STOCKHOLM, Oct 23 (Reuters) - Production at the Ekofisk 2/4 K oil and gas platform in the North Sea is shut, TV2 Norway reported on Thursday, citing operator ConocoPhillips. (Reporting by Anna Ringstrom, editing by Gwladys Fouche) (The article has been published through a syndicated feed. Except for the headline, the content has been published verbatim. Liability lies with original publisher.)