About MJ

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

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

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Ordering

Working With MJ Systems

  • Choose MJ's LAS, TrueLog or LogSleuth format Well Logs.
  • Contact MJ Sales department at 1-800-310-6451 or This email address is being protected from spambots. You need JavaScript enabled to view it.
  • Or send an email directly to This email address is being protected from spambots. You need JavaScript enabled to view it.
  • Or Search the catalog and submit a request.

Key Advantages

Reputation

Gathering and providing well logs since 1971

Coverage

Over 6 million Well Logs in inventory

Quality

Highest quality Well Logs with industry's most detailed depth registrations

Flexibility

Purchase a single well, an area, meridian, full state or province or inquire about raster rental options.

Choice

LAS, LogSleuth or TrueLog format Well Logs; The Choice is yours.

Pricing

Industry's most affordable Well Log solutions. Own the logs. Raster rentals also available.

Updates

Infrastructure to provide timely release of new well logs

Connectivity

LogSleuth Well Logs import into industry preferred mapping programs and geological applications. TrueLog and LAS Well Logs are application ready.