March 2022
Intermediate to advanced
300 pages
10h 44m
English
An oil seep is a natural leak of crude oil [1] (Figure 8.1). Therefore, what is the difference between the oil spill and natural oil seep? Bear this in mind, an oil spill is not caused just by accidents or as a consequence of extreme weather events disrupting infrastructures; the ocean’s floor also naturally releases oil. Active seepage takes place when subsurface hydrocarbons penetrate shallow sediments and the overlying water column (Figure 8.2); this happens in basins where hydrocarbons are actively generating or contain migration pathways Pt Oil naturally migrates through cracks from deep deposits ...