Question about Offshore Work - Shell

[Slidellkid]

My stepson has been told to apply to Shell. He just wants to get started working as a roustabout or any other position. When he looks online at Shell's web page, he does not see specifically for routabouts. The only thing he sees that looks like it might be a fit is "downstream production." Do you all think this is the most appropriate category or is there something else he should choose?