Valero Energy's 424,000 b/d Port Arthur, Texas, refinery reported a process unit upset on Monday that prompted operations personnel to use flaring to minimize contaminant emissions, according to a regulatory filing with the Texas Commission on Environmental Quality.

China's Hengli Group, whose refinery unit was sanctioned by the U.S., adjusted the shareholding structure of its Singapore-based trading arm to shift control to a

US sanctions against Hengli Group’s refinery unit have raised questions over another subsidiary — one of China’s biggest shipbuilders. Hengli Heavy Industry Group and major shipowners with orders at the Dalian shipbuilder contend that newbuildings there are unaffected after the move by the administration of US President Donald Trump.

Attock Refinery Limited has shut its main crude unit after road closures disrupted tanker movement, affecting crude receipts and fuel dispatches. The refinery said the shutdown will remain in place until traffic restrictions are eased.

The fire in the crude distillation unit -- the main unit of a refinery -- was likely caused by a hydrocarbon leak from a valve or flange in a heat exchanger circuit

Add Yahoo as a preferred source to see more of our stories on Google. (Reuters) -The Kirishi oil refinery, one of Russia's largest, has halted a crude distillation unit, CDU-6, its most productive unit, following a drone attack and subsequent fire on ...

Company says US-Iran delegations’ visit halted oil tanker movement, disrupting crude supply, dispatches and operations

The gasoline unit not running at full capacity could spell trouble for the local market, as fuel prices have reached record-high levels and risen 65% at the pump from the impact of war in the Middle East.

The Singapore unit is responsible for the trading and sourcing of crude feedstock for Hengli’s China-based oil-processing plants among other businesses.