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Institute For Oil & Gas Training
OGI-1448 New

Core Compressibility and Pore Volume Compressibility Testing Training Course

Duration
5 days
Language
English
Next date
23 Nov 2026
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Overview

Core Compressibility Testing is a specialised laboratory rock mechanics and reservoir characterisation discipline that evaluates how reservoir rocks deform and change their pore volume under applied pressure and stress conditions. The Core Compressibility and Pore Volume Compressibility Testing Training Course by Institute For Oil & Gas Training equips oil and gas professionals with the technical knowledge and practical interpretation skills required to assess rock compressibility measurement, understand pore volume compressibility, and evaluate the influence of reservoir pressure effects on formation behaviour and hydrocarbon production.

Reservoir rocks experience continuous changes in effective stress throughout their operational life. Initial reservoir development, hydrocarbon withdrawal, pressure depletion, water injection, gas injection and enhanced oil recovery activities influence the stress conditions acting on the rock framework. These changes affect pore structures, grain contacts, formation compaction and the available pore volume. Understanding these relationships is essential for accurately evaluating reservoir performance, forecasting production behaviour and maintaining reliable reservoir management strategies.

Core Compressibility Testing provides important information about the mechanical response of reservoir formations when subjected to changing pressure conditions. By examining the relationship between applied stress, bulk volume deformation and pore volume reduction, engineers establish a clearer understanding of how rock properties respond to reservoir depletion and pressure restoration. This information supports reservoir simulation, material balance calculations, subsidence assessments and production forecasting.

The distinction between bulk rock compressibility and pore volume compressibility is particularly important in reservoir engineering. Bulk compressibility describes the relative change in the total volume of the rock under changing pressure conditions, while pore volume compressibility focuses on changes in the interconnected pore space available for fluid storage. Both measurements contribute to understanding reservoir storage capacity and the mechanical behaviour of the formation.

The Core Compressibility and Pore Volume Compressibility Testing Training Course addresses the technical requirements associated with laboratory compression testing, specimen preparation, pressure application, deformation measurement and experimental data interpretation. It examines the relationship between confining pressure, pore pressure, effective stress and rock deformation, allowing participants to understand the physical mechanisms responsible for changes in reservoir pore volume.

A significant industry challenge involves translating laboratory measurements into meaningful reservoir engineering parameters. Laboratory results require careful interpretation because rock samples represent limited sections of a heterogeneous formation. Lithology, mineral composition, cementation, porosity, bedding orientation, natural fractures and stress history influence the measured compressibility response. Engineers must therefore understand both the capabilities and limitations of laboratory measurements before incorporating the results into reservoir models.

Institute For Oil & Gas Training delivers this programme within its Oil & Gas Coring and Core Analysis specialisation. The course connects core analysis procedures with reservoir engineering applications, providing an integrated understanding of how laboratory measurements support subsurface evaluation and field development decisions.

Participants examine the principles governing rock compressibility, the measurement of pore volume changes, the influence of reservoir pressure effects and the interpretation of laboratory compression testing results. The programme also addresses quality assurance, measurement uncertainty, experimental repeatability and the technical documentation required to maintain confidence in laboratory findings.

For organisations operating mature, unconventional, offshore and pressure-sensitive reservoirs, reliable compressibility information supports better management of subsurface uncertainty. It strengthens the technical basis for reservoir simulation, production optimisation, depletion planning and evaluation of formation compaction risks.

By completing this training, participants develop the capability to assess core compressibility measurements, interpret pore volume responses and communicate laboratory findings in terms of their practical implications for reservoir performance. The programme supports stronger collaboration between core analysis laboratories, petrophysical teams, geomechanics specialists and reservoir engineering departments.

Objectives

  • Explain the fundamental principles of rock compressibility and their significance in reservoir characterisation.

  • Differentiate between bulk compressibility, grain compressibility and pore volume compressibility.

  • Describe the relationship between applied pressure, effective stress and deformation of reservoir rocks.

  • Evaluate the physical mechanisms responsible for formation compaction and pore volume reduction.

  • Explain the influence of reservoir pressure effects on rock properties and hydrocarbon storage capacity.

  • Identify the principal equipment, instrumentation and procedures associated with laboratory compression testing.

  • Understand core specimen selection, preparation and handling requirements for reliable compressibility measurements.

  • Interpret pressure-volume relationships and laboratory deformation measurements.

  • Evaluate the influence of lithology, porosity, cementation and rock fabric on compressibility behaviour.

