An Introduction to Mudrock Reservoirs: Basin Setting, Stratigraphy, Sedimentology and Rock Properties

GeoLogica Limited
Course summary
16 hours
1,100 USD
Online courses
Next available date: 06/12/2021 - Online courses
Professional Training

Course description

An Introduction to Mudrock Reservoirs: Basin Setting, Stratigraphy, Sedimentology and Rock Properties

The evaluation of shale reservoirs presents a unique challenge: whereas some of the approaches applied are the same as for conventional reservoirs, many new methodologies and tools have been developed for the assessment of this unconventional resource. In this seminar, participants are exposed to the latest concepts of mudrock sedimentation and how it relates to reservoir properties. The development of mudrock successions, including depositional processes and stratigraphic cycles, is highlighted.

Suitability - Who should attend?

Intended for all subsurface professionals involved in the evaluation of unconventional resources. Geologists, geophysicists, petrophysicists and engineers who want to understand mudrock deposition relative to reservoir properties will benefit from the concepts and techniques presented.

Participants should have a basic familiarity with resource plays. Some understanding of depositional processes and sequence stratigraphy is recommended.

Outcome / Qualification etc.

  • Determine the key geologic parameters that affect the attributes of shale reservoirs.
  • Identify the components of basin analysis required when scoping a new shale play.
  • Integrate a variety of data types necessary to identify and map optimum drilling locations and targets.
  • Evaluate the variety of depositional processes and changes in environmental conditions recorded in a shale succession and tie that information back to well log character.
  • Assess the basic stratigraphic framework of shale reservoirs and understand how systematic vertical changes relate to fabric, composition, texture and, ultimately, reservoir quality.
  • Interpret and correlate well logs utilizing a sequence stratigraphic framework.
  • Understand the observations and methodology necessary when describing and interpreting mudrock cores.
  • Define the key rock parameters that control reservoir quality and mechanical properties.
  • Describe the latest methodologies of pore-scale imaging for shale evaluation.

Training Course Content


  • Mudrock definition
  • Lithologic heterogeneity
  • Critical play elements

Data Mining (Play Reconnaissance)

  • Published literature
  • Existing production
  • Mudlog shows and tests
  • Core, cuttings and outcrop samples

Regional Evaluation (Sweet Spot Identification)

  • Basin analysis
  • Isopach and isolith mapping
  • Rock quality mapping
  • Hydrocarbon saturation mapping
  • Structure mapping
  • Pressure compartments and thermal anomalies
  • Organic geochemistry
  • Geophysical attribute mapping

Stratigraphic Framework

  • Basinal setting
  • Depositional processes
  • Organisms and organic matter
  • Stratigraphic cyclicity
  • Sequence stratigraphy and well log patterns
  • Regional correlations and variations

Core Description

  • Mudrock classification
  • Composition and texture
  • Sedimentary structures and depositional processes
  • Fracture types and styles
  • Mechanical stratigraphy

Rock Description (Reservoir Quality)

  • Mineralogy and lithologic components
  • Fabric
  • Pore systems
  • Cements
  • Fractures
  • Fluids

Exercises conducted during the course:

  • Mowry Shale Sequence Stratigraphy core interpretation and regional well log correlation
  • Niobrara Formation well log sequence stratigraphy
  • Graneros and Greenhorn Formations well log sequence stratigraphy

Course delivery details

  • 8am-12pm CDT
  • Fou 4-hour interactive online sessions presented over 4 days (mornings in North America and afternoons in Europe). A digital manual and exercise materials will be distributed to participants before the course. Some reading and several exercises are to be completed by participants off-line.

About provider

Providing world-class training for the energy industry, GeoLogica is an experienced team with an extensive network of tutors and instructors on their books. Their expertise spans both subsurface training for the oil and gas industry, as well as training aimed...

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GeoLogica Limited

Oxford Point, 19 Oxford Road
BH8 8GS Bournemouth Dorset

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