#055

Colombian Section

Bogota, Colombia

Date Established: 20 June 1967

Chairperson

Mr. Cesar Augusto Patino Sr., Ecopetrol SA

Membership Chairperson

Mr. Yeisson Camilo Diaz Nino

Program Chairperson

Mr. Ernesto Duran Badovinac, Occidental de Colombia Inc.

Treasurer

Mr. Manfred Martin, Schlumberger Surenco S.A.

Director

Mr. Cesar Augusto Patino Sr., Ecopetrol SA

Officer

Mr. Sergio Pinilla, Parker Drilling Co. Intl. Ltd.

Mentor Chairperson

Mr. Sergio Pinilla, Parker Drilling Co. Intl. Ltd.

Student Chapter Liaison

Mr. Johan D Baracaldo Perez

Staff Liaison

Ursula Blum, Society of Petroleum Engineers

Staff Liaison

Erin O'Sullivan, Society of Petroleum Engineers