** U.S.-listed shares of energy firms rise premarket, tracking increase in oil prices O/R

** Brent LCOc1 crude futures up 1.68% at $70.63/barrel; U.S West Texas Intermediate crude CLc1 up 1.73% at $67.51

** Oil prices rise, helped by Russian Deputy Prime Minister Alexander Novak's suggestion that OPEC+ could reverse its output increase after April

** Oil majors Chevron CVX.N and Exxon XOM.N up 0.7% and 0.8%, respectively

** Oilfield services $(OFS)$ companies SLB SLB.N up 0.8%, Halliburton HAL.N up 1% and Transocean RIG.N up 2.2%

** Refiners HF Sinclair Corp DINO.N up 2% and Phillips 66 PSX.N up 1.2%

(Reporting by Katha Kalia in Bengaluru)

((Katha.Kalia@thomsonreuters.com))