China's desert oilfield hits record: 8,080m deep core from 500m-year-old rock
China’s Fuman Oilfield in Xinjiang has extracted 26.86 million tons of oil and gas equivalent from ultra-deep formations beneath the Taklimakan Desert. Engineers also recovered rock cores from a record depth of 8,080 metres at the Zhentan-1 well. The rocks are estimated to have remained buried for about 500 million years, according to CNPC and CCTV.
We haven't written up this one. Times of India has the full story — the link below goes straight to it.