To enhance results, the client needed to understand the feasibility of implementing a waterflood to increase oil recovery in a field in the Three Forks Reservoir.
Project Highlights
- Involved low permeability reservoir with multi-stage hydraulically fractured horizontal wells
- Needed to understand the potential for waterflooding
- Used a reservoir simulation model to investigate waterflooding and the effects of different well-spacing
- Delivered essential information for development of the field
Challenge
- The client was looking to determine the feasibility of implementing a waterflood to increase oil recovery in a field
- The reservoir is comprised of dolostones and contains light oil under natural depletion
- The zone is currently being developed with multi-stage hydraulically fractured horizontal wells
Solution
- Sproule conducted a geological evaluation to develop reservoir maps and parameters for a selected client-operated section of the field
- Sproule engineers constructed a detailed reservoir simulation model with local grid refinement to model the hydraulic fractures, and history matched to available performance data
- Forecasts revealed the benefits of waterflooding and effects of different well-spacing
Value
- Performance forecasting with the model determined primary and waterflood recovery factor profiles
- Study results helped the client understand waterflood response times and the impact of different well spacing
- The results underscored the importance of well spacing when considering a waterflood in the tight Three Forks Formation
Manager, Reservoir Characterization
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