| Sweep efficiency | Displacement efficiency | Acceleration | Cost | ||||
|---|---|---|---|---|---|---|---|
| Increasing well-reservoir contact | Optimising well-reservoir contact (Conformance control) | Flowrates | |||||
| Infill drilling | Completion design Completion integrity Lift mechanism | ||
|---|---|---|---|
| New wells | New laterals | Flow Stimulation | Flow Shut-off |
| EOR | Flowrates |
The above activities are further classified into facilitated by four execution mechanisms:
| Subsurface | Surface | ||
|---|---|---|---|
| Drilling & Completion | Workover & Recompletion | Produiction/injection Rate Optimisation | EOR facilities and procedures |
This leads to the four major asset challenges:
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