| 日期/Date | 事件/Event | 地點/Location |
| 2010/12/8 | HAL, REN, HLX, UNT at Capital One Southcoast, Inc Energy Conference | |
| 2010/12/8 | HAL, REN, HLX, UNT at Capital One Southcoast, Inc Energy Conference | |
| 2010/12/8 | HAL, REN, HLX, UNT at Capital One Southcoast, Inc Energy Conference | |
| 2010/12/8 | HAL, REN, HLX, UNT at Capital One Southcoast, Inc Energy Conference | |