Exhibit 23.3
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| TBPE REGISTERED ENGINEERING FIRM F-1580 | FAX (713) 651-0849 | ||
| 1100 LOUISIANA STREET SUITE 4600 | HOUSTON, TEXAS 77002-5294 | TELEPHONE (713) 651-9191 |
CONSENT OF INDEPENDENT PETROLEUM ENGINEERS
Ryder Scott Company, L.P. (“Ryder Scott”) consents to the references to our firm and our report dated February 19, 2018 (our “Report”) included in Ecopetrol S.A.’s annual report on Form 20-F for the year ended December 31, 2017 (the ”Annual Report”), the inclusion of our Report as Exhibit 99.1 to the Annual Report and references to and information derived from our Report in the Annual Report, as well as to the incorporation by reference of our Report into Ecopetrol’s S.A.’s registration statement on Form F-3 filed with the United States Securities and Exchange Commission on or about June 1, 2018 (the “Registration Statement”). Ryder Scott further consents to the references to Ryder Scott as set forth in the Registration Statement under the heading “Experts”.
| /s/ RYDER SCOTT COMPANY, L.P. | |
| RYDER SCOTT COMPANY, L.P. | |
| TBPE Firm Registration No. F-1580 | |
| Houston, Texas | |
| June 1, 2018 |
| SUITE 600, 1015 4TH STREET, S.W. | CALGARY, ALBERTA T2R 1J4 | TEL (403) 262-2799 | FAX (403) 262-2790 | |
| 621 17TH STREET, SUITE 1550 | DENVER, COLORADO 80293-1501 | TEL (303) 623-9147 | FAX (303) 623-4258 |