Energy companies gain after Russia cuts fuel exports

** S&P 500 Energy index .SPNY up 1.5%, tracking higher crude prices O/R

** Brent crude LCOc1 up 1.2% at $70.31/barrel; U.S. West Texas Intermediate crude futures CLc1 rise 1.1% to $66.14/barrel

** Crude prices rise after Ukraine's attacks on Russia's energy infrastructure prompted Moscow to curb fuel exports

** Energy majors Chevron CVX.N and Exxon Mobil XOM.N gain 2.1% and 1.8%, respectively

** Texas Pacific Land Corp TPL.N, Schlumberger SLB.N, Devon Energy DVN.N and APA Corp APA.O rise between 3.2% and 4.5%, and are among the top percentage gainers on the energy index

** Oilfield services companies Baker Hughes BKR.O up 1.1% and Halliburton HAL.N up 2.8%

** Refiners Phillips 66 PSX.N and Marathon Petroleum MPC.N rise 1% and 1.7%, respectively