00681nab a2200193 4500 20260520004538.0 260224s2017 xxu ing Inglés A mixed picture abr. 2017 26/10/2017 ; 26/10/2017 1 p. ; 20-21 To date, only the US, Argentina, Canada and China have produced commercial volumes of shale gas or crude oil from tight reservoirs. But given the recent rise in oil prices, there are signs of action elsewhere. 842 Petroleum Review ARTICULO Davis, Brian 36157 191468 191468 0 0 0 0 259287 BAAB BAAB 2026-03-06 200063744 0 200063744 2026-03-06 00:22:02 2026-03-06 ARTICULO