| SECTION B: Mining and quarrying | 
| Division 06 : Extraction of crude petroleum and natural gas | 
| Group | Class | Sub-class | Description | 
| 061 |  |  | Extraction of crude petroleum | 
|  | 0610 |  | Extraction of crude petroleum | 
|  |  |  | This class excludes: | 
|  |  |  | - support activities for oil and gas extraction, see 0910 | 
|  |  |  | - oil and gas exploration, see 0910 | 
|  |  |  | - manufacture of refined petroleum products, see 1920 | 
|  |  |  | - recovery of liquefied petroleum gases in the refining of petroleum, see 1920 | 
|  |  |  | - operation of pipelines, see 4930 | 
|  |  | 06101 | Off shore extraction of crude petroleum | 
|  |  | 06102 | On shore extraction of crude petroleum | 
| 062 |  |  | Extraction of natural gas | 
|  | 0620 |  | Extraction of natural gas | 
|  |  |  | This class excludes: | 
|  |  |  | - support activities for oil and gas extraction, see 0910 | 
|  |  |  | - oil and gas exploration, see 0910 | 
|  |  |  | - recovery of liquefied petroleum gases in the refining of petroleum, see 1920 | 
|  |  |  | - manufacture of industrial gases, see 2011 | 
|  |  |  | - operation of pipelines, see 4930 | 
|  |  | 06201 | Offshore Extraction of natural gas | 
|  |  | 06202 | On shore Extraction of natural gas |