Aug 21. Lukoil's petrochemical arm Lukoil-Neftekhim has suspended operations at Stavrolen in the Stavropol region due to power supply problems, the company reported Wednesday. Operations are expected to be resumed within four-five days. An accident at a substation on Tuesday "has resulted in operations being suspended at the enterprise and damage to some pyrolysis furnaces, which are the basis of process cycle at the enterprise" – the press release says.