March 8 (Reuters) - Nuvista Energy Ltd NVA.TO :
* Q4 FFO per share C$0.21
* Says qtrly oil and natural gas revenue $55.6 million versus $ 72.1 million
* Says qtrly FFO per share $0.21
* Q4 production 23,355 Boe/d up 8% from Q3 of 2015
* Source text for Eikon ID:nMKWdsrnDa
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