The oil situation probably became the tipping point when compounded with their monetary policies and price control efforts.
[0] https://tradingeconomics.com/venezuela/inflation-cpi
[1] http://www.macrotrends.net/1369/crude-oil-price-history-char...
[2] https://ycharts.com/indicators/venezuela_oil_production (barrels per day, average across the year, goes through 2016)
Hyperinflation is usually very, very high inflation. Original definition was 50% monthly inflation (this would be 600% annual, higher actually since it would be compounding). 30% annual inflation isn't hyperinflation (though it's certainly not good, and after several years could be catastrophic on its own).
https://tradingeconomics.com/venezuela/crude-oil-production
https://tradingeconomics.com/venezuela/inflation-cpi
Please, for a better comparative, view it with the 5 years window for the graphs.
Only after the government realizes they can't indefinitely finance their spending by printing money, then they turn to seizing wealth production, or do stupid things like price control. Then things get really ugly.
It's difficult to tell if statements are true without hard evidence and data to back the claim.