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1 - Introduction
2 - Rock Stress Measurement
3 - Rock Properties
4 - Ground Fluids
5 - Fluid Pressure Monitoring
6 - Gases in Rock and Coal
7 - Equipment
8 - Examples of Sigra's work
Directional Drilling for Tunnel Investigation
In-situ Stress Testing (IST) by Overcoring
Piezometer Installation with Cement Displacement
Cement Displacement Technology HD
Gas Content Without Coring
Cyclonic Gas Liquid Separator
Core Ovality Test