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| Petroleum Geology | Studying reserves structure and volumes |
| Rock Geomechanics | Studying response of rock and rock masses to the forces or displacements |
| Petrophysics | Studying rock properties |
| Well & Log Analysis | Designing and interpretation of well logs |
| Well Testing | Designing and interpretation of well tests |
| Fluid Analysis | Modelling fluids produced from or injected into the petroleum reservoir |
| Reservoir Flow Simulations | Modelling well and reservoir flow dynamics and generating forecasts |
| Drilling Engineering | Designing and executing monitoring the well drilling |
| Workover Engineering | Designing and executing monitoring workovers |
| Production Technology | Well Performance Analysis and production optimization Production Planning |
| Subsurface Chemical Engineering | Designing the chemical treatments facilitating facilitating the optimal well and reservoir performance |
| Field Development Planning | Creating Field Development Plans |
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