LONDON, July 22 (Reuters) - Northwest European gasoline refining margins fell by $2.07 to $39.06 a barrel on Wednesday, extending losses from the previous session as crude oil futures gained on worries of more supply disruptions because of the U.S.-Iran war.

• A total of 7,000 tons of Eurobob E5 barges traded on Argus, with Exxon Mobil, Sahara, BP and Petroineos selling to Varo and Gunvor.

• A further 4,000 tons of Eurobob E10 barges traded, sold by Shell and Finco to BP.

• Petroineos also sold an E5 barge to Trafigura in the Platts window.

• Kyrgyzstan has agreed to build a $25 million mini oil refinery in the south of the country as it seeks to boost domestic fuel production and reduce reliance on imports amid tightening supplies from Russia.

• Two oil tankers carrying Saudi crude to Asia reversed course in the Red Sea on Tuesday after threats from Yemen's Iran-aligned Houthis, as a widening Middle East conflict disrupted shipping through two of the world's most critical energy chokepoints.

• The Dangote refinery, Nigeria's largest, has been undergoing maintenance work since July 10 due to issues with a steam generator, commodities analytics firm Kpler said earlier this week, reducing run-rates at its crude-processing and gasoline-producing units.