Schlumberger

Mnemonics, Tools, ISONIC6


CodeISONIC6
TechnologyAcoustic
DisciplinePetrophysics
MethodMWD
Description6.75 inch Sonic While Drilling Tool (sonicVISION)

Related channels
ChannelDescription
AMCO Amplitude at Compressional Peak
AMPO Amplitude at Compressional Peak, Pumps Off
AMPR1 Amplitude of Receiver 1 Signal
AMPR2 Amplitude of Receiver 2 Signal
AMPR3 Amplitude of Receiver 3 Signal
AMPR4 Amplitude of Receiver 4 Signal
AMPR5 Amplitude of Receiver 5 Signal
AMPR6 Amplitude of Receiver 6 Signal
AMPR7 Amplitude of Receiver 7 Signal
AMPR8 Amplitude of Receiver 8 Signal
AMRA_DH Amplitude at Compressional Peak for Receiver Array Computed Downhole
AMTA Amplitude at Compressional Peak for the Transmitter Array
ANR1 Angle of Peak from P1DT_RA for Receiver Tadpole
ANR2 Angle of Peak from P2DT_RA for Receiver Tadpole
ANR3 Angle of Peak from P3DT_RA for Receiver Tadpole
ANR4 Angle of Peak from P4DT_RA for Receiver Tadpole
ANT1 Angle of Peak from P1DT_TA for TransmitterTadpole
ANT2 Angle of Peak from P2DT_TA for TransmitterTadpole
ANT3 Angle of Peak from P3DT_TA for TransmitterTadpole
ANT4 Angle of Peak from P4DT_TA for TransmitterTadpole
C1RA Peak Coherence - Receiver Array
C1TA Peak Coherence - Transmitter Array
CHCO Coherence at Compressional Peak
CHPO Coherence at Compressional Peak, Pumps Off
CHR4 Peak Coherence, Receiver Array - Fourth Peak
CHRA Coherence at Compressional Peak for the Receiver Array
CHRA_DH Coherence at Compressional Peak for Receiver Array Computed Downhole
CHTA Coherence at Compressional Peak for the Transmitter Array
DMXM Maximum Deviation in Tool Position for the Transmitter Array
DRMS Standard Deviation in Tool Position for the Transmitter Array
DTBC Delta-T Compressional Borehole Compensated (Depth Derived)
DTCC Delta-T Compressional with Coherence Cutoff
DTCO Delta-T Compressional
DTDF Delta-T Compressional Difference between DTRA and DTTA
DTPO Delta-T Compressional, Pumps Off
DTR4 Label Peak Slowness, Receiver Array - Fourth Peak
DTRA Delta-T Compressional from Receiver Array
DTRA_DH Delta-T at Compressional Peak for Receiver Array Computed Downhole
DTSH Delta-T Shear Slowness
DTTA Delta-T Compressional from Transmitter Array
IDTF Integrated DTDF over Depth
ISSA ISONIC Samples, This Frame
ISSI Sonic Samples, This Frame
ISTA Sonic Time of Acquisition
ITT Integrated Transit Time
MNSH Minimum Labeling Slowness, Shear
MNSL Minimum Labeling Slowness, Compressional
MXSH Maximum Labeling Slowness, Shear
MXSL Maximum Labeling Slowness, Compressional
NPRA Number of Peaks - Receiver Array
NPTA Number of Peaks - Transmitter Array
NWRA Number of Waveforms used in Receiver Array Computation
NWTA Number of Waveforms used in Transmitter Array Computation
P1CH_RA Peak 1 Coherence for Receiver Array
P1CH_TA Peak 1 Coherence for Transmitter Array
P1DT_RA Peak 1 Delta-T for Receiver Array
P1DT_TA Peak 1 Delta-T for Transmitter Array
P1TT_RA Peak 1 Transit Time for Receiver Array
P1TT_TA Peak 1 Transit Time for Transmitter Array
P2CH_RA Peak 2 Coherence for Receiver Array
P2CH_TA Peak 2 Coherence for Transmitter Array
P2DT_RA Peak 2 Delta-T for Receiver Array
P2DT_TA Peak 2 Delta-T for Transmitter Array
P2TT_RA Peak 2 Transit Time for Receiver Array
P2TT_TA Peak 2 Transit Time for Transmitter Array
P3CH_RA Peak 3 Coherence for Receiver Array
P3CH_TA Peak 3 Coherence for Transmitter Array
P3DT_RA Peak 3 Delta-T for Receiver Array
P3DT_TA Peak 3 Delta-T for Transmitter Array
P3TT_RA Peak 3 Transit Time for Receiver Array
P3TT_TA Peak 3 Transit Time for Transmitter Array
P4CH_RA Peak 4 Coherence for Receiver Array
P4CH_TA Peak 4 Coherence for Transmitter Array
P4DT_RA Peak 4 Delta-T for Receiver Array
P4DT_TA Peak 4 Delta-T for Transmitter Array
P4TT_RA Peak 4 Transit Time for Receiver Array
P4TT_TA Peak 4 Transit Time for Transmitter Array
S1RA Peak Slowness - Receiver Array
S1TA Peak Slowness - Transmitter Array
SHKL Tool Shock Level
SNR Signal-to-Noise Ratio
SPHI Sonic Porosity
ST2W Two-Way Seismic Time
STKI ISONIC Samples - Receiver Array or Transmitter Array
STRA Slowness Time Projection, Receiver Array
STTA Slowness Time Projection, Transmitter Array
SVEL Sonic Velocity
T1RA Peak Time - Receiver Array
T1TA Peak Time - Transmitter Array
TAB_ISONIC ISONIC Time After Bit
TAB_SONIC Sonic Time After Bit
TSTA Tool Status
TTCO Transit Time Compressional Peak
TTEM Tool Temperature
TTPO Transit Time for Compressional, Pumps Off
TTR4 Peak Time, Receiver Array - Fourth Peak
TTRA Transit Time at Compressional Peak for the Receiver Array
TTRA_DH Transit Time at Compressional Peak for Receiver Array Computed Downhole
TTTA Transit Time at Compressional Peak for the Transmitter Array
WF1F Measured Waveform 1
WF1G Waveform 1 Gain
WF2F Measured Waveform 2
WF2G Waveform 2 Gain
WF3F Measured Waveform 3
WF3G Waveform 3 Gain
WF4F Measured Waveform 4
WF4G Waveform 4 Gain

