EXHIBIT 15.2
CONSENT OF RYDER SCOTT
CONSENT OF INDEPENDENT PETROLEUM ENGINEERS
Ryder Scott Company, L.P. hereby consents to the use of its name and the information from its reports regarding its estimates of reserves and future net revenues from the production and sale of those reserves for the years ending on December 31, 2006 in the Registration Statement on Form 20F of Ecopetrol S.A. dated September 12, 2008.
RYDER SCOTT COMPANY, L.P. | ||
Houston, Texas | ||
September 12, 2008 | ||
/s/Hernan G Acuna | ||
Herman G. Acuna, P.E. | ||
Managing Senior International Vice President |