** Shares of oil and gas companies fall in premarket trade,
tracking 2% decline in crude price
** Brent crude LCOc1 down 2% at $83.48/bbl while U.S. West
Texas Intermediate crude CLc1 falls 1.9% to $79.30/bbl as
mixed economic data from China offset the impact of Saudi Arabia
and Russia extending output cuts O/R
** Oil majors Exxon Mobil XOM.N and Chevron CVX.N
decline 1% and 1.2%, respectively
** Shares of energy producers Occidental Petroleum OXY.N
and Callon Petroleum CPE.N down 1% and 2%, respectively
** Oilfield services firm Halliburton HAL.N falls 1%
(Reporting by Arunima Kumar in Bengaluru)
((Arunima.Kumar@thomsonreuters.com; Twitter: https://twitter.com/Aru_Kumar94
;))