Andres Mora Sr¹, Camilo Higuera-Diaz¹, Mauricio Parra², Brian K Horton³ and Victor M Caballero⁴, (1)Ecopetrol, Exploration Division, Bogota, Colombia, (2)University of Sao Paulo, Institute of Energy and Environment, Sao Paulo, Brazil, (3)Univ of Texas at Austin, Austin, TX, United States, (4)Instituto Colombiano del Petróleo, Piedecuesta, Colombia