A set of Subsurface Production Operational activities towards execution of Field Development Plan.
The key instrument of WRM is Nodal Analysis which leads to a proper selection of WRM Activities.
The WRM Activities are usually classified by the purpose:
| Operational HSE | Production acceleration | Production Cost | Sweep efficiency | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Infill drilling | Production targets | designing & maintaining integrity | designing & maintaining integrity | Increasing (Drilling) | Optimising (Conformance control) | ||||
| Infill drilling | Side-tracks | Flow Stimulation | Flow Shut-off | EOR | |||||
The WRM Activities are facilitated by following execution mechanisms:
| Subsurface | Surface | |||
|---|---|---|---|---|
| Drilling & Completion | Workovers | Wireline | EOR facilities and procedures | |
Prioritizing of WRM Activities is based on technical feasibility and economics, provided by WRM Activity Value @model.
This particularly leads to the following major asset challenges:
| 1 | Where to drill the |
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There are five major categories in WRM
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1. Drilling new well or new side-track
2. Workoover on existing wells
3. Changing flowrate on existing wells
4. Changing the temperature and chemical of injection fluid
5. Chaning the surface infrastructure to remove the bottle-neck
This leads to the four major asset challengs:
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| new well or side-track and how |
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| to completion it ? |
| 2 |
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| Which wells |
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| to workover |
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| and how ? |
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| Which wells to change the flow rate and whether increase or decrease ? | |
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| What fluid and at what time to inject ? | |
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| Is there |
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| bottleneck 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.
See Also
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Petroleum Industry / Upstream / Production / Subsurface Production
[ Nodal Analysis ][ Field Development Planning ]
[ WRM Activities ][ WRM Activity Value @model ]
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