| Petrochad (Mangara) Limited, Doba Basin, PSA, 2011 (Contrat Principal) |
| Petrochad (Mangara) Limited, Doba Basin, Amendment, 2013 |
| Petrochad (Mangara) Limited, Doba Basin, Amendment, 2014 |
| Petrochad (Mangara) Limited, Doba Basin, Amendment, 2018 |
| Petrochad (Mangara) Limited, Doba Basin, Annex, 2011 |