This table presents the maximum horsepower values for use as default values in Air Quality Emissions Reporting Spreadsheets. These values are for use when the exact rig to be used for a project is not specified in an EP or DOCD.
| Type of Rig | Max HP |
| Drillship | 61,800 |
| DP Semisubmersible | 61,200 |
| Semisubmersible | 26,400 |
| Submersible | 6,064 |
| Jack-up | 16,975 |
| Platform/Barge | 6,635 |