1.It is the reason why the wildcatter, the independent oilman whose test drillings might come up dry 20 times before gushing in the end, is an enduring Texas symbol.
4.Oil giants such as ExxonMobil and Chevron trod more gingerly into shalelands such as the Permian basin, not least because the wildcatters' expansionary zeal earned fracking a reputation for torching billions of investors' money.