Clastic Reservoir Characterization and
Sequence Stratigraphy

Clastic hydrocarbon reservoirs hold more than 40% of world oil and 60% of world gas reserves. Sandstones provide the best known conventional reservoirs although more and more unconventional tight reservoirs including low porosity and permeability sandstones, siltstones and shales are being exploited for oil and gas production. 

The objectives of this training course are to understand the deposition of clastic reservoir sequences and with the use of sequence stratigraphy and integrated stratigraphic analysis to further constrain geological models. Ultimately it can be used to predict and discover more hydrocarbon plays by understanding where to look for these systems tracts in a typical basin setting. These techniques will also be used to improve the estimation of play and prospect risk and to determine what lithology is going to be drilled ahead of the drill bit.

An overview of depositional environments and characteristics of unconventional reservoirs will also be discussed. This PetroKnowledge course will be presented as a 5-day interactive course dealing with the fundamentals of clastic reservoir characterization and the practical and predictive applications of sequence stratigraphy. It will include also exercises and some case histories for some interpretation and workshop discussion.

This training course will feature:

• Clastic reservoir characteristics and depositional environments an introduction.
• An overview of different types of sedimentary basins.
• Clastic reservoir systems tracts, lowstand delta, valley/canyon fill, basin floor fans, highstand and transgressive stands.
• An overview of clastic reservoir petrography, matrix and cements.
• Core and sidewall core analyses, sedimentary logs and integration of log data.
• An overview of petrophysical characteristics of sandstone reservoirs.
• The models and principles of seismic and sequence stratigraphy.
• Sequence definition from wells and seismic.
• Sequence stratigraphy in lacustrine environments.
• Unconventional clastic hydrocarbon reservoirs.
• Integration of other stratigraphic information, biostratigraphical, radiometric dating, chemostratigraphical.

By the end of this training course, participants will be able to:

• Understand what are the different types of clastic hydrocarbon reservoir and the different palaeoenvironments in which they are deposited
• Have a full understanding of sedimentary basin types and their depositional patterns
• Integrate sedimentary core, sidewall core and log data
• Recognize and interpret the petrography of the main clastic reservoir types
• Identify the main sequences on seismic
• Integrate other geological data and then identify sequences and parasequences on well logs
• Converse with the terms and definitions used in sequence and seismic stratigraphy
• Use sequence and seismic stratigraphy towards new play definition and as an aid in play and prospect risking
• Familiarize the different types of unconventional hydrocarbon reservoirs and how these are exploited

This PetroKnowledge training course will be beneficial for those who are interested in understanding clastic reservoir depositional systems and how these can be interpreted in a sequence stratigraphical sense to identify predictive play trends. Its primary use will be for those involved in lead and prospect generation.

This training course is suitable for a wide range of professionals, but will greatly benefit;

• Exploration geologists
• Development geologists
• Geophysicists
• Upstream subsurface professionals

The training course will be based around PowerPoint presentations for each module followed by interactive and participative individual and team exercises. There will also be workshop sessions based around real exploration and development case studies to get participants actively involved in the interpretation and characterization of clastic reservoirs and to become aware of the predictive capabilities of applied sequence and seismic stratigraphy. Course participants are also encouraged to bring along sedimentary data, logs and seismic where appropriate from their own companies so that real working examples can be reviewed and interpreted.

The organization will have well-trained personnel who can analyse Reservoir rocks in the framework of sequence stratigraphic assessment for a better understanding of reservoir limitations.

The new exploration and development wells will be de-risked by applying worldwide sequence stratigraphic techniques

Participants on this PetroKnowledge training course will be able to conduct sequence stratigraphic analysis for different Clastic and carbonate rocks and understand the response of these rock toward field productivity.

Furthermore, they will learn how to apply new methods and techniques for sequence analysis and combine all available data to reach to the best model for the area.