IKU Stratigraphic Drilling Projects 1982 - 1993

Wireline log mnemonics
MnemonicSourceToolCurve Name (Source-receiver spacing)Curve Unit
BRDEBPBDD3Bed Resolution Density (15 cm)g/cm3
CADEBPBDD3Caliper from Density Toolinch or cm
CALILISCaliperinch or cm
CODEBPBDD3Compensated Densityg/cm3
DEPTHLISDepth (below sea bed (SB))m
DLT?possibly Long Spaced Sonic ?µs/m ?
GRLISGammaAPI
GRDEBPBDD3Gamma from Density ToolAPI
GRNPBPBNN1Gamma from Neutron ToolAPI
LSDEBPBDD3Long Spaced Density (48 cm)g/cm3
LSDUBPBDD3Long Spaced Density (48 cm)BPB standard density unit
LSNBPBNN1Long Spaced NeutronBPB standard neutron unit
NLPSBPBNN1Long Spaced NeutronBPB standard neutron unit
NPHILISNeutron Porosityneutron porosity unit
NPRSBPBNN1Neutron Porosity (45 cm)Sst porosity unit
RHOBLISDensity (from any density tool)g/cm3
SONLBPBMS1Sonic Transit Time Long (60 cm)µs/ft
SONSBPBMS1Sonic Transit Time Short (20 cm)µs/ft
TIMELISElapsed time (from start of file)h/min/sec
XCALILISCaliper (from any caliper tool)inch or cm
XDLT?possibly Long Spaced Sonic ?µs/m ?
XGRLISGamma (from any gamma tool)API
XNPHILISNeutron Porosity (from any neutron tool)neutron porosity unit
XRHOBLISBulk Density (from any density tool)g/cm3

Published March 10, 2008