3-D Seismic Exploration Technology for Shallow target of Mature Oilfield in Urban Area

摘要

In order to tap the potential of the mature Fuyu oilfield, deepen the geological understanding and optimize the comprehensive development program, the high-resolution 3-D seismic exploration for 258 km~2 was carried out in Fuyu oilfield according to the exploration mode of integrating acquisition, processing and interpretation. In view of the complicated surface conditions and shallow-buried geological targets, the matching technologies are used for acquisition, processing and interpretation, which include optimizing design of observation system, best lithologic excitation, good coupling reception, high-resolution processing and 3-D visualization interpretation. The quality of 3-D data is improved by applying 3-D seismic exploration technology in urban area, and the structural and geological problems in development of mature Fuyu oilfield are effectively solved. Some traps were discovered and some appraisal and development wells were deployed. Based on drilling evaluation, several wells obtained high industrial oil flow, which plays an important role in reserves addition and production growth of Jilin oilfield.