Detection of subsurface installations and knowing their characteristics and accurate burial places are some challenges that the engineers involved always face with.Whereas the buried pipes have considerable contrast with the surounding media Ground. Pipes and cables typically appear as hyperbolic reflections on radar records. . In same cases, it is hard to identify the hyperbolic due to the presence of noise. Thus existence of robust tools which helps interpreters and engineers to better understand the GPR data is absolutely necessary. In this approach we used GPR method to detect a pipe in the region around Tehran with Noggin plus instrument (250 MHZ shielded antenna). After suitable processes and instantaneous attributes it makes possible that the position of pipes to be detected. Result of excavation and presence of pipe in intended depth, it’s the accuracy of data gathering and GPR result.