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Institute For Oil & Gas Training
OGI-1433 New

Electrical Properties of Reservoir Rocks Training Course

Duration
5 days
CPD hours
15
Language
English
Next date
16 Nov 2026
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Overview

The Electrical Properties of Reservoir Rocks Training Course by Institute For Oil & Gas Training provides specialised technical knowledge and practical skills for evaluating the electrical behaviour of reservoir rocks through laboratory measurements, petrophysical analysis and formation evaluation techniques. The course focuses on Electrical Properties of Reservoir Rocks, including formation factor measurement, electrical resistivity testing and the determination of Archie parameters used to estimate hydrocarbon and water saturation in subsurface formations.

Electrical properties are fundamental to understanding reservoir characteristics and interpreting formation resistivity measurements obtained from well logging operations. The electrical response of reservoir rocks depends on several interconnected factors, including porosity, pore structure, fluid saturation, formation water salinity, mineral composition and the connectivity of conductive pathways. Understanding these relationships enables subsurface professionals to establish more reliable interpretations of reservoir conditions and improve the integration of laboratory core measurements with wireline logging data.

For oil and gas organisations, accurate electrical property evaluation supports reservoir characterisation, hydrocarbon saturation assessment and reserves estimation. Formation resistivity measurements provide important information about the distribution of conductive fluids within the pore system. However, interpreting these measurements requires an understanding of how rock properties and fluid characteristics influence electrical conductivity. Inaccurate assumptions about cementation exponent, saturation exponent or formation water resistivity introduce uncertainty into water saturation calculations and subsequent reservoir evaluations.

The course addresses the technical skills gap associated with measuring and interpreting the electrical properties of reservoir core samples. It develops participants' understanding of the fundamental relationships between porosity, resistivity, formation factor and fluid saturation. Particular attention is given to laboratory measurement procedures, sample preparation, brine saturation, electrical measurement techniques and the interpretation of experimental results.

Participants examine the application of Archie's equations and the significance of Archie parameters in formation evaluation. The programme explores how the cementation exponent reflects pore geometry and connectivity, while the saturation exponent describes the relationship between electrical resistivity and water saturation. It also addresses resistivity index analysis and the identification of factors that influence the reliability of electrical measurements.

The Electrical Properties of Reservoir Rocks Training Course connects laboratory core analysis with practical subsurface applications. Participants explore how electrical measurements contribute to the calibration of resistivity logs, evaluation of reservoir heterogeneity and assessment of hydrocarbon-bearing formations. The programme also considers the limitations of conventional Archie models when applied to complex lithologies, including shaly formations, carbonates and rocks with significant surface conductivity.

Delivered by Institute For Oil & Gas Training, this programme is designed for professionals involved in coring, core analysis, petrophysics, reservoir engineering and formation evaluation. It strengthens the technical capabilities required to evaluate laboratory data, determine representative electrical parameters and communicate reliable interpretations to multidisciplinary subsurface teams.

Objectives

  • Explain the fundamental electrical properties of porous reservoir rocks and their significance in petroleum reservoir evaluation.

  • Understand the relationship between electrical conductivity, resistivity, porosity, pore structure and formation fluid characteristics.

  • Identify the principal factors influencing electrical measurements in sandstone, carbonate and complex reservoir formations.

  • Explain the principles and applications of formation factor measurement in laboratory core analysis.

  • Understand electrical resistivity testing procedures and the importance of representative core sample preparation.

  • Evaluate the influence of formation water resistivity, brine salinity and temperature on electrical measurement results.

  • Interpret Archie parameters and understand their relationship with reservoir pore geometry and fluid saturation.

  • Determine and evaluate the significance of the cementation exponent in formation factor analysis.

  • Understand the saturation exponent and its application in resistivity index analysis.

  • Analyse resistivity index measurements and their relationship with water saturation.

  • Identify the limitations of conventional Archie equations when evaluating complex and clay-bearing formations.

  • Assess laboratory measurement quality and recognise potential sources of experimental uncertainty.

  • Integrate electrical core analysis results with porosity, permeability and formation resistivity logging data.

  • Apply electrical property measurements to improve water saturation interpretation and reservoir characterisation.

  • Communicate electrical measurement findings and technical interpretations effectively within multidisciplinary subsurface teams.

