Sproule partnered with OMV (Pakistan) Exploration to address the complexities of developing the tight gas sands in the Sawan and Miano Fields. This comprehensive study aimed to define a robust development strategy, including optimal well design and a data-gathering plan to guide decision-making during pilot well drilling. This fully integrated subsurface and well engineering study included petrophysical interpretation, static model update, dynamic simulation and forecasting, well engineering, well concept selection and costing, and development concept screening. The project was pivotal in maximizing the potential of these challenging reservoirs, balancing risk with innovation.
Project Highlights
- Mid-sized Oil and Gas Operator
- Tight Gas Sands in Pakistan’s Swan and Miano Fields
- Fully Integrated Subsurface and Well Engineering Study
- Reducing Uncertainties with Phased Development Approach
Challenge
- Complex Reservoir Characteristics: The Sawan and Miano Fields presented operational challenges due to the tight gas sands, which demanded precise well engineering and advanced subsurface analysis.
- Data Limitations: The lack of extensive historical data required Sproule to rely on innovative petrophysical interpretations and dynamic simulations to create reliable models.
- Regulatory and Market Dynamics: Navigating local regulations and market conditions added layers of complexity to the project, necessitating a well-rounded approach to development.
Solution
- Data-Driven Risk Management: Sproule recommended a phased development approach, starting with pilot wells to gather crucial data. This strategy allowed for adjustments based on real-time results, reducing uncertainty and managing operational risks effectively.
- Advanced Subsurface Modeling: The team employed a combination of static and dynamic models to simulate reservoir behavior, using sector model forecasts, well costs, and hydraulic fracturing costs, leading to the selection of optimal well types and densities. High-level economic screening facilitated informed decision-making, ensuring that development concepts were both technically sound and financially viable.
Value
Enhanced Decision-Making: The study’s rigorous analysis and modeling allowed OMV to make well-informed decisions regarding well types, locations, and densities, directly impacting the project’s economic success.
Innovative Engineering Solutions: The project included complex hydraulic fracturing simulations and a conceptual completion design, ensuring that the wells were both productive and cost-effective enabling operational excellence in tight gas sand.
Reduced Uncertainty with Phased Development: By recommending an incremental approach, Sproule effectively managed subsurface uncertainties, allowing OMV to proceed with confidence, knowing that subsequent development phases would be informed by robust, real-world data.
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