Petro Sayal Pasargad oil and gas projects management and development company has started its activities on 28/10/1393 with the aim of oil and gas industry upstream studies; laboratory analysis of rock and fluid of hydrocarbon reservoirs, Enhanced Oil Recovery and flow Assurance. In this regard, with the presence of experienced professionals with high technical knowledge in the company, equipment needed in sampling operation from the hydrocarbon wells and laboratories of the upstream petroleum industry studies, have been designed and built. Given that all upstream studies are affected by the accuracy of sampling, Petro Sayal Pasargad company have had particular attention to this operation, and has done extensive and successful operations of sampling of single-phase and BottomHole. Also Petro Sayal Pasargad Company in order to expand the scope of its activities has communicated closely with the Research Institute of Petroleum Industry and Petroleum Engineering Institute of Tehran University and has co-operated with theme on several projects.