Training methodology

The Electrical Properties of Reservoir Rocks Training Course follows an applied, industry-focused methodology that connects electrical measurement principles with the practical requirements of reservoir characterisation and formation evaluation. Institute For Oil & Gas Training structures the programme around laboratory workflows and interpretation practices used by petrophysicists, core analysts, reservoir engineers and subsurface specialists.

The delivery approach combines specialist technical presentations, laboratory-based case studies, electrical measurement demonstrations, interpretation exercises and group discussions. These methods help participants understand the relationship between theoretical electrical models and measurements obtained from actual reservoir core samples.

Technical Presentations and Specialist Discussions

Participants examine the physical principles governing electrical conductivity and resistivity in porous rocks. Technical presentations explain the influence of pore geometry, porosity, brine salinity, fluid saturation and mineral composition on measured electrical properties. Specialist discussions connect these concepts with practical reservoir evaluation requirements.

Laboratory Measurement Case Studies

Practical case studies introduce participants to formation factor measurement and electrical resistivity testing. Participants examine core sample preparation, fluid saturation procedures, electrode arrangements, measurement conditions and data recording. These exercises highlight the importance of controlling experimental variables when obtaining representative electrical property measurements.

Archie Parameter Interpretation Exercises

Participants work through technical examples involving formation factor, resistivity index and Archie parameters. They examine the determination of the cementation exponent and saturation exponent, assess the influence of different parameter values and evaluate their implications for water saturation calculations.

Real-World Reservoir Evaluation Scenarios

Industry-based scenarios demonstrate how electrical property measurements support formation evaluation and reservoir characterisation. Participants examine differences between laboratory measurements and formation resistivity logs, identify potential sources of uncertainty and consider the appropriate use of core-derived parameters in petrophysical interpretation.

Group Exercises and Technical Problem-Solving

Collaborative exercises encourage participants to evaluate electrical measurement results, investigate inconsistencies and discuss alternative interpretations. These activities develop technical communication and strengthen participants' ability to integrate core analysis information with geological, petrophysical and reservoir engineering data.

The methodology emphasises measurement quality, technical accuracy and practical interpretation. Participants develop a structured approach to evaluating electrical properties and applying laboratory-derived parameters to operational subsurface challenges.

Organisational impact

Organisations operating in the oil and gas sector require reliable reservoir data to support exploration, development planning and production decisions. Electrical properties of reservoir rocks provide an important connection between laboratory core measurements and formation evaluation. Developing employees' capabilities in this area strengthens the quality of technical assessments and supports more consistent subsurface decision-making.

Improved Reservoir Characterisation

Accurate electrical property measurements provide additional information about pore connectivity, formation water distribution and reservoir characteristics. Employees who understand these relationships contribute to more comprehensive reservoir characterisation and better integration of core analysis results with other subsurface datasets.

More Reliable Water Saturation Evaluation

The determination of appropriate Archie parameters directly influences water saturation calculations. Improved understanding of the cementation exponent, saturation exponent and formation factor helps organisations establish more representative inputs for petrophysical interpretation and reduce uncertainty associated with unsupported parameter assumptions.

Enhanced Laboratory Measurement Quality

A structured understanding of electrical resistivity testing improves laboratory practices involving core preparation, fluid saturation, measurement conditions and data evaluation. This supports better measurement consistency, improved documentation and more effective identification of experimental errors.

Better Integration of Core and Well Logging Data

Core-derived electrical parameters help calibrate formation resistivity interpretations. Improved collaboration between laboratory specialists, petrophysicists and reservoir engineers strengthens data integration and supports more representative formation evaluation models.

Reduced Interpretation Uncertainty

Understanding the limitations of conventional electrical models helps technical teams recognise situations where standard assumptions do not adequately describe reservoir behaviour. This is particularly important when evaluating shaly sands, heterogeneous carbonates and formations with significant surface conductivity.

Improved Technical Efficiency

Employees with stronger electrical property analysis capabilities can evaluate laboratory results more effectively, identify inconsistencies and communicate technical findings with greater clarity. This improves coordination between core analysis laboratories and subsurface departments while supporting more efficient technical workflows.

Stronger Technical Decision-Making

Reliable electrical property data supports reservoir assessment, saturation modelling and development planning. Organisations benefit from employees who can evaluate the technical basis of electrical measurements and provide better-supported recommendations to multidisciplinary teams.

