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 seismicFotona4D is a noninvasive anti aging laser treatment that provides natural looking results through four innovative modalities. Targeting the nasolabial folds, wrinkles, fine s, deep s, and skin texture and thtness, a