it is kazakhstan
That would be Alaska.
Alaska state in the USA has the greatest oil production. source http://www.statemaster.com/graph/ene_pet_pro-energy-oil-production
saudi arabia
Yes, there are oil fields in Nebraska, particularly in the western part of the state. The largest oil producing counties in Nebraska are in the western region, such as Cheyenne, Banner, and Kimball counties. Nebraska's oil production contributes to the state's energy resources.
UTAH
Banglore
peanutbutter
Iraq is one of the largest oil production countries in the world.
Assam
River state
About 2,300,000 barrels.
Probably Washington State.