Login
Create Account
Offices
Tulsa
Washington DC
London
Dubai
Singapore
Bogotå
Lagos
Divisions
DPA
EMD
DEG
PSGD
Foundation
Resources
GIS Open Files
Videos
Gateways
Podcast
Sitemap
Join, Renew or Reinstate
membership
Vote Now
election
Menu
Home
Member Focus
YoungPros Focus
Students Focus
Women's Network
Environmental Focus
Economics Focus
About
AAPG
Overview
Annual Reports
Committees
Honors and Awards
Programs
Affiliated Societies
Leadership
Executive Committee
Officer Candidates
Advisory Council
House of Delegates (HoD)
HoD Honors & Awards
Sections
Regions
Divisions
DPA
EMD
DEG
PSGD
DPA Directory
Membership
Types of Membership
Member
Associate
Student
Benefits and Services
Comparison Chart
Prospective Members
Graduated Dues
Recruitment
Constitution and Bylaws
Code of Ethics
Member Directory
Transfer to Member
Petroleum Geology
Petroleum through Time
What Is Petroleum?
Petroleum Exploration History
Museums and Historical Sites
World of Petroleum
Oil and Gas Prices
Careers in the Petroleum Industry
Exploration Today
U.S. Offshore Oil & Gas Resources
Petroleum Technology
Petroleum Products
Tools of the Trade
Refining and Chemicals
Petroleum Chemistry
Anatomy of an Oil Accumulation
Geology and Petroleum
Sedimentology and Stratigraphy
Structural Geology
Paleontology and Biostratigraphy
Geochemistry
Seismology and Geophysics
Plate Tectonics
Paleogeography
Geologic Maps
Science
Discipline
Structure
Compressional Systems
Geomechanics and Fracture Analysis
Extensional Systems
Fold and Thrust Belts
Salt Tectonics
Structural Analysis - Other
Tectonics (General)
Basin Modeling and Geochemistry
Basin Modeling
Maturation
Migration
Oil and Gas Analysis
Oil Seeps
Petroleum Systems
Source Rock
Thermal History
Engineering
Drilling
Completion and Production
Reservoir Engineering
Geophysics
Direct Hydrocarbon Indicators
Gravity
Magnetic
Seismic
Sedimentology and Stratigraphy
Carbonates
Clastics
Evaporites
Sequence Stratigraphy
Business and Economics
Economics
Resource Estimation
Risk Analysis
Environmental
Petrophysics and Well Logs
Astrogeology
Play Types
Coalbed Methane
Deep Basin Gas
Diagenetic Traps
Fractured Carbonate Reservoirs
Bitumen/Heavy Oil (Oil Sands)
Oil Shale
Shale Gas
Stratigraphic Traps
Structural Traps
Subsalt Traps
Tight Gas Sands
Alternative Resources
Coal
Gas Hydrates
Geothermal
Renewable Energy
Uranium (Nuclear)
Geographic
Countries
Interests
Arctic
Antarctica
Drones
Machine Learning
Petroleum Resources Management System
CO2 Storage Resources Management System
Career
Training
In Person
Field Seminars
Forums
Short Courses
Visiting Geoscientists
Workshops
Online
Distinguished Lecture Program
Certificate Programs
Certificate Courses
e-Symposia
Ethics Videos (DPA)
Traditional Courses
Virtual Events
Past Virtual Events
Instructors
DPA PDH Form
Jobs
Career Center
Career Resources
Classifieds
Counselors and Recruiters
Job Boards
Member Registry
Expert Witness (DPA)
Consulting Expertise
AAPG N.E.T.
Technical Interest Groups (TIGs)
Special Interest Groups (SIGs)
All Discussion Boards
Discussion Boards FAQ
Participate
Propose Training
Join a Committee
Present a Paper
Imperial Barrel Award
AAPG Women's Network
AAPG Award Nominations
EC Officer Nominations
Events
Conferences
International Meeting for Applied Geoscience & Energy
International Conference & Exhibition
Energy Opportunities Conference
Carbon Capture, Untilization and Storage
URTeC
OTC
IPTC
MEOS-GEO
Expos
BEOS
NAPE
Summer NAPE
Training
Field Seminars
Short Courses
Workshops
Research
Hedberg Conferences
Research Symposia
Event Listings
Calendar
Virtual Events
Exhibit Opportunities
Sponsorship Opportunities
Publications
Journals
Bulletin
Current Issue
Archives
Search
Interpretation
Environmental Geosciences
Current Issue
Archives
News
Explorer
Current Issue
Archives
Classifieds
Newsletters
Correlator
Current Issue
Archives
Delegates Voice
Current Issue
Archives
Special Publications
Books
Archie
Hedberg
Memoirs
Methods in Exploration
Special Publications
Studies in Geology
Book Reviews
CD-DVD
Maps
Digital Downloads
AAPG Wiki
Online
Datapages
Datapages Archives
Collections
Search and Discovery
GIS Open Files
GIS Map Publishing Program
Blogs
Events Blog
Learn! Blog
wwwUpdate
Foundation Update
Advertise
Media
Copyright
Submit
Proposal
Instructions
Copyright Information
Store
Help
Home
Publications
Â
Special Publications
Â
Digital Downloads
Â
Digital Download Details
Thickness of the Devonian System
Details
Comments & Ratings
Log in to Submit a Comment
Comments (0)