TRIM Measurement Flowchart
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C & C ai aq TRIM Electronics ‘Zero’ measurement S & S oi oq Transmitter Calibration measurement S & S ci cq Receiver (MR & BR ) x x measurement S & S mi mq PLOT R t PLOT DECONVOLVED R t ~2 seconds ~2 seconds ~2 seconds T r a n s m i t C ai Orienteer Surface Software DOWNHOLE SURFACE Data Preparation KEY C : conductivity (mho/m) R : resistivity (ohm.m) i : in-phase q : quadrature (out-of-phase) a : apparent r : raw t : true n n B : Environmental corr B : Borehole compensation B : Temperature corr e h t S : Elec. zero measurement S : Transmitter calibration meas. S : Receiver measurement o c m Mutual Balance adjustment with C rq M e m o r y Optionally store * Temp Ti * Diagnostic byte * Crq Store C ri C & C ri rq Raw Conductivity Sonde Error and Environmental Corrections Apparent Conductivity Loop Cal ‘K’ Air Cal ‘B’ True Conductivity C + Skin Depth Correction = C ai ti True Resistivity R = 1/C t ti Surface Environmental Correction B = B + B e h t
description
Flowchart
Transcript of TRIM Measurement Flowchart
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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
