** Shares of oil and gas companies rise in premarket
trading, tracking prices of oil O/R
** Brent crude LCOc1 up 1.65% at $77.91/bbl and US West
Texas Intermediate crude CLc1 up 1.82% at 72.73/bbl after
attacks by the Houthis on ships in the Red Sea raised concerns
of oil supply disruptions
** Energy majors Exxon Mobil XOM.N and Chevron CVX.N up
0.8% and 0.6%, respectively
** Shares of Devon Energy DVN.N , Occidental Petroleum
OXY.N , Marathon Oil MRO.N , Hess Corp HES.N , EQT Corp
EQT.N and Callon Petroleum CPE.N gain between 0.9% and 2.6%
** Oilfield services firms Halliburton HAL.N and SLB
SLB.N rise 0.9% and 1.1%, respectively
(Reporting by Vallari Srivastava)
((Srivastava.Vallari@thomsonreuters.com;))