Kurdistan-focused explorer Gulf KeystonePetroleum has denied merger speculation, as interest in the oil-rich region of Northern Iraq heats up.

Tawke oil field near the town of Zacho in Dohuk province about 250 miles north of Baghdad, Iraq.

"Those were rumors in the press over the weekend. There are no deals in the offing, we are not looking to sell ourselves," Todd Kozel, CEO of the AIM-listed company, told CNBC on Wednesday.