BP is set to become the latest international major to quit drilling for shale gas in China because of poor exploration drilling results so far, Reuters reported on Thursday, citing three sources with knowledge of the plans. Back in 2016, BP and China National Petroleum Corporation (CNPC) signed a production sharing contract (PSC) for shale gas exploration, development, and production in the Neijiang-Dazu block in the Sichuan Basin in southwestern China. Later in 2016, BP signed a second PSC deal with CNPC for shale gas exploration at Rong Chang…