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Fracking’s Secret Problem—Oil Wells Aren’t Producing as Much as Forecast

An energy crisis looms as forecasts ignore US shale quality

State of the Oil Industry in Second Half 2018

What 52,000 Percent Inflation Can Do to a Country - NYT

Peering Inside the Permian - The Economist

How Much Spare Capacity Does Saudi Arabia Really Have? - OilPrice.com

America's shale industry faces constraints - The Economist

How Bad Off is Venezuela? - NYT

Oil and Gas Is Under Attack in Latin America - OilPrice.com

How Venezuela Ruined Its Oil Industry - Forbes

Carmaker's Electric Dreams Depend on Supplies of Rare Minerals- The Guardian

Saudi Arabia's Oil Reserves: How Big are They Really? - Reuters

The Problems with Petrobras - FT