According to the L.A. Times, that sectarianism-transcending Iraqi-nationalism thing isn't quite working out up north:

A controversial oil exploration deal between Iraq's autonomy-minded Kurds and a Norwegian company got underway this week without the approval of the central government here, raising a potentially explosive issue at a time of heightened ethnic and sectarian tensions.

The Kurdistan Democratic Party, which controls a portion of the semiautonomous Kurdish enclave in northern Iraq, last year quietly signed a deal with Norway's DNO to drill for oil near the border city of Zakho...

Drilling began after a ceremony Tuesday, during which Nechirvan Barzani, prime minister of the Kurdish northern region, vowed "there is no way Kurdistan would accept that the central government will control our resources," according to news agency reports.

In Baghdad, political leaders on Wednesday reacted to the deal with astonishment.

"We need to figure out if this is allowed in the constitution," said Adnan Ali Kadhimi, an advisor to Prime Minister Ibrahim Jafari. "Nobody has mentioned it. It has not come up among the government ministers' council. It has not been on their agenda." ...

Great. I'm sure glad we're caught in the middle of this.