Sept 6 (Reuters) - Nuvista Energy Ltd NVA.TO :
* NUVISTA ENERGY LTD. ANNOUNCES CLOSING OF PIPESTONE ASSET ACQUISITION AND PROVIDES OPERATIONAL UPDATE
* NUVISTA ENERGY LTD - NUVISTA'S PRODUCTION GUIDANCE FOR 2018 EXCLUDING ACQUIRED ASSETS IS RE-AFFIRMED IN RANGE OF 36,000 TO 38,000 BOE/D
* NUVISTA ENERGY - TOTAL GUIDANCE INCLUDING ACQUIRED ASSETS CONTRIBUTION FROM SEPT. 6, IS EXPECTED TO BE IN RANGE OF 37,500 TO 39,000 BOE/D FOR Q3
* NUVISTA ENERGY - TOTAL GUIDANCE INCLUDING ACQUIRED ASSETS CONTRIBUTION FROM SEPT. 6, IS EXPECTED TO BE IN RANGE OF 46,000 TO 48,500 BOE/D FOR Q4
* NUVISTA ENERGY - TOTAL COMBINED ANNUAL GUIDANCE INCLUDING ACQUIRED ASSETS CONTRIBUTION FROM SEPT. 6, IS 38,750 TO 40,000 BOE/D
* NUVISTA ENERGY LTD - CAPITAL SPENDING IS REAFFIRMED IN RANGE OF $325 TO $350 MILLION FOR 2018
* NUVISTA ENERGY LTD - Q3 CONTRIBUTION FROM ACQUIRED ASSETS IS EXPECTED TO BE 2,650 BOE/D
* NUVISTA ENERGY LTD - SEES Q4 CONTRIBUTION FROM ACQUIRED ASSETS ABOUT 9,500 BOE/D INCLUDING UNPLANNED DOWNTIME ALLOWANCE