About MJ

Discover how MJ's experience & coverage have made us leaders in the industry.

 Learn More

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

Well Log Coverage

MJ Systems has been gathering well logs all over North America since the early 1970s. We have assembled one of the industries most complete, highest quality, depth registered well log libraries available with over 6.5 million logs. This tremendous collection covers 27 States and Canada. Areas are constantly updated with new releases keeping the library current and up to date. Click on a province or state on the map below to see the number of wells and logs. Log in to our catalog where you can search for wells and view the log headers.

MJ Well Logs

Learn more about LogSleuth, TrueLog and Application Ready LAS formats of Well Logs that MJ Systems offers.

Learn More