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


COLOG not only offers unsurpassed logging services, interpretations and presentations, it provides those interested in “DIY” convenience and economy an extensive rental pool of borehole geophysical and video systems. See our full rental sheet below.

Whether your project demands low-cost logging alternatives, long-term monitoring capacity or remote access location capabilities, your needs and budget can be accommodated by uniting our equipment and expertise, with your personnel.

Training and data interpretation is available by experienced COLOG staff engineers, as well as immediate access phone help-line for specific questions that may arise in the field.

Rental measurements available include:
Normal Resistivities, Single Point Resistance, Spontaneous Potential, Induction Conductivity, Magnetic Susceptibility, Natural Gamma, Borehole Deviation, Heat Pulse Flowmeter, Spinner Flowmeter, Caliper, Fluid Resistivity, Fluid Temperature, Full Waveform Sonic, Acoustic Televiewer, Optical Televiewer and Spectral Gamma.

New measurements and techniques and being added continually, call and tell us about your project and we’ll help direct you to available tools and technologies.

»  Water Well Completion
»  Monitor Well Evaluation
»  Hydrogeological Studies
»  Mining Investigations
»  Engineering Parameters
»  Borehole Deviation
»  Formation Resistivity/ Conductivity
»  Vertical Fluid Flow
»  Borehole Diameter
»  Lithology / Stratigraphic Correlation