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Optical imaging tool is to provide detailed, oriented, structural and geological information. Applications: fracture detection and evaluation detection of thin beds bedding dip lithological characterization casing inspection true color rock fabric. The ALT 40mm Optical Borehole Televiewer or OBI40 is an advanced slimhole logging tool designed to optically image of the surface wall of open and cased wells, either in air or clear water. Designed to complement ALT Acoustic Televiewer (ABI40) in dry well situations

Ground geophysics survey

G&DS LLC provides ground geophysical services in data acquisition, processing and interpretation. We carry out following survey methods of the ground 


Borehole geophysics survey

We carry out the borehole logging to get in-situ physical properties of surrounding formation of subsurface area with wide range of logging tools, in open and cased boreholes. 


Consulting Service

G&DS LLC provides, together with our professional partners, the consulting services for the energy, mineral exploration, environmental, geotechnical, ground water and mining investigations .


Contact us

AOS-7, Tsergiin khotkhon-1B, 2nd khoroo Bayanzurkh district, Ulaanbaatar, Mongolia

Telephone:     +976 - 7007 8008
Fax:     +976 - 7007 9009