Personal impact

The Electrical Properties of Reservoir Rocks Training Course strengthens participants' technical capabilities in core analysis, petrophysics and reservoir evaluation. It provides an opportunity to develop specialised knowledge that supports increasingly complex subsurface assignments and professional responsibilities.

Specialised Technical Knowledge

Participants develop a deeper understanding of electrical conductivity, resistivity, formation factor and resistivity index. They gain the technical foundation required to evaluate how rock structure and fluid characteristics influence electrical measurements.

Improved Laboratory Analysis Skills

The programme strengthens participants' understanding of laboratory measurement workflows, including sample preparation, brine saturation, electrical resistivity testing and data quality evaluation. These capabilities support more confident involvement in core analysis activities.

Greater Confidence in Archie Parameter Evaluation

Participants improve their ability to interpret Archie parameters and understand the significance of the cementation exponent and saturation exponent. They develop a clearer understanding of how these parameters influence formation evaluation and water saturation calculations.

Enhanced Petrophysical Interpretation

The course develops participants' ability to connect laboratory electrical measurements with well logging data. They gain a stronger understanding of how core-derived electrical properties contribute to formation evaluation and reservoir characterisation.

Better Technical Problem-Solving

Participants learn to identify measurement inconsistencies, evaluate experimental limitations and investigate factors influencing electrical property results. This strengthens their ability to address technical challenges in laboratory and subsurface environments.

Improved Professional Collaboration

The programme develops the ability to communicate electrical measurement findings with colleagues in geology, petrophysics, reservoir engineering and laboratory operations. Participants gain a clearer understanding of how their technical responsibilities contribute to wider reservoir evaluation activities.

Career Development

The specialised knowledge gained supports professional development in petrophysics, special core analysis, reservoir engineering and formation evaluation. Participants strengthen their technical competence and expand their ability to contribute to projects involving advanced reservoir characterisation.

Who should attend

  • Petrophysicists: Professionals responsible for interpreting formation resistivity, evaluating water saturation and integrating laboratory-derived electrical parameters into petrophysical models.

  • Core Analysis Specialists: Laboratory professionals involved in measuring and evaluating the physical and electrical properties of reservoir core samples.

  • Special Core Analysis Engineers: Specialists working with advanced core measurements, fluid saturation behaviour and electrical properties used in reservoir evaluation.

  • Reservoir Engineers: Engineers requiring a stronger understanding of electrical core data and its contribution to reservoir characterisation and hydrocarbon saturation assessment.

  • Formation Evaluation Engineers: Professionals integrating well logging measurements, core analysis results and petrophysical parameters to evaluate subsurface formations.

  • Well Log Analysts: Specialists interpreting resistivity logs and requiring a better understanding of the laboratory measurements used to calibrate electrical formation evaluation models.

  • Geologists and Reservoir Geologists: Professionals seeking to understand the influence of pore structure, mineral composition and reservoir heterogeneity on electrical properties.

  • Core Laboratory Technicians: Technical personnel responsible for core preparation, fluid saturation, laboratory testing and electrical measurement procedures.

  • Research and Development Specialists: Professionals involved in developing, evaluating or improving laboratory measurement methods and reservoir characterisation techniques.

  • Subsurface Team Leaders and Managers: Supervisors responsible for coordinating petrophysical, geological, reservoir engineering and laboratory activities.

  • Technical Consultants: Consultants supporting reservoir studies, special core analysis programmes and formation evaluation projects.

Course outline

This module introduces the fundamental principles governing the electrical behaviour of reservoir rocks and explains their importance in petroleum exploration, reservoir characterisation and formation evaluation. Participants examine the relationship between rock composition, pore structure, fluid distribution and electrical conductivity.

The module establishes the technical foundation for understanding electrical resistivity measurements and their interpretation. Particular attention is given to the influence of porosity, pore connectivity, mineral composition, formation water salinity and temperature on the electrical response of reservoir samples.

  1. API Recommended Practice 40

    • API RP 40 provides recognised industry guidance on core analysis procedures and the handling and evaluation of reservoir core samples.

    • Its technical principles provide useful background for understanding core preparation, sample integrity and the relationship between laboratory measurements and reservoir properties.

    • The second edition was published in February 1998 and the document is now withdrawn. It is therefore treated as a historical technical reference rather than a current mandatory standard.

    • Participants examine its relevance to established petroleum core analysis practices.

