大庆油田地球物理勘探技术现状及发展方向OA北大核心CSTPCD

Aiming to efficiently support oilfield exploration and development,geophysical technology in Daqing Oil-field has rapidly advanced through combination of adopting external technology and self-independent innovation.In view of exploration and development requirements in various fields,at present,a series of appropriately supporting seismic data acquisition,processing and interpretation technologies have been developed,and internationally ad-vanced viscoelastic pre-stack migration technology and wave impedance direct inversion technology for thin inter-beds have been innovatively developed,significantly supporting oil and gas exploration and development in various fields of Daqing Oilfield,with positive contributions to"stabilizing oil production and increasing gas production".However,with exploration and development continuously extending to unconventional reservoirs,complex reser-voirs and deep reservoirs,exploration and development targets are becoming increasingly complex,causing new challenges to supporting capability of geophysical exploration technology.Focusing on main exploration and devel-opment fields of Daqing Oilfield and based on summarization of current technology status,geological challenges are analyzed for northern Songliao Basin,Hailar-peripheral basin and mining rights transferred areas of Sichuan Basin,and for conventional oil,tight clastic rock reservoirs,shale oil,volcanic gas reservoirs and carbonate reservoirs in Tadong block in Tarim Basin.Geophysical technological requirements are determined,current technological gaps are recognized,and future development directions are proposed including promoting and improving mature technol-ogy,innovating core technology development,accelerating big data platform construction and exploring and reserv-ing new-energy geophysical technologies.These efforts aim to facilitate continuous rapid progress of geophysical technology and make new contributions to high-quality development of Daqing Oilfield.