PETROLIO A 200 DOLLARI ?

ECCO LA SITUAZIONE DEI NUOVI GIACIMENTI SPIEGATA  IN QUESTO ARTICOLO. AL MOMENTO DI PETROLIO NE ABBIAMO IN STRAABBONDANZA E POI ABBIAMO LO SHALE OIL. TUTTAVIA VISTO CHE IL TEMPO CHE PASSA FRA LA SCOPERTA DI UN GIACIMENTO E LA PRODUZIONE è DI 5-7 ANNI POTREMMO AVERE UN COLLO DI BOTTIGLIA CHE POTREBBE SPINGERE AL RIALZO IL PREZZO DELL'ORO NETO ENTRO I PROSSIMI 5 ANNI!
Discoveries of new oil and gasfields have dropped to a fresh 60-year low, as companies put a brake on exploration and large fields have become harder to find.
  There were only 174 oil and gas discoveries worldwide last year, compared to an average of 400-500 per year up until 2013, according to IHS Markit, the research group. The slowdown in exploration success shows that the world is likely to become increasingly reliant on “unconventional” resources such as US shale oil and gas to meet demand for energy in future decades. 
The typical time from discovery to production is five to seven years, so a shortfall in oil and gas discoveries now implies tighter supplies in the next decade
Discoveries hit a six-decade low in 2015, and then dropped again last year to about 8.2bn barrels equivalent of oil and gas. The slowdown reflects both the cyclical cuts in exploration made by companies struggling to stay afloat after the drop in oil and gas prices since 2014, and the structural shift in the industry towards onshore shale and similar reserves, especially in North America.  Spending on exploration fell from $100bn in 2014 to $40bn last year, according to Wood Mackenzie, another research company. Chevron of the US cut its exploration budget from $3bn in 2015 to $1bn per year in 2016-17, and ConocoPhillips is pulling out of deep water exploration altogether. The discoveries of new fields compare to 190bn barrels equivalent of oil and gas that have been added to the estimated resource base of North America over the past 10 years, thanks to advances in technology that have made production possible from shale and other similarly challenging “tight” rocks. A shale well onshore can cost $4m-$10m and be brought into production in weeks, as opposed to five or more years for deepwater discoveries. 

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