Advanced Formation Evaluation in Oil and Gas Exploration

Duration: 5 Days
Format: In-Person / Online (Instructor-Led)
Target Audience: Mid-level to senior geoscientists, petrophysicists, reservoir engineers
Tools/Software: Interactive Petrophysics (IP), Techlog, Excel, LAS Viewer (optional)

Course Overview

This program provides a deep dive into formation evaluation techniques used to assess hydrocarbon-bearing formations with precision. Participants will analyze wireline and LWD data, apply advanced interpretation workflows, integrate core and mud log data, and evaluate complex reservoirs such as tight sands and carbonates.

Designed for professionals in exploration and early development phases, this course enhances analytical and decision-making capabilities using practical datasets and industry tools.

Day-by-Day Outline

Day 1: Principles of Formation Evaluation & Logging Tools

Role of formation evaluation in exploration and appraisal
Types of logs: open hole vs. cased hole
Logging tool principles: Gamma Ray (GR), Resistivity, SP, Density, Neutron, Sonic, Caliper
Logging environments and borehole effects
Logging quality control and validation
Practical Exercise: LAS file QC and well log environment correction

Day 2: Petrophysical Parameters & Clay Analysis

Volume of shale: single and multi-log methods
Porosity estimation: density-neutron-sonic crossplotting
Water saturation (Sw): Archie’s and Indonesian equations
Clay typing: kaolinite, illite, smectite
Clay-bound vs. effective porosity concepts
Hands-On: Log-based Vsh, PHI, Sw interpretation from real Iraqi well data

Day 3: Core Integration & Advanced Interpretation

Core analysis: routine vs. special core analysis (SCAL)
Cross-validation of core and log-derived properties
NMR logging: free fluid index, T2 mapping
Image logs: fracture identification, dip azimuth interpretation
Saturation height modeling overview
Workshop: Integration of core porosity/permeability with log data

Day 4: Formation Evaluation in Complex Reservoirs

Formation evaluation in carbonates and tight formations
Dual porosity systems: matrix vs. fracture
Shaly sand models: Waxman-Smits, Dual Water
Impact of anisotropy and laminated sands
Gas effect correction in logs
Case Study: Tight carbonate field: comparison of evaluation models

Day 5: Reservoir Quality, Cutoffs & Volumetrics

Defining net reservoir and net pay
Cutoffs: porosity, Sw, Vsh, and productivity
Rock typing and flow unit classification
Reservoir quality index (RQI) and flow zone indicator (FZI)
Volumetric estimation of hydrocarbons in place
Final Project: Full interpretation workflow on case dataset

Expected Learning Outcomes

Conduct full log interpretation workflows using industry best practices
Integrate core and log data for accurate reservoir characterization
Apply advanced models for complex formations
Assess net pay zones and in-place hydrocarbon volumes
Support exploration decisions with robust formation evaluation outputs

Customizable Add-ons
Tailored content for local geology (e.g. Nile Delta, Western Desert)
Lab visit or simulation hands-on demo
Integration with economics or production courses

Special Customization for Regional NOCs

- Includes legal and fiscal case examples from MENA (Egypt, Libya, Iraq, Algeria)
- Arabic-English bilingual delivery available
- Tailored licensing round simulation exercises
- Optional site visits to local oilfields or regulatory agencies

Trainer Profile

- Senior reservoir and exploration engineers from IOCs and NOCs
- Former advisors to government ministries
- Experts in petroleum contracts and economic modeling

Certification

Participants will receive a Certificate of Completion and a performance report including assessment outcomes and instructor feedback.