Geophysical Logging Systems Geophysical Logging Systems (GLS), a division of MM&A, began in 1975. This division reflects the company's desire to specialize, modernize, and computerize borehole logging practices. GLS personnel have years of logging and downhole camera experience and adhere to the safety regulations required by the Nuclear Regulatory Commission. Radiation Safety Schools have been attended, and a radiation safety officer coordinates and manages all activities.
GLS personnel can assist in determining which log responses are best suited for various applications.




Borehole Geophysical Services Flyer (PDF)