DANA Petroleum's Russian subsidiary, YoganOil, has successfully completed the first export of oil from its South Vat-Yoganskoye field, in Siberia, the company said yesterday. Dana said the net revenue from oil sales was being re-invested into YoganOil to continue its drilling programme. At the end of May, the company is set to take further shares in YoganOil, bringing its stake to 80 per cent.