Two workers were injured on Thursday after falling off a platform installed on a boom forklift at Vassilikos on the southern coast near Limassol.
Their condition was not life threatening.
The two, a 57-year-old Cypriot and a Greek national, 40, were conducting quality control checks on a tank that is part of a fuel terminal under construction in the area.
They fell from a height of around 10 metres suffering neck and leg injuries.
The contractor, Vassiliko Oil Tank JV, denied reports of an oil leak
An inspector from the Department of Labor Inspection was called to the scene to investigate the circumstances under which the accident occurred.