WELL LOGS INTERPRETATION FOR EXPLORERS

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Synthesis

General IntroductionBasics of ExplorationQuizz
Drilling and Mudlogging overview, Quality Control
Tools and Principles (Part 1) – Caliper, Spontaneous Potential, GR (CGR and SGR)

Various short exercises

Wrap up Day 1

Tools and principles (Part 2) – Density – Neutron – Pef – Sonic – Resistivities – Dipmeter – NMR
Cross plots principles + Picket Plot
Exercise 1 (Silicoclastics)
Exercise 2 (Carbonates)

Various short exercises

Wrap up Day 2

Quick look methodology
Exercise : well 1 (shaly silicoclastics + salt, anhydrite and Coal)
Exercise : Well 2 (multi lithologies)
Cut offs

Various short exercises

Well Formation tester (WFT) Tools
WFT validation
WFT basic interpretation
Drill stem test (DST): Tools, acquisition, basic interpretation

Various short exercises
Wrap up day 4

Game per group : how to get the good reflex ?
Conclusions. Key messages
Final exam

Language

English

Audience type

Students in BSC, Master or PHD in Petroleum Geology Juniors or seniors Geoscientists of the Oil industry

Planned duration

A whole week (possible format in 5 half days or 5 days)Adaptable upon request

Support material

Guide (A4)Booklet of theory (A4)Booklet exercises and corrections (A4 to A3)

Prerequisite

Basics in Petroleum Geology and Geophysics

Objectives

The 5 day course will help the participants to carry out a quick look interpretation of a well from the traditional tools of logging and the basic documents related to drilling (mudlog, composite logs, report end of survey)