Logging Techniques and Tools

In this section the numerous techniques used in logging are discussed, including hole-to-hole methods.

Acoustic Logging
• Acoustic-Velocity Logs
• Acoustic Waveform Logging
• Cement-Bond Logging
• Acoustic Televiewer

Electrical Methods
• Spontaneous Potential Log
• Single-Point Resistance Log
• Normal Resistivity Log
• Lateral Resistivity Log
• Focused Resistivity Log
• Microresistivity Log
• Dipmeter Log
• Induction Logging

Flow Logging
• Impeller Flowmeter
• Heat-Pulse Flowmeters

Hole-To-Hole Logging
• Crosshole Seismic-Sonic Logging Survey
• Crosshole Seismic-Sonic Tomography Survey

Hydrophysical Logging

Nuclear Logging
• Gamma logging
• Gamma-Gamma Logging
• Neutron Logging

Well Completion Logging
• Casing Logging
• Logging Annular Materials
• Borehole-Deviation

The pages found under Surface Methods and Borehole Methods are substantially based on a report produced by the United States Department of Transportation:

Wightman, W. E., Jalinoos, F., Sirles, P., and Hanna, K. (2003). "Application of Geophysical Methods to Highway Related Problems." Federal Highway Administration, Central Federal Lands Highway Division, Lakewood, CO, Publication No. FHWA-IF-04-021, September 2003. http://www.cflhd.gov/resources/agm/