Oct 1 (Reuters) - Nuvista Energy Ltd NVA.TO :
* NUVISTA ENERGY LTD. ANNOUNCES UPSIZING AND COMMENCEMENT OF PIPESTONE SOUTH BLOCK DEVELOPMENT
* NUVISTA ENERGY - COMPRESSOR STATION HAS BEEN UPSIZED 50% FROM ORIGINAL PLANS AND IS NOW DESIGNED FOR APPROXIMATELY 15,000 BOE/D OF PRODUCTION
* NUVISTA ENERGY LTD - THERE ARE NO CHANGES TO 2018 GUIDANCE AND PRELIMINARY 2019 OUTLOOK PREVIOUSLY PROVIDED BY NUVISTA