** Brokerage Citigroup downgrades Hess Midstream HESM.N to neutral from buy and cut its price target to $41 from $42
** Citi says co's growth outlook dependent on Chevron’s plan for Bakken oil field
** HESM provides fee-based services mainly to Chevron's CVX.N recently acquired HES Corp
** Brokerage says CVX could either maintain status quo, scale back in Bakken or simplify HESM's structure at oil field - all three have different impacts on Hess Midstream
** If CVX maintains similar development plan, HESM could buyback about 5% of its market cap each year and grow dividend 10% annually
** In a reduced production scenario, co to maintain at least 5% dividend
growth and steady, although diminished, level of buybacks
** Four of the six brokerages covering stock, as per LSEG, have a hold rating with a median PT of $48
** Up to last close stock had risen 6.7% YTD, vs. benchmark S&P 500's .SPX 11% rise
(Reporting by Johann M Cherian in Bengaluru)
((johann.mcherian@thomsonreuters.com))