Mostly Free Downloads

The SPWLA has a few free items available at their download page.  Be sure to check out the nifty logging screen saver; we run it on our shop computer.

Free Uncle Raymonds Tool Box (URTB) is a very useful collection of utilities for the oilfield, and especially for wireline / logging use.


R. J. Zittel of RJZ Petrophysics Consulting offers some very nice free software on his Software and Links page.

RJZ Software

Yalcin Pekiner's handy Log Interpretation Center offers three online programs:
Clay Type, Lithology, and Log Interpretation.

Log Center

E.R. (Ross) Crain, P.Eng. has an interesting website, Spectrum 2000, with a nice selection of shareware offerings.

Spectrum 2000

Free Log Calculator from Petroleum Software Technologies (PST).  Though free, users must complete a short registration form before downloading.

Log Calculator

Free Goodies from KAPPA, a petroleum software company based in Paris, France.  They produce Emeraude, a production logging interpretation package.


EagleImage (formerly MetaView) is a WMF and EMF file viewer available from Digital Formation, Inc. as shareware; free, but print capability is $50.00.


welenco, inc. is a full service wire-line company located in California with some interesting downloads available from their website.


Convert is a useful little units conversion program from Josh Madison.  It is in use all over the world and even in outer space!


Schematics Available From AnaLog Services Inc.

Application Notes From AnaLog Services, Inc.

Free Computer Generated Log Heading Offer

Get ADACALC 3.1 Spreadsheet Template

T921/T922/T922R Manual (14.3 MB pdf File)

Join the Wireline Mailing List - an email reflector / listsever dedicated to the discussion of well logging and wireline matters.   See our Wireline Reflector Info Page for details.

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Last 05-21-08