SINGLE--USER LICENSE
Payment of a Shareware Fee or purchase of Reference Manuals or purchase of Audio Visual Courses permits the purchaser to use Crain's copyrighted petrophysical training materials for personal use ONLY. Copying or distributing the materials in any form is not permitted, except for personal archiving purposes.

Corporate and Academic Licenses are available to permit instructors to create copies of specified materials upon application and payment of a fee. The Single-User License applies to anyone receiving a copy of any material distributed under a Corporate or Academic License.



RESTRICTION ON REPRODUCTION
The text, software, and code snippets in this Handbook are the copyright of the author. No part of this handbook may be reproduced in any form, or incorporated into any information retrieval system, without the express written permission of the author and payment of a fee.

No instructor or student giving or taking a course based upon the material in this Handbook, nor any other person, corporation, association, or group of persons, may copy, reproduce, distribute, sell, give away, or lend all or any portion of this handbook to one or more members of the general public, whether or not for profit, without the express written permission of the author and payment of a fee.

In short, you cannot use this material to give a course or create a computer program without paying for that privilege, even if you do not charge for your effort – this includes in-house courses for others in your organization.


SPECIAL COPYRIGHT NOTICE
The text, software, and code snippets in this Handbook are intended to be used by individual students or practicing log analysts during the course of their study or their daily work. A shareware contribution is required from each person using this Handbook. Please pay your shareware fee HERE.

Pages may be reproduced by the student or practicing log analyst for his or her sole use, provided each copy of the material so used contains a reference to the source of the material copied. The balance of the restrictions on reproduction apply, such as the restriction to reproduce, copy, loan, or sell to others.

The mathematical formulae, calculator programs, and computer programs contained herein are intended to be used by the student or practicing log analyst for his or her sole use in his or her own computer or calculator. The balance of the restrictions on reproduction apply. The creation of calculator or computer programs for lease or for sale, or for use by others in your organization, based solely or largely upon material in this Handbook, is expressly prohibited, unless prior written consent is obtained from the copyright holder and a fee is paid.

In short, you can use this site for your own personal education or career enhancement, but you cannot use it to teach others or to create computer programs for use by others without paying for this privilege.


TRADEMARKS AND TRADENAMES
The use in this Handbook of trademarks and tradenames without special acknowledgement does not imply that such names, as defined under the relevant protection laws, may be regarded as unprotected and thus free for general use. No endorsement of a product is intended by use of a tradename in this text.


WARRANTY
While the advice and information contained in this book are believed to be true and accurate at the date of publication, neither the author nor the publisher can accept any legal responsibility for errors or omissions. The author and publisher make no warranty, either expressed or implied, with respect to the material contained herein. You use the software and text at your sole risk and responsibility.


IMAGE COPYRIGHT
All images are used for educational purposes. It is believed that all images used on this site are in the public domain or are reproduced under the "fair use" doctrine. If you object to any particular image, it will be removed or given proper attribution, as desired by the copyright holder.
 

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