ISLAMABAD, Jan 28: The ambassador of Argentine, Radolfo Martin Saavia, on Saturday called on Federal Minister for Petroleum and Natural Resources Amanullah Khan Jadoon and discussed with him matters pertaining to exploring avenues of cooperation in the oil and gas sector. Welcoming the envoy, the minister said there existed a lot of potential and scope for Argentine companies to invest in the oil and gas exploration activities and CNG sector in Pakistan.—Our Reporter