HOUSTON, July 11 (Reuters) - Chevron CVX.N on Friday said changes to the composition of Mars offshore crude oil were associated with the start-up of a new offshore well.
The oil major said it was working to resolve issues and it does not expect an impact to current production guidance.
(Reporting by Arathy Somasekhar in Houston; Editing by Chris Reese)
((arathy.s@thomsonreuters.com; +1 832 610 7346; X: @ArathySom;))