( see also Upstream @ Wikipedia )
The area of Petroleum Industry dealing with exploration and production of hydrocarbons and also called Upstream.
Drilling is essential part of both exploration and production.
| Exploration is split into three operational areas: | Petroleum Production is usually split into two operational areas: | |||
|---|---|---|---|---|
| Subsurface Exploration | Surface Exploration | Aerospace Exploration | ||
| The Surface Production is split into three major areas: | The Subsurface Production is split into three major areas of activities: | |||
| ||||
| Routine production operations usually follow Production Strategy which is a part of Field Development Planning. | ||||