An Interactive 5-Day Training Course
Lacustrine Systems & Reservoirs
Lake Basins, Source and Reservoir
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Duration
5 Days
Price
$ 3,500
Starting From
12 Apr 2027
Home Geology and Geoscience Lacustrine Systems & Reservoirs
Lacustrine Systems & Reservoirs
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Lacustrine Systems & Reservoirs - GG-LAC-PEA27
| Code | Date | Time | Duration | Location | Currency | Early Bird Fee Per Person |
|---|---|---|---|---|---|---|
| GG-LAC-PEA27 | 12 - 16 Apr 2027 | 10 AM CST | 4 Hours Per Day |
Online |
USD |
3500 |
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Lacustrine Systems & Reservoirs
Description
Lacustrine basins produce some of the richest source rocks in the world and some of the most difficult reservoirs. Lake source rocks can reach organic carbon contents several times those of typical marine shales, because lakes stratify readily, have small volumes relative to their organic input, and can maintain anoxia over long periods. The same sensitivity makes the reservoirs difficult: a lake responds rapidly to climate and tectonics, so lake level, salinity, chemistry and sediment supply all change on short timescales, and the resulting succession changes facies vertically over metres.
This training covers these systems from basin to reservoir. Lake types are established first, covering overfilled balanced-fill and underfilled classification, the tectonic settings that produce lakes, and the climatic controls on their hydrology. Lake processes follow: stratification, mixing regimes, salinity evolution, water chemistry, and the controls on organic preservation. Source rocks are then developed in detail, covering organic input, algal and bacterial contributions, kerogen type, source quality variation and the distinctive character of lacustrine-sourced oils. Reservoir types follow: lacustrine deltas, shoreline and beach deposits, turbidite systems in deep lakes, and lake margin fans. Carbonate and microbial deposits are then covered, including the alkaline lake systems that produce pre-salt type reservoirs. Lake level cyclicity and its correlation use is developed, together with the rapid facies variation that makes lake successions difficult to correlate. The training closes with exploration and development issues specific to lacustrine basins.
Lake size and depth are controlled by the balance between water supply and basin accommodation, and that balance is the primary control on everything else. An overfilled lake, where water supply exceeds accommodation, overflows, stays fresh, and deposits fluvial and deltaic sediment with well oxygenated bottom water and limited organic preservation. An underfilled lake, where accommodation exceeds supply, becomes closed, evaporates, concentrates salts and deposits evaporites. A balanced-fill lake fluctuates between these states, and it is in this condition that the best source rocks typically form, because deep stratified anoxic conditions alternate with high organic productivity.
Lacustrine source rocks differ from marine source rocks in ways that matter commercially. Algal and bacterial input produces predominantly Type I kerogen with high hydrogen content and very high generation potential. The resulting oils are typically waxy, with high pour points and low sulphur, which affects flow assurance, processing and value. Freshwater lake sources differ again from saline lake sources in biomarker signature and oil properties. Recognising lacustrine charge from oil geochemistry is straightforward and informs the exploration model directly.
Facies change rapidly in lakes, both vertically and laterally, and this is the principal reservoir characterisation difficulty. A lake has no tidal range to spread energy across a broad coastal zone, so shoreline facies belts are narrow and migrate far across the basin with small lake level changes. A few metres of lake level fall can move a shoreline many kilometres, stacking shoreline sands in positions that conventional shallow marine reasoning would not predict. Correlation requires lake level cycles rather than facies continuity.
Finally, lake basins often contain the source and the reservoir in close association, which is an exploration advantage. Turbidites interbedded with source shale, deltaic sands prograding over organic-rich mudstone, and carbonate build-ups adjacent to source intervals all give short migration paths and high charge efficiency. The corresponding risk is seal and compartmentalisation, because the same rapid facies variation that juxtaposes source and reservoir also produces discontinuous sand bodies and laterally variable seals.
