Research on Identification of Petroliferous Unit Based on Seismic Data Structure Characteristics

The identification and classification of petroliferous unit is the key to the success in the exploration for oil-gas fields with geophysical knowledge that are the main means and ways to reduce exploration risk and improve exploration efficiency. In this paper, it analyzes geophysical response characteristics under conditions of gas, oil and water through the establishment of horizontal layered medium model. Then it extracts and analyzes seismic abnormal characteristics of the data structure combining the method of grey system theory based on the experiment, which are considered as an im- portant reference for further objectively identifying petroliferous unit and the exploration of oil-gas fields in the practical application with comparison and analysis.