  • Recognise the significance of loading conditions, stress history and pressure cycling in laboratory investigations.

  • Assess laboratory measurement uncertainty, repeatability and quality assurance requirements.

  • Interpret experimental data for determining relevant rock and pore volume compressibility parameters.

  • Relate laboratory findings to reservoir simulation, material balance and production forecasting.

  • Assess the potential implications of formation compaction for reservoir management and field development.

  • Communicate compressibility findings through structured technical reports and engineering recommendations.

Training methodology

Institute For Oil & Gas Training applies an industry-focused methodology that combines technical presentations, laboratory testing principles, practical interpretation exercises, engineering case studies and structured group discussions. The delivery approach connects the scientific principles of rock deformation with the operational requirements of core analysis and reservoir management.

The training begins with the fundamental relationships between rock structure, porosity, effective stress and compressibility. Participants examine how pressure changes influence grain contacts, pore geometry and the mechanical response of reservoir formations. These principles provide the technical foundation for understanding laboratory measurements and their application in reservoir engineering.

Practical laboratory scenarios form an important part of the programme. Participants examine the stages involved in preparing core specimens, establishing initial measurements, applying controlled loading conditions and monitoring deformation. The exercises demonstrate the importance of consistent specimen preparation, appropriate instrumentation, pressure control and accurate data recording.

Case studies introduce reservoir conditions involving pressure depletion, changing effective stress and formation compaction. Participants evaluate how different rock characteristics influence compressibility behaviour and identify the implications of these changes for reservoir storage capacity and production performance.

Group exercises focus on interpreting pressure-volume relationships and comparing bulk compressibility with pore volume compressibility. Participants examine representative laboratory datasets, identify trends and discuss how measurement results contribute to reservoir engineering calculations.

The methodology also addresses experimental limitations and quality assurance. Participants explore the influence of specimen heterogeneity, sample disturbance, instrument calibration, loading procedures and measurement uncertainty on laboratory results. This encourages a disciplined approach to technical interpretation rather than relying solely on numerical outputs.

Real-world engineering scenarios connect laboratory observations with reservoir development decisions. Participants consider the implications of compressibility data for material balance calculations, reservoir simulation, pressure maintenance, compaction assessment and production forecasting.

Throughout the programme, Institute For Oil & Gas Training encourages technical discussion between participants from different professional backgrounds. This collaborative approach strengthens the understanding of how laboratory measurements contribute to wider subsurface workflows and organisational decision-making.

Organisational impact

Organisations investing in Core Compressibility Testing capabilities strengthen the technical foundation of reservoir evaluation, laboratory operations and field development planning. Reliable rock compressibility information supports more informed decisions about reservoir behaviour under changing pressure conditions and reduces uncertainty associated with pore volume changes.

Improved Reservoir Characterisation

Accurate interpretation of compressibility measurements provides valuable information about the mechanical behaviour of reservoir formations. Organisations gain a stronger understanding of how rock properties respond to pressure changes, improving the quality of subsurface characterisation and supporting more representative reservoir descriptions.

More Reliable Reservoir Simulation

Pore volume compressibility is an important parameter in understanding how reservoir storage capacity changes with pressure. Improved technical interpretation helps reservoir engineering teams select and evaluate appropriate compressibility inputs for simulation studies, material balance calculations and production forecasting.

Better Formation Compaction Assessment

Formation compaction influences reservoir geometry, pore structure and potentially surface subsidence. Understanding the relationship between effective stress and bulk volume deformation improves the technical assessment of compaction-related risks and supports more informed reservoir management decisions.

Improved Production Forecasting

Pressure depletion changes the mechanical conditions within reservoir formations. Reliable compressibility data helps engineering teams evaluate the contribution of rock deformation to reservoir volume changes and understand its implications for pressure decline and hydrocarbon recovery.

Stronger Laboratory Quality Assurance

Knowledge of laboratory compression testing procedures strengthens the consistency of specimen preparation, experimental execution, measurement recording and data interpretation. This supports more reliable laboratory workflows and improves confidence in the results supplied to engineering departments.

Reduced Technical Uncertainty

A stronger understanding of rock compressibility measurement enables technical teams to recognise the influence of sample characteristics, testing conditions and experimental limitations. This improves the assessment of data quality and reduces the risk of applying laboratory results without considering their representativeness.

