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Reservoir characterization as a discipline grew out of the recognition that more oil and gas could be extracted from reservoirs if the geology of the reservoir was understood. Pr… Read more
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Reservoir characterization as a discipline grew out of the recognition that more oil and gas could be extracted from reservoirs if the geology of the reservoir was understood. Prior to that awakening, reservoir development and production were the realm of the petroleum engineer. In fact, geologists of that time would have felt slighted if asked by corporate management to move from an exciting exploration assignment to a more mundane assignment working with an engineer to improve a reservoir’s performance.
Slowly, reservoir characterization came into its own as a quantitative, multidisciplinary endeavor requiring a vast array of skills and knowledge sets. Perhaps the biggest attractor to becoming a reservoir geologist was the advent of fast computing, followed by visualization programs and theaters, all of which allow young geoscientists to practice their computing skills in a highly technical work environment. Also, the discipline grew in parallel with the evolution of data integration and the advent of asset teams in the petroleum industry. Finally, reservoir characterization flourished with the quantum improvements that have occurred in geophysical acquisition and processing techniques and that allow geophysicists to image internal reservoir complexities.
Dedication
Preface
Series Editor's Preface
Chapter 1. Basic Principles and Applications of Reservoir Characterization
1.1 General Introduction
1.2 Integrating Expertise for Reservoir Characterization
1.3 Oil and Gas: The Main Sources of Global Energy
1.4 The Added Value of Reservoir Characterization
1.5 Compartmentalization of Oil and Gas Reservoirs
1.6 Clastic Depositional Environments and Types of Deposits
1.7 When Is Reservoir Characterization Important in the Life Cycle of a Field?
1.8 The Value of Case Studies
References
Chapter 2. Basic Sedimentary Rock Properties
Abstract
2.1 Introduction
2.2 Classification and Properties of Sediments and Sedimentary Rocks
2.3 Sedimentary Structures and Their Significance
2.4 Summary
References
Chapter 3. Geologic Time and Stratigraphy
Abstract
3.1 Introduction
3.2 North American Geologic Time Scale
3.3 Determining the Time Frame in Which a Rock Formed
3.4 Micropaleontology and Biostratigraphy in Reservoir Characterization
3.5 Walther's Law and the Succession of Sedimentary Facies
3.6 Summary
References
Chapter 4. Tools and Techniques for Characterizing Oil and Gas Reservoirs
Abstract
4.1 Introduction
4.2 Measuring Properties at Different Scales
4.3 Computers and the Computing Environment
4.4 Seismic-Reflection and Subsurface Imaging
4.5 Logging and Sampling a Well
4.6 Summary
References
Chapter 5. Basics of Sequence Stratigraphy for Reservoir Characterization
Abstract
5.1 Sequence Stratigraphic Approach to Reservoir Characterization
5.2 Definitions and Basic Concepts
5.3 Evolution and Applications of Sequence Stratigraphy
5.4 Scales of Cyclicity
5.5 Procedure for Developing a Sequence Stratigraphic Framework
5.6 Summary
References
Further-reading
Chapter 6. Geologic Controls on Reservoir Quality
Abstract
6.1 Definitions
6.2 Examination and Measurement of Porosity and Permeability
6.3 Primary Grain-Size Control on Reservoir Quality
6.4 Diagenesis and Reservoir Quality
6.5 Flow-Unit Characterization for Correlation and Upscaling
6.6 Capillary Pressure and Its Applications to Reservoir Characterization
6.7 Seismic Porosity Measurement
6.8 Summary
References
Chapter 7. Fluvial Deposits and Reservoirs
Abstract
7.1 Introduction
7.2 Braided Fluvial (River) Deposits and Reservoirs
7.3 Meandering-River Deposits and Reservoirs
7.4 Incised-Valley-Fill Deposits and Reservoirs
7.5 Stratigraphy and Stacking Patterns of Fluvial Reservoirs
7.6 Summary
References
Chapter 8. Eolian (Windblown) Deposits and Reservoirs
Abstract
8.1 Introduction
8.2 Processes and Deposits
8.3 Sandstone Reservoir Examples
8.4 Loess (Eolian Siltstone) Deposits and Reservoirs
8.5 Summary
References
Chapter 9. Deltaic Deposits and Reservoirs
Abstract
9.1 Introduction
9.2 General Deltaic Processes, Environments (Physiographic Zones), and Types
9.3 Deltas Within a Sequence Stratigraphic Framework
9.4 River-Dominated Delta Deposits and Reservoirs
9.5 Wave-Dominated Deltas
9.6 Tide-Dominated Deltas
9.7 Summary
References
Chapter 10. Nondeltaic, Shallow Marine Deposits and Reservoirs
Abstract
10.1 Introduction
10.2 Shallow Marine Processes and Environments
10.3 Nondeltaic Shallow Marine Deposits Within a Sequence Stratigraphic Framework
10.4 Shoreline and Shallow Marine Deposits
10.5 Shoreface/Shallow Marine Reservoirs
10.6 Barrier-Island Deposits and Reservoirs
10.7 Summary
References
Chapter 11. Deepwater Deposits and Reservoirs
Abstract
11.1 Introduction
11.2 Sedimentary Processes and Deposits Operative in Deep Water
11.3 Depositional Models
11.4 Architectural Elements of Deepwater Deposits
11.5 Deepwater Reservoir Examples
11.6 Summary
References
Chapter 12. Unconventional Resource Shales
Abstract
12.1 Introduction
12.2 Shale Depositional Processes and Environments
12.3 Shale Composition and Fabric Anisotropy
12.4 Shale Porosity, Permeability, and Pore Types
12.5 Geochemistry
12.6 Lithofacies Stacking and Sequence Stratigraphy
12.7 Geomechanics and Brittle–Ductile Couplets
12.8 Some Economic and Societal Considerations of Gas- and Oil-Bearing Shales
12.9 Concluding Remarks
References
Chapter 13. Geologic and Engineering Modeling
Abstract
13.1 Introduction
13.2 Outcrop “Reservoir” Modeling
13.3 Subsurface Case Study
13.4 Summary
References
Index
RS