After analyzing the structure of SEG-D format, the paper presented the method of monitoring the parameters of seismic records by software, which can automatically show file number, sample rate, pre-amp gain, shot number, shot-line number and spread line number as well as starting and ending stake numbe

Since SEG-D format is used as recording format of the acquisition system and has various version,which needs to accurately know the position,byte size and contents the header information of SEG-D file is stored in when carrying out on-site QC and subsequent data processing.