Improved Cross-Functional Collaboration

The course develops a shared technical understanding between core analysis specialists, petrophysicists, reservoir engineers and geomechanics professionals. Better communication between these departments strengthens the integration of laboratory measurements into subsurface studies and operational decisions.

More Effective Reservoir Management

Organisations gain improved technical capabilities for evaluating pressure-dependent rock behaviour. This supports informed decisions concerning depletion strategies, pressure maintenance, water injection, reservoir surveillance and long-term field development.

Personal impact

Participants develop specialist technical capabilities that strengthen their professional contribution to core analysis, reservoir characterisation and subsurface engineering activities.

Advanced Technical Understanding

Participants develop a comprehensive understanding of rock compressibility, pore volume compressibility and the physical mechanisms governing reservoir rock deformation. They become more confident in explaining how pressure changes influence the mechanical and storage properties of reservoir formations.

Improved Laboratory Interpretation Skills

The programme strengthens participants' ability to examine laboratory compression testing procedures, interpret experimental measurements and assess pressure-volume relationships. They gain a clearer understanding of how laboratory conditions influence measured results.

Stronger Reservoir Engineering Knowledge

Participants improve their understanding of how compressibility parameters contribute to reservoir simulation, material balance calculations, production forecasting and reservoir performance evaluation.

Better Technical Problem-Solving

Participants develop a structured approach to identifying unusual measurement trends, evaluating experimental limitations and examining the influence of lithological differences on compressibility behaviour.

Enhanced Reporting Capabilities

The course strengthens participants' ability to communicate laboratory findings, explain measurement limitations and present technically supported interpretations to reservoir engineering and management teams.

Greater Professional Versatility

Participants broaden their technical capabilities across core analysis, laboratory testing, petrophysics, reservoir engineering and geomechanics. This supports their contribution to multidisciplinary subsurface projects.

Improved Career Development

The specialist knowledge gained through the programme strengthens professional competence in reservoir rock characterisation and laboratory measurement interpretation. It supports career progression into senior technical, laboratory supervisory, reservoir engineering and subsurface management responsibilities.

Who should attend

  • Core Analysis Engineers: Professionals responsible for planning, supervising and interpreting laboratory measurements on reservoir core samples.

  • Core Laboratory Technicians: Specialists involved in specimen preparation, laboratory equipment operation, compression testing and experimental data recording.

  • Reservoir Engineers: Engineers requiring a stronger understanding of rock and pore volume compressibility for reservoir modelling, material balance and production forecasting.

  • Petrophysicists: Professionals integrating laboratory-derived rock properties with petrophysical interpretations and reservoir characterisation.

  • Geomechanics Engineers: Specialists evaluating effective stress, rock deformation, formation compaction and pressure-dependent mechanical behaviour.

  • Geologists and Reservoir Geologists: Professionals involved in understanding formation characteristics, lithological variability and the influence of rock fabric on reservoir properties.

  • Laboratory Supervisors and Managers: Personnel responsible for laboratory testing quality, equipment performance, technical procedures and reporting standards.

  • Subsurface Team Leaders: Professionals coordinating core analysis, reservoir engineering and geoscience activities across development projects.

  • Production Engineers: Engineers seeking to understand the implications of formation compaction and pressure-dependent pore volume changes for production performance.

  • Petroleum Engineering Consultants: Consultants involved in reservoir evaluation, laboratory data interpretation and technical assessments.

  • Technical Services Managers: Managers responsible for ensuring the quality and operational relevance of subsurface laboratory services.

  • Senior Reservoir and Asset Engineers: Experienced professionals requiring advanced knowledge of compressibility parameters for field development and reservoir management decisions.

Course outline

This module introduces the fundamental principles governing the mechanical response of reservoir rocks under changing pressure and stress conditions. Participants examine the relationship between rock structure, pore geometry, porosity and compressibility, establishing the technical foundation for understanding laboratory measurements.

The module distinguishes between bulk rock compressibility, grain compressibility and pore volume compressibility. It also examines the influence of lithology, mineral composition, cementation, porosity and rock fabric on the deformation behaviour of reservoir formations.

  1. ASTM D7012

    • Establishes recognised test methods for determining the compressive strength and elastic moduli of intact rock core specimens under different stress and temperature conditions.

    • Covers uniaxial and triaxial compression testing of intact rock specimens.

    • Provides methods for determining elastic moduli through stress-strain measurements.

    • Supports the understanding of mechanical properties used in rock deformation assessments.

