over the past period and at a comfortable level for all members , '' state news agency WAM quoted the minister as saying .
The OPEC , which pumps more than a third of the world 's oil , agreed , as expected , keep its 30 million barrels per day output ceiling steadyMovement.flatfor another six months .
Contango spread in Brent is steadyMovement.flatat 15 cents per barrel from a week earlier , while the WTI contango is at 24 cents a barrel , from 17 cents last week .
Elsewhere , gasoline futures were steadyMovement.flatat $ 1.747 a gallon , while natural gas futures roseMovement.up.gain0.24 % to $ 2.912 per million British thermal units .