By the end of this training, participants will be able to:
- Classify lake basins and relate them to tectonic and climatic setting
- Interpret lake hydrology, stratification and water chemistry from the sedimentary record
- Assess lacustrine source rock development, quality and distribution
- Recognise lacustrine-sourced oils from their geochemical character
- Characterise lacustrine deltaic, shoreline and turbidite reservoirs
- Interpret lacustrine carbonate and microbial deposits
- Apply lake level cyclicity to correlation in lacustrine successions
- Predict facies distribution and its rapid variation in lake basins
- Assess reservoir quality and seal in lacustrine systems
- Apply the interpretation to exploration and development in lake basins
Organisations sending participants to this training will:
- Evaluate lacustrine source rock potential more accurately
- Improve reservoir prediction in rapidly varying lake successions
- Correlate lake basin successions using lake level cycles
- Assess compartmentalisation risk in lacustrine reservoirs
- Anticipate waxy crude and flow assurance issues from charge type
- Build capability in rift and lake basin exploration
Participants will:
- Interpret lake type and hydrology from the rock record
- Assess lacustrine source rock quality and distribution
- Characterise lake reservoir types and their geometry
- Correlate using lake level cycles rather than facies continuity
- Recognise lacustrine charge from oil properties
- Build specialist capability in lake basin systems
- Exploration geologists working in rift and lake basins
- Reservoir geologists on lacustrine fields
- Geochemists assessing source rock and oil character
- Basin analysts working on continental basins
- Reservoir modellers building lacustrine static models
- Geoscientists working on pre-salt and rift lake plays
- Experienced geoscientists extending into lacustrine systems
Module 1 - Lake Basins and Their Controls
- Lake basin classification
- Overfilled, balanced-fill and underfilled lakes
- Tectonic settings: rift, foreland, strike-slip, intracratonic
- Rift lake evolution through basin development
- Climatic control on lake hydrology
- Water balance and accommodation
- Lake size, depth and their variability
- Closed and open lake hydrology
- Modern lake analogues and their use
- Global distribution of lacustrine petroleum systems
- Lacustrine against marine basin differences
Module 2 - Lake Processes and Chemistry
- Thermal and chemical stratification
- Mixing regimes and lake turnover
- Anoxia development and persistence
- Nutrient supply and primary productivity
- Salinity evolution and its controls
- Alkaline lake chemistry
- Carbonate saturation and precipitation
- Evaporite precipitation in closed lakes
- Wave and wind processes in lakes
- Density currents and underflows
- Seasonal processes and varve formation
- Chemical sedimentation and its record
Module 3 - Lacustrine Source Rocks
- Organic matter sources in lakes
- Algal and bacterial contributions
- Kerogen types in lacustrine source rocks
- Organic carbon content and its range
- Hydrogen index and generation potential
- Controls on organic preservation
- Source rock distribution within a lake basin
- Lateral and vertical source quality variation
- Freshwater against saline lake source character
- Maturation and expulsion from lacustrine sources
- Lacustrine oil properties: waxiness, pour point, sulphur
- Biomarkers identifying lacustrine charge
Module 4 - Lacustrine Clastic Reservoirs
- Lacustrine delta types and their geometry
- Delta response to rapid lake level change
- Gilbert type deltas and steep clinoforms
- Mouth bar and distributary facies in lakes
- Shoreline, beach and barrier deposits
- Wave reworking and its limits in lakes
- Narrow facies belts and rapid shoreline migration
- Lacustrine turbidite systems
- Hyperpycnal flows and their deposits
- Lake margin fan deltas and alluvial fans
- Sand body geometry and connectivity in lakes
- Reservoir quality in lacustrine clastics
Module 5 - Lacustrine Carbonate and Chemical Deposits
- Carbonate production in lakes
- Biologically induced carbonate precipitation
- Microbial carbonate in lake margins
- Stromatolite and thrombolite development
- Spherulitic and shrubby fabrics in alkaline lakes
- Magnesium clay deposits and their significance
- Oolitic and bioclastic lacustrine carbonates
- Travertine and tufa deposits
- Evaporite deposition and mineral sequence
- Lacustrine carbonate reservoir quality
- Pre-salt lacustrine carbonate reservoirs
- Chemical deposit correlation value
Module 6 - Lake Level Cyclicity and Correlation
- Lake level change drivers and rates
- Climatic cyclicity and orbital forcing
- Tectonic control on lake level
- Lake level cycle recognition in core and logs
- Expansion and contraction cycles
- Transgressive and regressive lake successions
- Exposure surfaces and desiccation features
- Flooding surfaces in lake successions
- Sequence stratigraphy applied to lakes
- Correlating with lake level cycles
- Chemostratigraphy in lacustrine correlation
- Biostratigraphic tools in continental successions
Module 7 - Facies Variability and Reservoir Prediction
- Rapid vertical facies change and its causes
- Lateral facies change over short distances
- Predicting facies away from well control
- Shoreline position and lake level reconstruction
- Seismic expression of lacustrine systems
- Seismic geomorphology in lake basins
- Static model construction for lacustrine reservoirs
- Connectivity assessment in discontinuous sands
- Seal distribution and its variability
- Compartmentalisation risk assessment
- Analogue selection for lacustrine reservoirs
- Uncertainty in lacustrine reservoir prediction
Module 8 - Exploration and Development in Lake Basins
- Lacustrine play types and their elements
- Source reservoir juxtaposition and charge efficiency
- Migration paths in lake basins
- Trap types in rift lake settings
- Seal risk in lacustrine successions
- Prospect risking in lake basins
- Appraisal strategy with rapid facies change
- Development challenges in lacustrine reservoirs
- Waxy crude production and flow assurance
- Water handling and produced water chemistry
- Unconventional potential of lacustrine source intervals
- Field and exploration cases from lacustrine basins
Upon successful completion of this training course, delegates will be awarded an official Certificate of Completion issued by the Petroleum Engineers Association (PEA), an ISO 9001:2015 certified training organization. The certificate carries 10 Credits and formally records the total learning hours completed.
Each certificate is signed by the Course Facilitator and the CEO of the Petroleum Engineers Association, and serves as verifiable proof of professional training that delegates can present to employers and professional bodies worldwide.
Frequently Asked Questions
All course bookings made through PEA are strictly non-refundable. By registering for a course, you acknowledge and accept that all fees are payable in full and are not subject to refund under any circumstances, including changes in personal or professional commitments or partial attendance.
PEA reserves the right to make reasonable adjustments to course content, trainers, or schedules where necessary, without entitling delegates to a refund. Comprehensive details of each course — including objectives, target audience, and content — are clearly outlined before enrolment, and it is the responsibility of the delegate to ensure the course's suitability prior to booking.
For any inquiries related to cancellations or bookings, please contact our support team, who will be happy to assist you.