    • Provides an important reference for understanding the limitations of laboratory measurements when interpreting larger-scale formation behaviour.

    Learning Outcomes

    • Explain the fundamental concepts of rock compressibility and pore volume compressibility.

    • Differentiate between bulk, grain and pore volume compressibility.

    • Describe the relationship between porosity, pore structure and mechanical deformation.

    • Identify the geological characteristics influencing rock compressibility.

    • Explain the significance of elastic properties in reservoir rock characterisation.

    • Recognise the relationship between laboratory measurements and reservoir engineering applications.

This module examines the relationship between reservoir pressure, confining pressure and effective stress. Participants investigate how changes in these parameters influence the mechanical response of reservoir rocks and the volume of pore space available for hydrocarbon storage.

Particular attention is given to formation compaction during reservoir depletion and the response of rock frameworks to pressure restoration. The module considers stress-dependent deformation, loading and unloading behaviour, pressure cycling and the influence of geological characteristics on compaction.

  1. ASTM D7012

    • Provides recognised methods for evaluating intact rock behaviour under uniaxial and triaxial compression.

    • Addresses the determination of rock strength under different confining pressure conditions.

    • Includes methods for measuring axial and lateral strain to evaluate deformation characteristics.

    • Provides a technical reference for understanding the influence of stress conditions on rock mechanical properties.

    • Supports interpretation of the relationship between stress conditions and formation deformation.

    Learning Outcomes

    • Explain effective stress principles and their relevance to reservoir rock behaviour.

    • Analyse the relationship between pore pressure and confining pressure.

    • Describe how reservoir pressure depletion influences formation compaction.

    • Identify the mechanisms responsible for changes in pore volume under applied stress.

    • Evaluate the significance of loading, unloading and pressure cycling.

    • Explain the implications of stress-dependent deformation for reservoir management.

    • Recognise the potential relationship between formation compaction and subsidence.

This module focuses on the preparation and laboratory evaluation of core specimens for compressibility investigations. Participants examine the importance of sample selection, specimen integrity, dimensional accuracy and appropriate handling procedures before testing.

The module introduces the principal components of laboratory compression testing systems, including loading equipment, pressure control arrangements, deformation measurement devices and data acquisition systems. Participants explore experimental procedures, baseline measurements, controlled loading and the importance of maintaining consistent testing conditions.

The relationship between specimen characteristics and laboratory results is also examined, with particular attention to sample disturbance, bedding orientation, fractures and heterogeneity.

  1. ASTM D4543

    • Provides recognised practices for preparing rock core specimens for laboratory testing.

    • Addresses specimen dimensions, shape and dimensional tolerances.

    • Supports consistency in specimen preparation and measurement.

    • Helps reduce preparation-related variability in laboratory investigations.

    • Provides a reference for evaluating the suitability of intact core specimens before compression testing.

    Learning Outcomes

    • Identify appropriate core specimen selection and preparation requirements.

    • Explain the importance of specimen dimensions and geometric consistency.

    • Recognise the influence of sample damage and disturbance on experimental results.

    • Describe the principal components of laboratory compression testing equipment.

    • Explain the importance of loading control and deformation measurement.

    • Understand the procedures involved in recording laboratory test observations.

    • Identify common sources of experimental error and measurement uncertainty.

This module examines the measurement and interpretation of pore volume compressibility under controlled laboratory conditions. Participants investigate the relationship between applied pressure, rock deformation and changes in available pore space.

The module explores pressure-volume relationships, deformation measurements and the interpretation of experimental datasets. Participants examine how compressibility parameters are determined from changes in pore volume relative to pressure changes, while considering the relevant stress conditions and measurement assumptions.

Attention is also given to the differences between bulk volume deformation and pore volume reduction. The module explains why these parameters require careful distinction when translating laboratory observations into reservoir engineering inputs.

  1. ISO/IEC 17025

    • Establishes general requirements for the competence of testing and calibration laboratories.

    • Addresses the importance of validated testing methods and technically competent personnel.

    • Provides requirements concerning equipment, calibration, measurement traceability and quality assurance.

    • Supports appropriate handling of measurement uncertainty and laboratory result validity.

    • Establishes a framework for maintaining reliable laboratory procedures and technical records.

    Learning Outcomes

    • Explain the principles governing pore volume compressibility measurements.

    • Interpret pressure-volume relationships generated through laboratory investigations.

    • Distinguish between changes in total rock volume and changes in pore volume.

