Deep shale gas well in Dazu-Rongchang block, Sichuan Basin, TD 6,038m, tested 3.7 MMcfg/d from the Longmaxi shale in early Nov â17, the deepest commercial shale gas well so far in Sichuan. PetroChina (op), partners Sinochem + Chongqing Municipal (local) energy co. 
China, not found