[Society of Petroleum Engineers SPE/PAPG Pakistan section Annual Technical Conference - Islamabad, Pakistan (2015-11-24)] SPE/PAPG Pakistan section Annual Technical Conference - Very First Application of Nitrified Stiff Foam along with the Near-Balanced Drilling Technology to Mitigate the NPT Associated with Highly Fractured, Low Pressure Hydrocarbon Bearing Sui Main Limestone Formation in Pakistan - A Case History