Anatomy of a Well Log - Lecture Presentation Fundamentals...

Info iconThis preview shows pages 1–6. Sign up to view the full content.

View Full Document Right Arrow Icon
Lecture Presentation Fundamentals of Well Logging The Anatomy of a Well Log Carlos Torres-Verdín, Ph.D. Professor Department of Petroleum and Geosystems Engineering The University of Texas at Austin Objectives: 1. To learn how to read the header of a well log, 2. To learn how to read and interpret the cultural, environmental, and drilling variables of a well log, 3. To identify types of well logs, measurement units, plots, tracks, and measurement scales, 4. To identify plotting tracks and general display conventions, and 5. To learn how to associate log mnemonics with specific well-log measurements and instruments.
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
R S ??? What do well logs really measure? What can we infer from logs? When is a well log good/bad? Can we tell the difference? Estimation of rock properties. WHAT ELSE ??? Well Logs and Rock Formation Properties Practical Classification of Well-Logging Measurements Mud Logs Open Hole Logs (a) Logging While Drilling (LWD) (b) Wireline Logging Cased Hole and Production Logs
Background image of page 2
MUD LOGGING PRINCIPLE Rock Cutting Collection Unit Applications of Mud Logs Monitoring of bit performance Determination of lithology Preliminary indication of the well location relative to expected stratigraphy Indication of hydrocarbon types Indication of pressure conditions Depth Accuracy ~ +/- 5m
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
MUD LOGGING APPARATUS Fluid Sampler and Gas Chromatography Unit EXAMPLE OF MUD LOG
Background image of page 4
Logging-While-Drilling (LWD) Environment Source: Oilfield Review, Schlumberger Example of Logging-While-Drilling (LWD) Tools Source: Oilfield Review, Schlumberger
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 6
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 01/30/2011 for the course PGE 323K taught by Professor Lake during the Spring '08 term at University of Texas at Austin.

Page1 / 22

Anatomy of a Well Log - Lecture Presentation Fundamentals...

This preview shows document pages 1 - 6. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online