post4dSummary More than 20 million tons of CO2 has been injected into the Utsira formation at Sleipner field since 1996. The injected CO2 in the subsurface is characterized on the post-stack seismicThe Dital Economy and Society (DES) Ministry has rolled out its 4D policy to develop people with dital skills. The 4D policy is meant to complement its Seed Thailand