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

state-owned oil producer Ecopetrol on Tuesday reported

a second-quarter net profit that fell 17.4% compared to the same

period last year, reaching 3.376 trillion pesos, the company

said on Tuesday.

The Bogota-based company's total sales totaled 32.627

trillion pesos during the April to June period, down 4.9% from a

year ago, it said in a filing to Colombia's stock exchange.