    • Evaluate the significance of deformation measurements under controlled pressure conditions.

    • Understand the relationship between experimental observations and calculated compressibility parameters.

    • Identify factors influencing measurement precision and repeatability.

    • Recognise the importance of calibration, traceability and measurement uncertainty.

    • Assess the reliability and technical limitations of laboratory datasets.

The final module integrates the laboratory principles and interpretation techniques covered throughout the programme with practical reservoir engineering applications. Participants examine how core compressibility measurements support reservoir simulation, material balance calculations, pressure depletion assessments and production forecasting.

The module also explores the application of compressibility information in evaluating formation compaction and reservoir storage behaviour. Participants consider the limitations of laboratory measurements when applying results to heterogeneous formations and examine the importance of integrating core analysis findings with geological, petrophysical and geomechanical information.

The final component addresses laboratory quality assurance, technical reporting and the communication of compressibility results to engineering and management teams.

  1. ASTM D6026

    • Establishes practices for using significant digits and rounding in geotechnical data.

    • Supports consistency in presenting measured and calculated laboratory values.

    • Provides guidance for maintaining appropriate numerical precision in technical reporting.

    • Helps improve consistency when communicating experimental results.

    • Supports clear and reproducible presentation of engineering data.

    Learning Outcomes

    • Interpret core compressibility results in the context of reservoir engineering requirements.

    • Explain the contribution of pore volume compressibility to material balance calculations.

    • Assess the relevance of compressibility parameters in reservoir simulation.

    • Evaluate the implications of formation compaction for reservoir performance.

    • Identify the limitations of applying laboratory measurements to field-scale formations.

    • Integrate laboratory findings with geological, petrophysical and geomechanical information.

    • Apply appropriate quality assurance principles when evaluating compressibility datasets.

    • Prepare structured technical reports presenting laboratory observations and interpretations.

    • Communicate compressibility findings and their operational implications to multidisciplinary teams.

Certificate

Upon successful completion of the Core Compressibility and Pore Volume Compressibility Testing Training Course, attendees receive a Certificate of Completion from Institute For Oil & Gas Training.

The certificate recognises participation in the professional training programme and the completion of its structured technical learning activities.

Attendees are required to meet the course attendance requirement and participate in the programme activities to qualify for the Certificate of Completion. The certificate provides formal recognition of their professional development in core compressibility measurement, pore volume evaluation and reservoir rock characterisation.

Course dates

  • Europe

    Middle East

    Asia

    Africa

    North America

    Online

    Fee: £3,900

  • Europe

    Middle East

    Asia

    Africa

    North America

    Online

    Fee: £3,900

  • Europe

    Middle East

    Asia

    Africa

    North America

    Online

    Fee: £3,900

  • Europe

    Middle East

    Asia

    Africa

    North America

    Online

    Fee: £3,900

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

Frequently asked questions

What is covered in the Core Compressibility and Pore Volume Compressibility Testing Training Course?

The course covers rock compressibility principles, pore volume compressibility, effective stress, reservoir pressure effects, formation compaction, core specimen preparation, laboratory compression testing, experimental data interpretation and reservoir engineering applications. It also addresses laboratory quality assurance and technical reporting.

Why is Core Compressibility Testing important in the oil and gas industry?

Core Compressibility Testing helps determine how reservoir rocks deform and how their pore volumes change under different pressure conditions. This information supports reservoir characterisation, material balance calculations, reservoir simulation, production forecasting and the assessment of formation compaction.

What is the difference between bulk compressibility and pore volume compressibility?

Bulk compressibility describes the relative change in the total volume of a rock under changing pressure conditions. Pore volume compressibility describes the relative change in the pore space within that rock. Both parameters provide important information about reservoir deformation and changes in hydrocarbon storage capacity.

Who should attend this training course?

The programme is designed for core analysis engineers, laboratory technicians, reservoir engineers, petrophysicists, geomechanics specialists, geologists, production engineers and subsurface managers. It is particularly relevant to professionals involved in laboratory testing, reservoir characterisation and the interpretation of pressure-dependent rock properties.

How is the Core Compressibility Testing course delivered, and what certificate will attendees receive?

Institute For Oil & Gas Training delivers the programme through technical presentations, practical laboratory scenarios, case studies, experimental data interpretation and group exercises. Attendees who complete the course and meet the attendance requirement receive a Certificate of Completion from Institute For Oil & Gas Training.

Next: 23 Nov 2026

4 dates available

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