Telegraph.co.uk | Opec pleads for Russian alliance to smash oil speculators Telegraph.co.uk Mr al-Badri said the world needs an investment blitz of $10 trillion to replace depleting oil fields and to meet extra demand of 17m barrels per day (b/d) by 2040, yet projects are being shelved at an alarming rate. A study by IHS found that investment ... Oil falls to $30 on oversupply, China growth concern Oil Prices Rebound Above $30—Is a Rally Finally Here? Oil Crash Only The Tip Of The Iceberg |