Related parameters
ParameterDescription
AMAX Maximum Arrival Time
AMIN Minimum Arrival Time
AVG_DT Average Delta-T
AVG_DT_DEPTH Average Delta-T Depth
CCOF Cutoff Semblance on Coarse Slowness Grid
CCOF_DTTC Cutoff Semblance For Channel DTTC
DTRES Delta-T Vertical Depth Resolution
FCOF Cutoff Semblance on Fine Slowness Grid
GM_DEN_SEL Geogram Formation Density Selection
GM_DT_SEL Geogram Delta-T Selection
HPMW One half Peak Mask Width
ISON_INT_FACT Waveform Interpolation Factor
ISON_MAX_SAMP Number of Waveform Samples
ISON_NUM_RCVR Number of Receivers
ISON_RR_SPACE Receiver to Receiver Spacing
ISON_SCAL_FACT Waveform Scaling Factor
ISON_SL_INT_F Slowness Interpolation Factor
ISON_TR1_SPACE Transmitter to Receiver 1 Distance
ITT_OFFSET Integrated Transit Time Offset
ITWIM Integrated Time Window in Micro Time
ITWS Time Window Step
LBPF Number Of Buffered Peak Frames For Labeling
LDATC Delta Arrival Time Cost For Labeling
LDSC Delta Slowness Cost For Labeling
LDSTC Delta Slowness Time Line Cost For Labeling
LLAC Late Arrival Time Cost For Labeling
LLSC Low Semblance Cost For Labeling
LPMX Maximum number Of Allowed Peaks For Labeling
LSPKT Spike Threshold For Labeling
MXDV Maximum Deviation In Tool Position For Transmitter Array
NLSI Maximum Number Of Least Squares Iterations
NWED Noise Window End
NWMO Noise Window Moveout
NWST Noise Window Start
SBIN Search Band Inset
SBWD Search Band Width
SFBW Sonic Filter Bandwidth
SFFC Sonic Filter Center Frequency, kHz
SIG_END1 Signal End Time Receiver 1
SIG_END2 Signal End Time Receiver 2
SIG_END3 Signal End Time Receiver 3
SIG_END4 Signal End Time Receiver 4
SIG_START1 Signal Start Time Receiver 1
SIG_START2 Signal Start Time Receiver 2
SIG_START3 Signal Start Time Receiver 3
SIG_START4 Signal Start Time Receiver 4
SIGE Waveform Signal End Time
SIGM Waveform Signal Move Out
SIGST Waveform Signal Start Time
SPSO_LWD Sonic Porosity Source Logging While Drilling
STIK ISONIC Tick Channel
STKS Time Step At Which Waveforms Are Stacked
SWD_PR_SEL Sonic Processing Option
TPDE Tie-Point Depth (Measured Depth)
TPT2 Tie-Point Time (2-Way Seismic Time)
TRANS_LOSS Any Transmission Loss
WAVELET_PHASE Geogram Wavelet Phase
WAVELET_TP Geogram Wavelet Type
WIN_STEP Move Out Window Step
WLT_SAMP_RATE Wavelet Sampling Rate
WPRO Waveform Processing Required?
WXIP Receiver Number Ignored During Processing


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