YV-1 1N/5E-36G1-4 CT,NG,EP,ES,EL,LI,CO
YV-2 1N/5E-36M1-3 CT,NG,EP,ES,EL,LI,CO
Acoustic AV Acoustic
Velocity (Sonic)
Caliper CT Caliper,
Three Arm
Electric ER Single-point
Resistance
EP Spontaneous
Potential (SP)
EF Focused
Resistivity (Guard)
ET Lateral
Resistivity
Nuclear NG Gamma
CO Well Construction
LI Lithologic