C & Cai aq

TRIM Electronics Zero measurement

S & Soi oq

Transmitter Calibration

measurement

S & Sci cq

Receiver (MR & BR ) x xmeasurement

S & Smi mq

PLOT R t

PLOTDECONVOLVED

Rt

~2 seconds

~2 seconds~2 s

econ

ds

Transmit

CaiOrienteer

Surface Software

DOWNHOLE

SURFACE

DataPreparation

KEYC : conductivity (mho/m) R : resistivity (ohm.m)i : in-phase q : quadrature (out-of-phase)a : apparent r : raw t : true

n nB : Environmental corr B : Borehole compensation B : Temperature corre h tS : Elec. zero measurement S : Transmitter calibration meas. S : Receiver measuremento c m

Mutual Balanceadjustment with Crq

Memory

Optionally store* Temp Ti* Diagnostic byte* Crq

Store Cri

C & Cr i rq

RawConductivity Sonde Error and

EnvironmentalCorrections

ApparentConductivity

Loop CalK

Air CalB

True ConductivityC + Skin Depth Correction = Cai ti

True ResistivityR = 1/Ct ti

SurfaceEnvironmental

CorrectionB = B + Be h t