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Full Description
Rate-transient analysis (RTA) is now one of the most important methods for reservoir and hydraulic fracture characterization used in the petroleum industry for unconventional gas and light oil reservoirs. RTA is also used as the basis for generating a production forecast. However, RTA is based primarily on analytical models that were developed for conventional reservoirs with many simplifying assumptions that often don't apply to unconventional reservoirs. Unconventional Gas and Light Oil Reservoir Rate-Transient Analysis: Volume 1 - Fundamentals delivers a critical knowledge gap to help practicing reservoir and production engineers understand the unique differences in rate-transient analysis for today's unconventional reservoirs. Starting with the fundamentals, engineers first understand the basic flow regimes and analysis methods along with the unique reservoir properties of unconventional assets. Then, the chapters progress to more advanced topics such as how to modify and apply RTA methods for each instance of shale oil/gas, coalbed methane, and tight shale oil/gas along with transforming these modified methods into higher quality production forecasting, with emphasis on analytical and semi-analytical methods. Supported by many real-world field examples covering both hydraulic fracturing and unconventional reservoirs to learn from with questions and answers to practice, Unconventional Gas and Light Oil Reservoir Rate-Transient Analysis: Volume 1 - Fundamentals supplies today's petroleum engineers with a more intelligent approach to today's more complex reservoirs.
Contents
1. Rate Transient Analysis as a Component of Field Development Optimization 2. Introduction to the concept of RTA and the RTA Workflow 3. Flow Regime Identification 4. Straight-line (Flow-Regime) Analysis Methods 5. Type-Curve Analysis Methods 6. Unique Reservoir Properties of Unconventional Reservoirs 7. Modification of RTA Methods for Unconventional Reservoir Properties-Part I: Coalbed Methane 8. Modification of RTA Methods for Unconventional Reservoir Properties-Part II: Shale Gas Reservoirs 9. Modification of RTA Methods for Unconventional Reservoir Properties-Part III: Tight and Shale Gas Condensate/Oil Reservoirs 10. Forecasting Methods 11. Application of RTA Workflow: Field Examples 12. Special Application of RTA: Flowback Data Analysis for Hydraulic Fracture Properties
