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P: 303-279-0171 / F: 303-278-0135



Our philosophy is simply this:
ONLY the Best will do…
The Best people…The Best technology…The Best data…
ONLY then can our clients make the essential decisions needed for their project.

pdf-16 DOWNLOAD our Scope of Services Sheet

For nearly three decades, COLOG has been the recognized leader in borehole geophysical and hydrophysical logging services and analysis.

The reason for the reputation they have earned as an industry leader is well founded; COLOG uses only highly trained and experienced field professionals and employs degreed engineers for processing and analysis of the collected data.

This collaboration affords clients the very best in data collection and analysis. This level of competency coupled with unparalleled years of experience, yields superior, dependable results, often along with new approaches to old problems and ever-expanding technology development and cross-utilization.


Contact Us

Need a CPR or First Aid Class?

Periodically, Colog’s Health and Safety Manager, Catie O’Neil, will host a class for CPR and First Aid certification. We are more than happy to share her knowledge with other individuals or companies. If you have people in need of training or a refresher, give us a call. We’ll let you know when our next class is coming... read more

COLOG will be attending SAGEEP 2016

COLOG will be attending the SAGEEP annual conference and expo March 20-24, 2016 at the Denver Marriott City Center. If you’re attending, stop by our booth – #5, or contact Greg Bauer or Mike Culig to schedule a time to meet at your office or ours to discuss what COLOG can do for... read more

COLOG Opens Arizona Office

COLOG has opened an office in Arizona to better serve clients who have projects in and around the the southwest region. Arizona’s own STEVE STROUD has been hired to run this new location. Steve comes to COLOG with direct experience in borehole logging and data processing and a personal knowledge of the area. Steve was educated at Arizona State University and makes his home in Maricopa. Many of the COLOG clients already know him and everyone is pleased to have him join our... read more