logging-penetration-logging

allowable shut-off time of fast shut-off valve

fall off [= bear off]

hang off [= stop off]

Off beat takes off

Off-Line Handwritten Chinese Character Recognition (off-line HCCR)

off-line trusted third party (off-STTP)

Off-on-off

one-off write-off

voltage cut off or current cut off

〔Engineering Logging〕

3 D logging constrained inversion

Acoustic Amplitude Logging

acoustic amplitude-density logging

acoustic amplitude-variable density logging tool

Acoustic and Resistivity Imaging Logging

Acoustic Cement Bond Logging

Acoustic Logging

acoustic logging data