    Learning Outcomes

    • Explain the fundamental principles of electrical conductivity and resistivity in reservoir rocks.

    • Identify the principal factors influencing the electrical response of porous formations.

    • Differentiate between the electrical behaviour of sandstone and carbonate reservoirs.

    • Evaluate the influence of pore structure, mineralogy and fluid characteristics on electrical properties.

    • Explain the significance of electrical measurements in reservoir characterisation and formation evaluation.

This module focuses on the laboratory techniques used to measure the electrical properties of reservoir core samples. Participants examine the principles of formation factor measurement, the relationship between rock resistivity and formation water resistivity, and the experimental requirements for obtaining reliable measurements.

The module explores sample preparation, brine saturation, electrode configurations and measurement procedures. It also addresses the importance of controlling experimental conditions and evaluating potential sources of error during electrical resistivity testing.

  1. SY/T 6712-2023

    • SY/T 6712-2023 is a Chinese petroleum industry specification titled Specification for Laboratory Measurement of Electrical Parameters of Rock Samples.

    • It provides a directly relevant technical reference for laboratory electrical parameter measurements on rock samples.

    • The specification supports understanding of electrical measurement procedures and the technical requirements associated with obtaining representative laboratory results.

    • Participants examine its relevance alongside established laboratory practices and the measurement procedures used within their organisations.

    Learning Outcomes

    • Explain the principles and applications of formation factor measurement.

    • Describe the procedures involved in preparing core samples for electrical testing.

    • Understand the requirements for brine saturation and laboratory measurement conditions.

    • Differentiate between the principal electrode configurations used in electrical testing.

    • Evaluate electrical resistivity measurements and identify potential sources of error.

    • Assess the reliability and consistency of laboratory electrical measurement results.

This module examines the application of Archie's equations in the evaluation of electrical properties and the estimation of reservoir fluid saturation. Participants explore the relationship between formation factor, porosity and the Archie parameters used to describe the electrical characteristics of porous formations.

Particular emphasis is placed on the cementation exponent and its relationship with pore geometry, connectivity and tortuosity. Participants also examine the interpretation of laboratory measurements, parameter determination and the limitations of applying generalised Archie values across different reservoir lithologies.

  1. ISO/IEC 17025

    • ISO/IEC 17025 establishes general requirements for the competence, impartiality and consistent operation of testing and calibration laboratories.

    • It provides a recognised framework for laboratory quality management and technically valid measurement activities.

    • Its principles address equipment suitability, measurement traceability, method validation and the reliability of reported results.

    • Participants examine its relevance to the quality and credibility of electrical property measurements performed in laboratory environments.

    Learning Outcomes

    • Explain the principles and practical applications of Archie's equations.

    • Interpret the relationship between formation factor and porosity.

    • Identify the functions of the Archie parameters a, m and n.

    • Explain the physical significance of the cementation exponent.

    • Evaluate how pore structure, tortuosity and connectivity influence cementation exponent values.

    • Interpret laboratory results to understand Archie parameter behaviour.

    • Recognise the limitations of using generalised cementation exponent values for different reservoir formations.

This module focuses on the relationship between electrical resistivity and fluid saturation in reservoir rocks. Participants examine the principles of resistivity index analysis and its application in determining the saturation exponent through laboratory measurements.

The module explores how changes in water saturation influence electrical conduction and the measured resistivity of reservoir samples. It also examines the experimental requirements for saturation-dependent resistivity testing and the interpretation of results for petrophysical evaluation and hydrocarbon saturation assessment.

  1. ASTM D2216

    • ASTM D2216 is the Standard Test Methods for Laboratory Determination of Water Content of Soil and Rock by Mass.

    • It provides recognised procedures for determining water content through laboratory mass measurements.

    • Its principles are relevant to understanding moisture and fluid-content measurements associated with rock sample preparation and evaluation.

    • Participants examine the importance of reliable fluid-content measurements and appropriate laboratory documentation when interpreting electrical testing results.

    Learning Outcomes

    • Explain the relationship between electrical resistivity and water saturation.

    • Describe the principles and applications of resistivity index analysis.

    • Interpret the physical significance of the saturation exponent.

    • Understand the laboratory procedures used to measure saturation-dependent resistivity.

    • Evaluate resistivity index versus water saturation relationships.

    • Understand the influence of wettability, pore structure and fluid distribution on electrical properties.

