A set of knowledge domains facilitating Upstream operations at surface:
| Production Gathering Engineering | Designing and monitoring production gathering systems |
| Pipeline Engineering | Designing and monitoring the pipelines |
| Water Supply | Designing and monitoring Water Supply Systems |
| Gas Supply | Designing and monitoring Gas Supply Systems |
| Commercial metering | Designing and monitoring Commercial Metering Stations |
| Surface Chemical Engineering | Designing the fluid processing and chemical treatments for optimal performance of surface facilities |