Having trouble finding something? Get assistance from our helpful staff.

 Read Now

Get in Touch

For information about TrueLog, LogSleuth or LAS format Well Logs.

Contact Us Today

Key Facts

Read about MJ's
over 6 million Well Logs.

Read Here


Customers have access to over 6.5 million Well Logs. Find out how to place an order.
Learn More


The TrueLog format uses MJ Systems high quality log images with the accuracy and detail of our depth registrations to deliver application ready well logs for direct download into most of the industry preferred mapping programs and cross section packages. For as low as 50¢ per well.

Key Advantages

  • The TrueLog format does not use or require the LogSleuth Software.

  • Each well log includes all available scales, headers and scale blocks.

  • TrueLog formatted well logs are priced by the well with discounts for volume purchases.

  • Order by the well, township, block, county, basin, area or state.

  • On-Line log header library.

  • On-Line searchable catalog.

  • Best log coverage available.