Applied Problems in Interpretation of Clastic Reservoir System
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Applied Problems in Interpretation of Clastic Reservoir System Course
Introduction:
The role of a subsurface geoscientist in any oil company is to find and/or develop commercial hydrocarbon reserves. To find those reserves, we must know where to find the reservoir. To develop those reserves, we must know how to delineate the reservoir. The purpose of this course is to help you understand the various clastic reservoir systems so that you can know how to find and delineate them by giving you a mental picture of how these systems look so that you may see them in your mind’s eye. This will be accomplished through a wide variety of correlation and mapping problems, all of which are based on real exploration and field development examples. Modern and outcrop analogs will be used, along with subsurface examples to provide the interpreter with a sound understanding of the reservoir distribution, both laterally and vertically of the clastic depositional systems most commonly encountered as oil and gas reservoirs. The course is exercise-oriented and taught in PowerPoint format. A course manual is also provided. The exercises in this course are designed to give you a strong working knowledge of the many depositional settings you are likely to encounter in your career. They are aimed at helping you to learn how to recognize them from well logs, and how to map them.
Course Objectives:
- UNDERSTAND the basics of correlating well logs in clastic sequences utilizing shale and resistivity markers, interval thickness, sequence stacking patterns and cross-sections
- REVIEW the fundamental controls that influence clastic depositional systems.
- UNDERSTAND the reservoir distribution and stacking pattern of braided, meandering, anatomizing and entrenched river systems.
- UNDERSTAND the reservoir distribution and stacking pattern of alluvial fans, deltas, and submarine fan systems.
- IMPROVE ability to construct accurate sand percent maps for reservoir prediction, and net sand and net pay isochore maps for accurate reservoir characterization.
Who Should Attend?
The course is designed for professionals involved in the prediction or delineation of clastic reservoirs. The course will be particularly useful for professionals early in their career and experienced professionals new to working with clastic reservoirs: Geologists, Geoscientists, Geophysicists, and Reservoir Engineers
Course Outlines:
Interpreting Classic Reservoir Systems
- Well Log Correlation
- First, second, and third order clastic sequences
- Transgressions and regressions
- Walther’s Law and cross-sections
- Sand Percent and Isopach Maps
Architectural Geometries of Clastic Reservoir Systems
- Delivery Systems vs. Dispersal Systems
- Sediment Input vs. Accommodation Space
Delivery Systems
- Braided Rivers
- Meandering Rivers
- Anastomosing Rivers
- Entrenched Rivers
Delivery Systems
- Alluvial Fans
- Deltas
- Submarine Fans
