CHEVRON GULF OF MEXICO GAS HYDRATE
JIP 2 DRILLING PROGRAM
ACRONYMS USED FOR SCHLUMBERGER LWD-MWD TOOLS
ECO | EcoScope |
GVR | geoVision |
MP3 | MP3 Sonic |
PERI | PeriScope |
ACRONYMS AND UNITS USED FOR LWD-MWD SCHLUMBERGER (SLB) LOGS
RESISTIVITY
Phase Shift Resistivity - EcoScope (0.5 ft Sampling rate) | |
P16B | Phase Shift Resistivity Blended, 16 in. (Ω.m) |
P22B | Phase Shift Resistivity Blended, 22 in. (Ω.m) |
P28B | Phase Shift Resistivity Blended, 28 in. (Ω.m) |
P34B | Phase Shift Resistivity Blended, 34 in. (Ω.m) |
P40B | Phase Shift Resistivity Blended, 40 in. (Ω.m) |
P16H | Phase Shift Resistivity, 2 MHz, 16 in (Ω.m) |
P22H | Phase Shift Resistivity, 2 MHz, 22 in (Ω.m) |
P28H | Phase Shift Resistivity, 2 MHz, 28 in (Ω.m) |
P34H | Phase Shift Resistivity, 2 MHz, 34 in (Ω.m) |
P40H | Phase Shift Resistivity, 2 MHz, 40 in (Ω.m) |
P16L | Phase Shift Resistivity, 400 KHz, 16 in (Ω.m) |
P22L | Phase Shift Resistivity, 400 KHz, 22 in (Ω.m) |
P28L | Phase Shift Resistivity, 400 KHz, 28 in (Ω.m) |
P34L | Phase Shift Resistivity, 400 KHz, 34 in (Ω.m) |
P40L | Phase Shift Resistivity, 400 KHz, 40 in (Ω.m) |
Attenuation Resistivity - EcoScope (0.5 ft Sampling rate) | |
A16B | Attenuation Resistivity Blended, 16 in. (Ω.m) |
A22B | Attenuation Resistivity Blended, 22 in. (Ω.m) |
A28B | Attenuation Resistivity Blended, 28 in. (Ω.m) |
A34B | Attenuation Resistivity Blended, 34 in. (Ω.m) |
A40B | Attenuation Resistivity Blended, 40 in. (Ω.m) |
A16H | Attenuation Resistivity, 2 MHz, 16 in. (Ω.m) |
A22H | Attenuation Resistivity, 2 MHz, 22 in. (Ω.m) |
A28H | Attenuation Resistivity, 2 MHz, 28 in. (Ω.m) |
A34H | Attenuation Resistivity, 2 MHz, 34 in. (Ω.m) |
A40H | Attenuation Resistivity, 2 MHz, 40 in. (Ω.m) |
A16L | Attenuation Resistivity, 400 KHz, 16 in. (Ω.m) |
A22L | Attenuation Resistivity, 400 KHz, 22 in. (Ω.m) |
A28L | Attenuation Resistivity, 400 KHz, 28 in. (Ω.m) |
A34L | Attenuation Resistivity, 400 KHz, 34 in. (Ω.m) |
A40L | Attenuation Resistivity, 400 KHz, 40 in. (Ω.m) |
geoVision (1.2 in Sampling Rate) | |
BDAV | Deep Resistivity Average (Ω.m) |
BMAV | Medium Resistivity Average (Ω.m) |
BSAV | Shallow Resistivity Average (Ω.m) |
RING | Ring Resistivity (Ω.m) |
POROSITY
EcoScope (0.5 ft Sampling Rate) | |
BPHI | Best Thermal Neutron Porosity, Average (%) |
DENSITY
EcoScope (0.1524 m Sampling Rate) | |
IDDR | Image Derived Density Correction g/cm3) |
IDPE | Image Derived Photoelectric Effect (barns/e-) |
IDRO | Image Derived Bulk Density (g/cm3) |
GAMMA RAY
geoVision (0.5 ft Sampling Rate) | |
GR | Gamma Ray (gAPI units) |
EcoScope (0.5 ft Sampling Rate) | |
GRMA | Gamma Ray. Average (gAPI units) |
GEOCHEMISTRY
EcoScope (0.5 ft Sampling Rate) - SpectroLith WALK2 Model | |
DWAL_WALK2 | Dry Weight Fraction Pseudo Aluminum |
DWCA_WALK2 | Dry Weight Fraction Calcium |
DWCL_WALK2 | Dry Weight Fraction Chlorine Associated with Salt |
DWFE_WALK2 | Dry Weight Fraction Iron + 0.14 Aluminum |
DWGD_WALK2 | Dry Weight Fraction Gadolinium |
DWHY_WALK2 | Dry Weight Fraction Hydrogen Associated with Coal |
DWSI_WALK2 | Dry Weight Fraction Silicon |
DWSU_WALK2 | Dry Weight Fraction Sulfur |
DWTI_WALK2 | Dry Weight Fraction Titanium |
CALIPER
EcoScope (0.5 ft Sampling Rate) | |
DCAV | Differential Caliper Average (in) |
VELOCITY
sonicVISION (0.5 ft Sampling Rate) | |
DTCO | Compressional Slowness(μs/ft) |
DTSM | Shear Slowness(μs/ft) |
DTRP | Delay Time(μs/ft) |
VELP | Compressional Velocity (km/sec) |
VELS | Shear Velocity (km/sec) |
MISCELLANEOUS
EcoScope (0.5 ft Sampling Rate) | |
ROP | Rate of Penetration (ft/hr) |
ROP5 | Rate of Penetration, average over last 5 ft (ft/hr) |
RPM | Tool Rotational Speed (rpm) |
geoVision (0.5 ft Sampling Rate) | |
ROP5 | Rate of Penetration, average over last 5 ft (ft/hr) |
RPM | Tool Rotational Speed (rpm) |
RTIM | Ring Resistivity Time after Bit (s) |
Temperature and Pressure (0.5 ft Sampling Rate) | |
DHAP | Downhole Annulus Pressure (psi) |
DHAT | Downhole Annulus Temperature (°F) |
Any missing SLB acronyms could be found at SLB's Curve Mnemonic Dictionary |