Abstract: An advisor system and method for determining reservoir properties includes a processor accessible to a tutorial system module and an expert system module. An input/output interface accesses directly with the tutorial system module and with the expert system module through a bridge. The expert system module includes a "help" utility, a rule base, a correlations library and a program interface between the library and rule base. Based on the input, the rule base selects correlation subroutines from the correlation routine library necessary to determine the reservoir properties. The advisor system can provide advice on using available Pressure-Volume-temperature (PVT) laboratory reports and location of the reservoir property in the PVT laboratory report.