Collective term for well logging measurements performed in cased-hole wells:
| Abbreviation | Tool name | Log Name(s) | Measured physical property | Applications |
|---|---|---|---|---|
| TAU1,TAU2 | Nuclear magnetic moment relaxation time | Total and effective formation porosity and saturation | ||
| Sonic Logging | VS, VP, DS, DT | Veolocity of acoustic waves | Formation lithology, porosity and saturation | |
| Litho-Density Logging | RHOB, PEF | Gamma ray decrement | Formation lithology, porosity | |
| Compensated Neutron Logging | NPHI | Thermal neutron scatter decrement | Formation lithology, porosity | |
| GR | Gamma Ray Logging | GR | Natural gamma ray emmission | Formation shaliness and formation boundaries |
| Resistivity Logging | IDL, MDL, MSFL, LDL, MDL | Formation electrical resistivity | Formation porosity and saturation | |
| Sponteneous Potential | SP | Formation electrical potential | Formation shaliness and formation boundaries | |
| Caliper Logging | DCAL | Wellbore diameter | Formation lithology and formation boundaries |