Accessible Petrophysics LTD.


Up to date, comprehensive Software, Reference Manuals and Petrophysical Training.  Recommended for personal development or guided self-study as part of a monitored, in-house professional development program for the entire exploitation team.  Training has helped geoscientists, engineers, students, and instructors in 70 countries improve their petrophysical skills and gain job prospects.

CONTACT: Ross Crain - email: [email protected] 

LOCATION:  Calgary, Alberta, Canada.


  1. Backed by over 50 years of world-wide oilfield, gas, and minerals experience, CPH provides one-stop access to petrophysical training for global reference and self-study.Contains 30 chapters with 450+ topics, showing hundreds of petrophysical analysis algorithms, written in computer-ready math syntax for input into commercial software or spreadsheets.Includes 28 META/LOGTM spreadsheets and 100+ publications available for download.Over a hundred real-world examples and case histories provide context and usage insights.Available in Student, Gold, and Platinum levels for personal usage, or licensed for Corporate or Academic use.



Student (4 months):  US$19

Gold (3 years):  US$69

Platinum (Lifetime):  US$169


Corporate (1 Year):  US$699

Corporate (3Year):  US$1999

Corporate (Permanent) US$5999


Payment of the membership fee provides access to website content.  Individual training products described below are priced separately, details at:




  1. Full Length Video Courses:narrated video slide shows including lecture notes, examples, and exercises, updated May 2021.
  2. Short Courses:as above.
  3. Crain’s Online courses at videos with lecture notes, examples, and exercises.


  1. Reference Manuals:Crain’s Petrophysical Handbook: Full colour, textbook quality, print or read on-screen, updated May 2021.
  2. Instructor’s Kit:Contains sample exercises with answer key, quizzes, and sample exams.Also includes LAS files, XLS core listings, depth plot images for conventional, unconventional, and ancient log examples.


  1. Crain’s Petro/Fusion Scripts:open-source scripts from shale volume to net pay, plus mechanical properties, includes background and algorithm usage rules.
  2. Crain’s Petrophysics Spreadsheets for Geoscience and Engineering:META/LOGTM spreadsheet bundle with Desktop App.


Platform:  PC.

Operating System:  Windows.