BOGOTA, Nov 13 (Reuters) - Colombia's majority

state-owned oil producer Ecopetrol reported its

third-quarter net profit fell 28% to 3.65 trillion pesos

($826.95 million) compared to the same period last year, the

company said on Wednesday.

Total sales meanwhile slipped 1.5% to 34.61 trillion pesos

in the July through September period, Ecopetrol said in a

statement.

($1 = 4,413.79 Colombian pesos)