Mature Water Flood Analysis

Mature Water Flood Analysis (MWFA)

Mature Water Flood Analysis is a workflow for identifying the performance gaps in the mature waterfloods performance.

Mature Water Flood Analysis is applied to the Reservoirs and uses Monthly Measures for production/injection data.

As a result Mature Water Flood Analysis generates Blocks/Patterns Enhancement List.

Workflow

1. Upload the required data
2. Gridding - Divide the field into Patterns/Blocks/Buckets
3. Calculate STOIIP for each reservoir using blocks
4. Match STOIIP to official numbers by changing the edge Blocks areas
5. Make Plots (by field, by reservoir, by block):History, RF vs HCPVinj, RF vs well spacing, WOR vs Np, VRR vs t
6. Make Maps (by reservoir) showing Blocks: HCPV, HCPVinj, RF, VRR
7. Make Cross sections
8. Calculate Blocks Enhancement List
9. Create Action List
10. Execute

Repeat steps 5-6-7-8-9-10 routinely (monthly, quarterly, half year).

Data Required

• Create Fields
• Upload Reservoirs
• Upload PVT
• Upload Wells
• Upload Deviation Surveys
• Upload Perforations
• Upload Well Log Interpretations
• Upload Monthly Measures

9. Action List

The typical actions are:

• Convert producing well to injector
• Shut in inefficient injection well
• Increase/Decrease well injection rate
• Add/squeeze Perforations at producing or injection wells
• Drill infill production/injection well

References

Wolcott, D. ; Applied Waterflood Field Development, Energy Tribune Publishing Inc., 2009.