Advanced Well Log Interpretation

The course aims to increase the knowledge of the geologists, geophysicists and the others who are working in the Carbonate hydrocarbon fields. The course covers the sedimentological and petrophysical concepts, methodologies, and technologies used to characterize, evaluate, and model the carbonate reservoirs. This is a wide-ranging course that effectively covers all the carbonate characterization and core analyses techniques. The course starts with an overview of the reservoir rock properties. The advanced reservoir characterization will be done through integration of multiple tools including data related to petrography, depositional environments, diagenesis, well logging, routine and special core analyses. The attendees will feel that they became more professional, and know more about the geologic description and exploration of the carbonate rocks/reservoirs and SCAL techniques. They will be able to evaluate the reservoirs and assess their performance. The comprehensive course documentation has been designed as a useful guide for future reference.

Audience

This course is designed for:

Geologists
Petroleum Geologists
Geophysicists
Wellsite geologists
Drilling engineers
Stratigraphers
Geochemists,
Petroleum engineers
Production Engineers
Petrophysicists.

Course objectives

By end of the course participants will learn:

Know more about resistivity of rocks and measuring Archie’s parameters.
Know more about the Resistivity Logs.
Know more about relative permeability and wettability.
Know more information on the MICP test.
X-ray computer tomography (X-ray CT scan).
Know more about Advanced logging tools.
Calibration of well logs and integration with core data.
Know more information about Relative permeability, MICP and X-ray CT Scan.
Know more about Dipmeter, RFT and FMI techniques.
Know more about NMR and MDT logs.

Course contents

Day 1: Electric Properties

Apparent and true electric resistivity.
Formation resistivity factor.
Factors controlling the electric properties.
Determination of Archie’s parameters, a, m and n.
Electric Pore Fabrics.
Case Study.

Day 2: Wettability and Relative Permeability

Relative Permeability measurements.
Wettability.
Mercury Injection Tests (MICP); theory and applications.
X-ray computer tomography (X-ray CT scan).
Case Studies.

Day 3: Imaging bore hole Logs

Electrical Formation imaging logs (Dipmeter, FMS and FMI).
Acoustic Televiewers ‘ATV’ Tools.
Conjunctive acoustic and electrical imaging Tools.
Slim-hole imaging televiewers Tools
Lithologic and structural interpretation.
Case studies.

Day 4: NMR Logs

Nuclear Magnetic Resonance (NMR).
NMR diffusion for fluid-type discrimination using T1, T2 relaxations.
Case studies

Day 5: Well log interpretation and Formation evaluation

Repeat Formation Tester measurements (RFT).
Moduler Dynamic Tester (MDT) logs.
Permeability Determination from Logs & Pressure Measurements:
Quick Look Interpretations.
Formation evaluation Workshop.
Closing session.

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