Carbonate Sequence Stratigraphy and Application to Petroleum Reservoirs
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This course examines the processes leading to the formation and accumulation of carbonate rocks and how sequence stratigraphy provides a predictive method to understand the formation of carbonate reservoirs.
Facies and facies models are described, including their variation in different tectonic settings. The principles and the practical application of sequence stratigraphy are studied, together with discussion on how this improves our understanding of carbonate reservoirs.
Diagenetic changes that carbonate rocks undergo are also analysed, and, where possible, set within a sequence stratigraphic framework.
- Processes and environments of carbonate sediment formation. Carbonate factories. Depositional environments, facies for attached carbonate platform; Florida Shelf.
- Exercises: Modern carbonate grains and facies; the building blocks for limestones
- Depositional environments and facies of unattached carbonate platforms and Bahamas carbonate slopes. Facies models for rimmed carbonate platforms.
- Exercises: Caicos platform; environments and facies, Sedimentary (graphic) log construction
- Depositional environments, facies and facies models for carbonate ramps. Arabian Gulf Case Study
- Exercise on graphic log and cross section construction and interpretation
- Principles of carbonate sequence stratigraphy.
- Exercises: Outcrop and seismic sequence stratigraphy of carbonates
- Application of carbonate sequence stratigraphy to rimmed shelves and to ramps.
- Exercises: Seismic sequence stratigraphy of carbonates
- Major Controls on Occurrence of carbonate platforms and genetic classification
- Near-surface diagenetic environments of limestones and dolomitization, and relations to depositional sequences
- Burial diagenetic environments of limestones and dolomites. Diagenetic trends.
- Exercise: Diagenesis and porosity evolution of carbonates
- Porosity and permeability evolution in carbonate reservoir rocks, rock types, and classification of carbonate reservoirs.
- Exercise: Diagenesis and porosity evolution of carbonate reservoir rocks
- Carbonate platforms, facies and reservoirs through geological time
Target audience: all geologists, geophysicists and petroleum engineers involved in exploration and development for carbonate reservoirs.
Participants should have basic knowledge and the vocabulary of sedimentology. Normally this means studying this within a degree in Geology. However, participants with other backgrounds, but practical working knowledge of carbonate rocks (limestones and dolomites), and reservoirs should also participate, and gain much from this course.