Optimising well-reservoir contact			Improving the sweep efficiency to flooding	Imnporving displacement efficiency	Optimising the flowrates	Optimising the wellbore completion and lift mechanism
Drilling new wells	Hydraulic fracturing	Stimulation

The above activities are further classified into four execution mechanisms:

Subsurface		Surface
Drilling & Completion	Workover	Rate Optimisation	EOR facilities and procedures

This leads to the four major asset challenges:

1. Where to drill the new well or side-track and how to complete it ?

2. Which wells to workover and how ?

3. Which wells to change the flow rate and whether increase or decrease ?

4. What fluid to inject ?

6. If there is a bottle neck in surface infrastructure and whether it needs update ?

The answers to these questions are provided by playing the various scenarios over the calibrated full-field flow model.

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See Also