** U.S. energy firms rise premarket as oil prices climb
** Brent crude futures LCOc1 up 2.4% at $75.66 a barrel;
U.S. West Texas Intermediate (WTI) crude CLc1 rises 2.5% to
$72.16 a barrel
** Oil prices rise on monetary stimulus from top importer
China and concerns that conflict in the Middle East could hit
regional supply, while another hurricane threatened supply in
the United States, the world's biggest crude producer
** Oil majors Chevron CVX.N and Exxon Mobil XOM.N up
0.8% each
** Marathon Oil MRO.N , Occidental Petroleum OXY.N and
Diamondback Energy FANG.O up between 0.8% and 1.8%
** Oilfield equipment and services operators SLB SLB.N and
Halliburton HAL.N up 1.1% and 1.2%, respectively
(Reporting by Tanay Dhumal in Bengaluru)
((Tanay.Dhumal@thomsonreuters.com;
Twitter: https://twitter.com/TanayDhumal))