From March 16 to 23, Dr.Aji Mohanmed Zechariah, from the Ministry of Petroleum, Nigeria, Dr.Odogu David Ogheneab , reservoir engineer of Nigerian National Petroleum Development Company, and Wang Jinpeng, Senior Engineer, from Sinopec International Petroleum Exploration and Development Co. Ltd., Nigeria Branch, paid a week-long visit to the State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation. During their visit, they made field investigation and survey mainly on laboratory test conditions, methods and manners and made an intensive exchange with the testers and analysts concerned at the laboratory. They were tot ally satisfied with the conditions and environment at the laboratory and they said that they would have more extensive cooperation with SWPU in the field of researching and testing in the future .