SHARE YOUR SKILL AND KNOWLEDGE
are looking for some keen knowledgeable contributors to update
and add to the content of Crain's Petrophysical Handbook. We are
celebrating our 19th year online and it is time for some fresh
ideas and new blood to carry on into the future.
There are 400+ individual webpages on this website and we have
40 - 50,000 page views every month. With no advertising and no
sponsors to intrude on the content, there is no similar training
material available in any discipline, not counting Wikipedia, of
Some topics are a little dated and some could use better
illustrations or examples. There are also additional topics that
could be covered to provide broader background for practicing
petrophysicists, engineers, geologists, and geophysicists.
Contributions on wireline formation testing, wireline completion
operations, production logging, logging while drilling,
horizontal well steering, and other similar topics are needed.
Induction log data processing, NMR processing and data analysis,
image log processing and analysis, ECS inversion methods,
acoustic log processing all need a little help. You can probably
add to this list.
There are already a dozen or so webpages by Guest Authors. Join
them in making CPH the best it can be. There is no direct
financial reward but you will get credit on any page that you
RULES OF THE GAME
Guest Authors may contribute new webpages
Handbook. Associate Editors may edit and update
If you wish to make a technical contribution to the Handbook,
with an outline and
a copy of your resume so I can get to know who you are. I reserve
the right to refuse any material without giving any reason.
Submit contributions in MS Word format with embedded
illustrations and captions. The final webpage will look as close
to this document as is possible.
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clarity and formatted to conform to this website's standards.
You may be requested to do some editing or formatting before the
contribution is accepted.
Write clearly at a 2nd or 3rd year university level, using your
own words. See
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Use "computer-ready" math, in the style currently used in the
Analysis Basics for examples.
Use existing variable names as used on the website. New variable
names should conform to the website style. Normally, measured values are all
upper case letters (eg. RESD, DTC, KMAX), computed values
have both upper and lower case letters (eg. Rt, PHIsc, Perm).
Define all variables, even if they have been defined on other
List of Abbreviations - Petrophysics
List of Abbreviations
Use generic tool and LAS curve names and minimize the use of tradenames.
Show references inline with the text. Keep them to a minimum.
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reproduced with permission.
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