Integrated Petrophysics - How to use Special Core Analysis with Modern Logs

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This course teaches you how to use all your legacy conventional and special core data with all your logs, old and new. (Session CONFIRMED!)

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This is the VILT condensed version of the IPSCAL special core analysis with modern logs course.

This course does more than calibrate your density log with core grain density and porosity. It starts with the conventional core analysis laboratory procedures necessary to create the compatible data sets required for proper special core analysis (SCAL) integration. It then describes the SCAL procedures for static and dynamic geo-models logically, in sequence, integrating SCAL results with powerful, modern logs to show how key reservoir parameters are better quantified with SCAL. NMR, Dielectric, Cross Dipole sonic, 3D resistivity, Lithoscanner and MDT output are all cross-calibrated and welded into the fabric of a true, modern, integrated petrophysical evaluation. These evaluations are robust, overdetermined and grounded in routine and special core analysis. Integration techniques are explained in terms of the question being asked, the physical basis of the core-log data being used and the steps necessary to quantitatively integrate the SCAL with logs and geo-models.

Like the author’s other “Integrated Petrophysics” courses, a logical, systematic structure is followed which enhances understanding of the where, why and how of modern core-log integration.

Lithology, porosity, saturation-height, absolute and relative permeability, residual oil saturation, natural fractures, FWL, TOC and mechanical properties for brittleness and fracturing are addressed, with the relevant special core and log data identified, explained and carefully integrated within a logical framework using Interactive Petrophysics software.

This powerful course explains how to perform comprehensive core-log integration on legacy data and arms you with a clear understanding of what is and what is not critical to acquire in your particular Petrophysical Reservoir Type, saving time and money during drilling, completion and development.


  • 3 modules of 4 hours each, delivered over 3 days
  • Optional: Pre-course self-learning module
  • Optional: Post-course self learning module incl. Q&A opportunity

Course Level: Skill

Instructor: Mark Deakin


  • A petrophysicist, reservoir engineer, core analyst, geologist or engineer who builds or uses static or dynamic reservoir models
  • A professional with a year or more experience with core-log integration


Core-Log integration has been the central topic of the author’s Imperial College Ph.D. and over 25 years of consulting, reading and lecturing on core-log integration. It is the central purpose of the PetroDB-WEB software, which extends core-log integration to embrace SCAL and modern logs.

This course will teach you how to use all your legacy conventional and special core data with all your logs, old and new.

All ‘Integrated Petrophysics’ VILT courses have five components to expand and maximise the course content delivery. Content is varied and stimulating and includes short focused instructor videos; course notes extracts; micro-practicals, cornerstone 4 hour daily VILT sessions; before and after self-learning modules; Question & Answer sessions; industry videos, exercises; comprehensive Petrophysical Toolbox; Petro DB extracts; HPV sensitivities; How to demos; Quizzes & Answers

1) Pre Self-Learning module (20%) with a 1-hour live Q&A session before the main VILT

2) Cornerstone VILT: 4 hours of VILT lectures for 3 consecutive days (60%)

- The first 15 minutes of EACH DAY: Recap and Questions session

- The first 5 minutes of EACH HOUR: Questions and feedback

3) Post Self-Learning module (20%) with a 1-hour live Q&A session after one week

4) Q&A: Instructor is available online for 1 hour extra at the end of the main VILT session for questions & open discussion

5) Instructor is available to answer 1-on-1 emailed questions or possible phone/skype calls for one week after the last VILT session (during Post Self-Learning module)

Before and After Self-Learning Modules

These modules are an important extra component of the course:

  • Pre is designed to focus and prepare you for the main VILT session
  • Post allows you to practise and quiz yourselves and the instructor before closing out the course


By the end of the course you will feel confident in your understanding of:

  • How to acquire conventional and special core data, from mud systems to laboratory
  • Essential techniques of core-log integration
  • How to identify the key data channels in modern logs you need
  • What integration techniques to apply to what special core analysis data

Note: All calculations are performed real-time on Interactive Petrophysics (IP) software.


This course covers the Lab apparatus, process and brief explanation of Conventional (CCA) and all major Special Core Analysis (SCAL) including:

  • Essential conventional core-log integration
  • Integrating different scales of measurement
  • Pore Volume Compressibility
  • Routine core porosity calibration of density, NMR, neutron and sonic logs
  • Routine core permeability calibration of NMR, porosity, HPV, etc.
  • Quality control of routine and special core analysis
  • Reservoir Rock Typing (RRT): Why and how? Facies, NMR, FMI, FZI, HFU. RRT without core
  • Application of RRT during core-log integration
  • Archie m, n, CEC, BQv
  • SCAL electrical properties use, abuse and correct implementation
  • Using RCA, SCAL & modern logs to solve Low Resistivity Low Contrast (LRLC) pay problems
  • SCAL NMR lab tests: CBW, BFV, T2, T1 cut-offs, Qv techniques
  • Integration of SCAL NMR with logs, use, abuse and alternatives compared
  • Dean Stark extraction and Sw
  • Capillary pressure (Pc) explained
  • Porous Plate, Centrifuge, Mercury Injection
  • Interfacial Tension (IFT)
  • Wettability Amott & USBM
  • Lab to Reservoir fluid conversions
  • How to check and correct lab Pc data
  • What’s wrong with the engineer’s standalone core based saturation-height function?
  • How to fit Pc data: Foil, J Function, Lambda, Skelt Harrison
  • Integrating core saturation height functions with logs: Resistivity, n, NMR, Porosity, Sigma, MDT
  • Routine Dean Stark and other core saturation integrations with Resistivity, Saturation-height, NMR, Dielecric, Sigma
  • SCAL Relative Permeability tests: Steady vs. Unsteady state
  • Integration of SCAL rel. perm data with log analysis for kw, ko and kg. Fractional flow eqn
  • Wettability: impact on capillary pressure, relative permeability and Sor
  • Is your reservoir non-strongly water wet? What to do in the lab. What to do for core-log integration
  • Residual Oil Saturation
  • Reducing Residual Oil Saturation
  • Daily Interactive Petrophysics (IP) and PetroDB-WEB demos
  • Excel Petrophysical Toolbox: Equations, evaluation templates
  • Do your results concur with field observations? What to do


    "The course is giving practical ideas and tools to solve even complicated problems."

    - Petrophysicist at MOL

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