The accident happened on the Stena Spey off the coast of Fraserburgh around 1240 GMT on Friday.
The two men were flown to Aberdeen Royal Infirmary for treatment. Their conditions are not known.
Stena Drilling said an inquiry was under way into the incident on the mobile drilling rig, but could not expand on what had happened.
The men were flown to ARI by a Sea King helicopter from RAF Lossiemouth, which landed about 1500 GMT.
Grampian Police and the Health and Safety Executive have been informed.
(C) 2006 BBC Monitoring Newsfile. via ProQuest Information and Learning Company; All Rights Reserved
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