By Mirna Sleiman and Maha El Dahan

Abu Dhabi-listed Dana Gas , leading a consortium of energy investors, has filed an arbitration case in London against the Iraqi Kurdistan government, the company said on Tuesday.

The arbitration proceedings are to clarify the amount of money they are owed for work already carried out in the area and on their rights to develop and market gas fields, Dana said in a bourse filing.

The case was filed at the London Court of International Arbitration under the terms of Dana's 2007 agreement with Kurdistan, the company said. There was no immediate comment from the Kurdistan government.