Role of oil industry in Scottish vote on independence
28 July 2014 Last updated at 12:01 BST
On the 18th of September people in Scotland will be asked to vote yes or no on whether the country should become independent from the rest of the UK.
Martin went to Aberdeen to find out why oil rigs there, the large platforms used to get oil out from under the sea, will have a big impact on the choice voters make.
Watch his report.