MJ Logs offers the most complete coverage with 3 million wells and 7 million Raster Logs and LAS in the US and Canada.
We don’t believe you should have to keep paying exorbitant amounts just so you can keep using your logs or have access to a library. We offer our customers only one thing: the best and most complete library of high quality raster well logs and LAS with a wide variety of pricing options to meet the requirements of all users, including the ability to license our products for use by you forever.
Log in to our Well Library Search system — it’s FREE
Search for wells.
Submit a quote or contact us for more information.
Founded in 1971, MJ Logs (formerly MJ Systems) revolutionized the oil & gas industry with the introduction of oil and gas well logs on microfiche. As a pioneer in this field we’ve been gathering well logs from many sources and building our unrivaled raster log and LAS library ever since.
We have a strong commitment to customer care and support, and we promise to be available to you at every step of our engagement. We at MJ Logs are committed to your success. We provide complete technical support and assistance for LogSleuth, Raster Logs and LAS.
Delivering affordable, effective well log services to thousands of users – from individual geologists to North America’s top exploration companies.
MJ Logs has been gathering well logs all over North America since 1971. The library is constantly updated, keeping it current and up to date.
The industry’s most complete, highest quality, collection of depth registered Raster Well Logs
Well Log Curves digitized from our high quality depth registered Rasters and provided as LAS.
MJ Logs has been gathering well logs all over North America since 1971. We have assembled one of the industry’s most complete, highest quality, depth registered Raster Well Log and LAS libraries. This tremendous collection contains over 3 million wells and 7 million Raster Logs and LAS. Areas are constantly updated, keeping the library current and up to date. Sign up to our Well Library Search System, for FREE, to search for wells and view the log headers.
MJ supports many educational institutions by providing raster well logs, LAS, and software. We understand the importance of utilizing quality real world products.
© 2025 MJ Logs.
MJ Logs offers the finest original source raster well logs with the most accurate depth registrations and the highest quality LAS digitization.
Locations
3333 S. Bannock Street, Ste 225
Englewood, CO 80110
2410 10 Avenue SW
Calgary, Alberta T3C 0K6
Get In Touch
Phone 1 – 800- 310 – 6451
Email esales@mjlogs.com
esupport@mjlogs.com
MJ Logs offers the finest original source raster well logs with the most accurate depth registrations and the highest quality LAS digitization.
Locations
3333 S. Bannock Street, Ste 225
Englewood, CO 80110
2410 10 Avenue SW
Calgary, Alberta T3C 0K6
Get In Touch
Phone 1 (800) 310 – 6451
Email esales@mjlogs.com
esupport@mjlogs.com
orders@mjlogs.com