b/d.

Due to the field closures in Iraqi Kurdistan, it has been reported that exports to the Turkish port of Ceyhan via the Iraq-Turkiye pipeline have fallen to zero while all of the crude produced in the region is used domestically.

Iraq’s Rumaila field, in the south of the country, is also being severely impacted by the ongoing conflict.

On 3 March, the decision was taken to completely stop production at the South Rumaila field, after Iran’s Islamic Revolutionary Guard Corps declared the Strait of Hormuz closed.

The Rumaila oil field, which is made up of North Rumaila and South Rumaila, is the second-biggest oil field in the world.

The oil field normally has the capacity to produce around 1.2 million b/d, but has cut production by at least 700,000 b/d due to overloaded storage.

Also in the south of the country, there have been cuts to production at the West Qurna-2 and Maysan fields.

Several other Iraqi oil and gas fields have shut down recently amid the US and Israel’s ongoing war with Iran.

The Shaikan field in northern Iraq’s semi-autonomous Kurdistan region has stopped production due to security concerns.

The field is operated by London-listed Gulf Keystone Petroleum, which has said in a statement that it had “temporarily shut-in production operations and has taken measures to protect staff in light of the developing regional security environment”.

Shaikan is one of Iraqi Kurdistan’s largest producing fields and produced more than 41,500 barrels a day in 2025.

The production stoppage at Shaikan came days after gas production was halted at Iraqi Kurdistan’s Khor Mor field on 28 February.

UAE-based Dana Gas stopped supplying power plants from the field due to the “abnormal situation and war taking place in the area”, according to a joint statement from the Kurdistan region’s natural resources and electricity ministries.

The gas halt is expected to cut electricity generation capacity by 2,500-3,000MW, with authorities seeking alternative supply to limit the shortfall, the ministries said.