Oil & Gas and Petroleum
Carbonate Sedimentology and Sequence Stratigraphy
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Carbonate Sedimentology and Sequence Stratigraphy Course
Introduction:
This five-day course covers the basic concepts of carbonate sedimentology and sequence stratigraphy with emphasis on their practical applications for oil and gas exploration, appraisal and production. All concepts are illustrated with examples of outcrop well-log, core, and seismic data.
Course Objectives:
The ultimate objective of the course is to provide geologists, geophysicists, and engineers with tools and methodologies of carbonate sedimentology and sequence stratigraphy to effectively predict the presence and quality of the reservoir, source rock, and seal.
Who Should Attend?
Designed for geologists, geophysicists, and engineers actively working in the exploration and production of carbonate rocks.
Course Outlines:
- Principles of Carbonate Production
- Modes of marine precipitation, carbonate-specific aspects of deposition and erosion.
- Differences with clastic sedimentation. Carbonate mineralogy and diagenesis.
- Classification of carbonate rocks.
- Marine Modern Carbonate Environments and Facies Models
- Carbonate Depositional Systems: Marine shallow-water and deep-water carbonates
- Non-marine (lacustrine) Carbonates
- The geometry of carbonate accumulations: ramp, platforms, slope, localized accumulations, reefs and subtypes. Wilson’s facies belts.
- Carbonate Sequence Stratigraphy
- Systems tracts: low stand (LST) transgressive (TST) and high stand (HST) system tracts.
- Relative sea level changes deduced from seismic. Shoreline Trajectory.
- The catch-up and keep-up high stand platform models.
- Low stand deposits: allochthonous wedges, autochthonous wedges and platform/bank margin wedges
- Selected Examples
- Anatomy of a reef: The Capitan Reef (Permian), Texas, USA
- An Isolated carbonate platform: the supergiant Tengiz Field (Carboniferous), Kazakhstan
- A seismically well-imaged, back-stepping platform, the Tertiary of the Maldives Islands
- Microbial limestones as reservoirs: the pre-salt (Cretaceous) of offshore Brazil
