Page 278 - The Geological Interpretation of Well Logs

- THE GEOLOGICAL INTERPRETATION OF WELL LOGS -

TYPE SCHLUMBERGER WESTERN ATLAS (*)

CALIPER & CAL Caliper
DIRECTIONAL BGL Borehole Geometry 4CAL Dual Caliper

DIPMETER HDT High Resolution Dipmeter Too] DIP 4-Arm Dipmeter (Diplog)
SHDT Stratigraphic High
Resolution Dipmeter Tool
OBDT Oil-Based Dipmeter Tool
HDIP 6-Arm Dipmeter
(Hex dip)

BOREHOLE IMAGING

ELECTRICAL = FMS Formation Micro-Scanner
FMI Fullbore Formation MicroImager

ACOUSTIC BHTV Borehole Televiewer (general term not company specific)
UBI Ultrasonic Borehole Imager CBIL Circumferential Borehole
Imaging Log

COMBINED STAR Simultaneous Acoustic
& Resistivity
Borehole Imager
(CBIL + HDIP)

MISCELLANEOUS MNEMONICS

BS Bit Size
TD Total Depth
MSL Mean Sea Level
TYD True Vertical Depth
MD Measured Depth
RT Rotary Table
KB Kelty Bushing
BHT Bottom Hole Temperature
MWD Measurement While Drilling
LWD Logging While Drilling
TTI ATT) Integrated Trave] Time
PEF Photoelectric Factor
HI Hydrogen Index
API American Petroleum Institute (aiso API unit for GR)

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