PetroChina Xinjiang Oilfield produces over 100 million tonnes of heavy crude oil worsted yarn

The Xinjiang branch of PetroChina, China's largest oil and gas producer, said it had so far churned out more than 100 million tonnes of heavy crude oil, thanks to its innovative technologies.The Xinjiang Oilfield Company said that it produced 4.32 million tonnes of heavy crude oil last year and has