APS| Pos. | Empresa | UN / Vts. |
|---|---|---|
| 1 | PETROBRAS INTERNATIONAL BRASPETRO BV - SUCURSAL COLOMBIA | |
| 2 | Pluspetrol Colombia Corporation Sucursal Colombiana | |
| 3 | TEXICAN OIL & GAS S.A. SUCURSAL COLOMBIA | |
| 4 | WATTLE PETROLEUM COMPANY SAS | 21% |
| 5 | CANACOL ENERGY COLOMBIA S.A.S | 14% |
| 6 | CNE OIL & GAS SAS | 13% |
| 7 | PETROLEOS SUD AMERICANOS SUCURSAL COLOMBIA | -19% |
| 8 | PCR INVESMENTS S.A. SUCURSAL COLOMBIA | -253% |
| 9 | DRUMMOND ENERGY, INC | -1673% |