How many days will it take for the cheque to clear? <a href="http://www.sha-olc.com/articleRead.asp?id=879">approved pharmacy</a>  Some industry observers, such as Societe Generale SA oil analyst Michael Wittner, suggest rising tensions could cause Brent crude to spike to $150 a barrel if the Syrian conflict spills over to major producers, causing larger supply disruptions. Prices last approached that level in July 2008, when Brent hit an all-time high of $145.60.