China’s Fuman Oilfield, largest desert oilfield, extracts 26.86 million tons of oil and gas from below 6,000 metres; engineers recover 500-million-year-old rock core from record 8,080-metre depth in Xinjiang
China’s largest desert oilfield has extracted more than 26 million tons of oil and gas from ultra-deep formations beneath the Taklimakan Desert, marking a
