|
Tool string
|
Tool
|
Output
|
Explanation
|
Units
|
|---|---|---|---|---|
| Triple combination | APS |
|
Accelerator porosity sonde |
|
|
|
|
APLC | Near array porosity (limestone calibrated) | Fraction |
|
|
|
FPLC | Far array porosity (limestone corrected) | Fraction |
|
|
|
SIGF |
Formation capture cross section ( f) |
Capture units |
|
|
|
STOF | Tool standoff (computed distance from borehole wall) | in |
|
|
DIT |
|
Dual induction tool |
|
|
|
DIT-E |
|
Phasor induction-spherically focused resistivity tool |
|
|
|
|
IDPH | Deep induction resistivity |
 m |
|
|
|
IMPH | Medium induction resistivity |
m |
|
|
|
SFLU | Spherically focused resistivity |
m |
|
|
|
SP | Spontaneous potential | mV |
|
|
HLDT |
|
Hostile environment litho-density tool |
|
|
|
|
RHOB | Bulk density (corrected) | g/cm3 |
|
|
|
PEF | Photoelectric effect | b/e- |
|
|
|
CALI | Caliper (measure of borehole diameter) | in |
|
|
|
DRHO | Bulk density correction | g/cm3 |
|
|
HNGS |
|
Hostile environment gamma ray sonde |
|
|
|
|
HSGR | Standard (total) gamma ray | gAPI |
|
|
|
HCGR | Computed gamma ray (HSGR minus uranium contribution) | gAPI |
|
|
|
HFK | Potassium | Fractional % |
|
|
|
HTHO | Thorium | ppm |
|
|
|
HURA | Uranium | ppm |
|
|
TAP |
|
Temperature/acceleration/pressure tool | °C, m/s2, psi |
|
|
|
|
|
|
| Formation MicroScanner/Sonic | DSI |
|
Dipole sonic imager |
|
|
|
|
DTCO |
Compressional wave delay time ( t) |
ms/ft |
|
|
|
DTSM |
Shear wave delay time (t) |
ms/ft |
|
|
|
DTST |
Stoneley wave delay time (t) |
ms/ft |
|
|
FMS |
|
Formation MicroScanner |
|
|
|
|
|
Oriented images of borehole microductance |
|
|
|
GPIT |
|
General purpose inclinometer tool |
|
|
|
|
Fx, Fy , Fz | Earth's magnetic field (three orthogonal components) | Degrees |
|
|
|
Ax, Ay , Az | Acceleration (three orthogonal components) | m/s2 |
|
|
NGT |
|
Natural gamma ray spectrometry tool |
|
|
|
|
SGR | Standard total gamma ray | gAPI |
|
|
|
CGR | Computed gamma ray (SGR minus uranium contribution) | gAPI |
|
|
|
POTA | Potassium | % |
|
|
|
THOR | Thorium | ppm |
|
|
|
URAN | Uranium | ppm |
| Three-component Well Seismic Tool | WST |
|
Well seismic tool |
|
|
|
|
|
Acoustic arrival times | ms |