    • Identify potential sources of uncertainty in saturation exponent determination.

This module integrates the electrical measurement principles and interpretation techniques covered throughout the course. Participants examine how formation factor, cementation exponent, saturation exponent and resistivity index measurements contribute to advanced petrophysical evaluation and reservoir characterisation.

The module also considers the limitations of conventional Archie models in complex formations and the importance of integrating electrical core analysis results with other laboratory and well logging measurements. Practical case studies demonstrate how electrical property data supports reservoir evaluation, water saturation interpretation and subsurface decision-making.

  1. ISO 10012

    • ISO 10012 provides requirements and guidance for measurement management systems.

    • It addresses the management of measurement processes and measuring equipment to ensure confidence in measurement results.

    • Its principles support appropriate measurement controls, equipment management and the reliability of measurement processes.

    • Participants examine how measurement management principles strengthen the consistency and traceability of laboratory electrical property data.

    Learning Outcomes

    • Integrate formation factor, resistivity index and Archie parameters into reservoir evaluation.

    • Apply laboratory-derived electrical parameters to water saturation interpretation.

    • Understand the relationship between core measurements and formation resistivity logging data.

    • Identify the limitations of conventional Archie models in complex reservoir formations.

    • Evaluate electrical properties in shaly sand and carbonate reservoirs.

    • Assess the influence of reservoir heterogeneity on electrical measurement interpretation.

    • Integrate electrical property information with other petrophysical and core analysis datasets.

    • Communicate laboratory findings and electrical property interpretations effectively.

    • Apply a structured approach to evaluating electrical measurement data for reservoir characterisation.

Certificate

Upon successful completion of the Electrical Properties of Reservoir Rocks Training Course, attendees will receive a Certificate of Completion from Institute For Oil & Gas Training.

The certificate recognises participation in the programme and completion of its professional training requirements. Attendees are required to satisfy the course attendance requirement and participate in the scheduled training activities to qualify for the certificate.

Course dates

  • Europe

    Middle East

    Asia

    Africa

    North America

    Online

    Fee: £4,100

  • Europe

    Middle East

    Asia

    Africa

    North America

    Online

    Fee: £4,100

  • Europe

    Middle East

    Asia

    Africa

    North America

    Online

    Fee: £4,100

  • Europe

    Middle East

    Asia

    Africa

    North America

    Online

    Fee: £4,100

Fees include tuition, course materials and refreshments. Need different dates or a different city? Ask about your preferred date.

Frequently asked questions

What are the electrical properties of reservoir rocks?

The electrical properties of reservoir rocks describe how rocks conduct or resist electrical current. They depend on factors such as porosity, pore connectivity, mineral composition, formation water salinity and fluid saturation. Electrical resistivity, formation factor and resistivity index are important parameters used in petrophysical interpretation and reservoir characterisation.

What is the importance of formation factor measurement in reservoir evaluation?

Formation factor measurement establishes the relationship between the electrical resistivity of a fully brine-saturated rock sample and the resistivity of the brine itself. It provides information about pore structure, connectivity and the electrical characteristics of the reservoir. Formation factor measurements also contribute to determining Archie parameters used in water saturation calculations.

What are the Archie parameters, and why are they important?

Archie parameters include the tortuosity factor, cementation exponent and saturation exponent. They describe relationships between porosity, formation resistivity and fluid saturation. The cementation exponent reflects the influence of pore structure and connectivity on electrical behaviour, while the saturation exponent describes how resistivity changes as water saturation varies. These parameters support more representative formation evaluation and water saturation interpretation.

Who should attend the Electrical Properties of Reservoir Rocks Training Course?

The course is designed for petrophysicists, core analysis specialists, special core analysis engineers, reservoir engineers, formation evaluation engineers, well log analysts, geologists and laboratory technicians. It is also suitable for technical consultants, research specialists and subsurface managers responsible for reservoir characterisation and laboratory measurement activities.

How will this course improve practical reservoir analysis capabilities?

The course develops participants' understanding of electrical resistivity testing, formation factor measurement, Archie parameter determination and resistivity index analysis. Participants learn how laboratory measurements relate to formation resistivity logs and water saturation calculations. These capabilities support improved laboratory data evaluation, more reliable petrophysical interpretation and better integration of core analysis results into reservoir studies.

Next: 16 Nov 2026

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