The Iraqi government, with very strong US backing, is trying to change the national oil laws. The Iraqi Parliament is 'discussing' the law now, and is trying to pass it.
Currently, the oil infrastructure in Iraq is controlled by state-owned businesses and the equipment is run by members of the Iraqi Federation of Oil Unions. The new law would transfer the day-to-day operations to multi-national oil companies.
Those companies would, of course, bring in their own workers.
So, the Iraqi Federation of Oil Unions is voicing it's displeasure about the new law.
More after the fold