Minister of Oil Dr. Awad Ahmed Al Jaz has made an urgent and open invitation to those who desire to invest in the field of oil and gas, exploration and oil production , refineries and the various oil services in the country. This came during his meeting , Yesterday , at his office with the Turkish )caza&ipec holding) company delegation headed by Mr. Aken Abeek the chairman of the company\'s board of directors , in the presence of the two ambassador of Sudan and Turkey and a number of the company staffers. The head of the company delegation has affirmed the company interest to invest in the field of oil , gas and minerals in Sudan.