"Best Selection. Trusted Quality. Dependable Support."

Borehole Logging Equipment

Borehole Logging Equipment

Mount Sopris Instruments manufactures, distributes, and rents geophysical equipment and software for subsurface investigations. Our products include borehole logging equipment for groundwater, mining, research, geotechnical, and other applications. We offer a range of stackable wireline probes, versatile data loggers, rugged logging winches, and WellCAD – the industry standard in log presentation software.


New Slim Gamma Probe!

New Slim Gamma Probe!

Driven by our goal to continuously improve the quality and performance of our products, Mount Sopris Instruments is pleased to announce the release of a new slim gamma probe. With a diameter of just 32mm and the latest generation of digital communications, the 32GR can be run as a standalone tool or be coupled with a source carrier and Cs-137 source for 4-Pi density measurements. Click here for more information.

Customer Focused

Customer Focused

For over 60 years, Mount Sopris has delivered innovative solutions to drillers, miners, engineers and researchers in over 120 countries. With an extensive product range and industry-leading customer support, Mount Sopris is dedicated to the success of its customers. Contact us today to learn how our geophysical well logging instrumentation, software and services can improve your productivity and data integrity.

About Mount Sopris

Mount Sopris Instrument Company was founded in Boulder, Colorado in 1951 at a time when locating uranium for weapon and reactor use was of national interest. The company’s first product was a portable scintillation counter.

Early on, Mount Sopris joined forces with a company that made respirators for polio victims.

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Recent News

  • Save Money by Servicing your Equipment Before January 31st!

    Save Money by Servicing your Equipment Before January 31st!

      Winter in the northern hemisphere often means scheduled downtime for borehole logging operations. Take advantage of this time by sending your equipment to Mount Sopris for maintenance, calibration or repair, and gain the confidence that your equipment will ready-to-go when your field work resumes. And if you …Read More »
  • Don’t miss NGWA and AGU trade shows in December!

    Don’t miss NGWA and AGU trade shows in December!

    Come visit Lia Martinez and Jim LoCoco in Booth 533 at the upcoming National Groundwater Association annual meeting and exhibition from December 6th-9th, 2016 in Las Vegas, Nevada! The show is one of the largest water well drilling exhibitions and conferences in the world. Jim and Lia will …Read More »
  • Mount Sopris and ALT:  3 Reasons why we are better together!

    Mount Sopris and ALT: 3 Reasons why we are better together!

    Mount Sopris Instruments (MSI) has been partnering with Advanced Logic Technology (ALT) for almost 20 years, with the goal of providing customers with the most comprehensive range of fully integrated borehole logging solutions. Together, MSI and ALT offer customers unique advantages that improve their subsurface investigations and promote …Read More »
  • 4WNA Winch Upgrade Available!

    4WNA Winch Upgrade Available!

    Do you have a Mount Sopris 4WNA winch with a 1 HP motor and more than 1000 meters (3,281 feet) of geophysical logging cable?  If so, we now have an upgrade kit package that includes a 2 HP motor plus gear box, mounting hardware and accessories, and step-by-step installation …Read More »