** S&P 500 energy index .SPNY down 0.5%, tracking prices of oil O/R

** Brent crude futures LCOc1 down 1.4% at $67.86/barrel; West Texas Intermediate crude CLc1 falls 1.6% to $63.78/barrel

** Prices fell after surging nearly 2% in the previous session as investors reassessed developments surrounding the war in Ukraine and potential disruption to Russian fuel supplies

** Energy majors Chevron CVX.N and Exxon XOM.N down 0.6% each

** Diamondback Energy FANG.O, Devon Energy DVN.N, Coterra Energy CTRA.N and Halliburton HAL.N down between 0.7% and 1.3%

** Oilfield services company Halliburton HAL.N down 1.2%

** Refiner Valero VLO.N falls 0.6%

(Reporting by Katha Kalia in Bengaluru)

((katha.kalia@thomsonreuters.com;))