| Relationships | Role | Relationship Start | Relationship End |
| West Street Energy Partners Offshore, L.P. | Parent | 1/6/2014 | |
| Saint Investment Holdings | Subsidary | 1/7/2014 | |
| Fortune Investment Holdings | Subsidary | 6/6/2014 | |
| Saint Investment Holdings | Subsidary | 1/6/2014 | 1/6/2014 |