-Input SEGZ format name = 00000007.fmt SEGZ Version number = V1 SEGZ Header 0 NAME LENGTH Description SEGZ Header 1 TEXTUAL-HEADER 3200 SEGY Rev(0) Default length of character line header (bytes) SEGZ Header 2 FILE-HEADER 400 Length of binary line header (bytes) SEGZ Header 3 TRACE-HEADER 240 Length of trace header (bytes) SEGZ Header 4 TRACE_SAMP_FORMAT IBM4 Format 1 in the binary header over rides the value in binary header SEGZ Header 5 ENDIANESS LITTLE Little for PC FILE Header 0 NAME BYTE TYPE VECTOR SCALAR ADDEND Description FILE Header 1 JOB 1 INT4 1 1 0 Job Identification number FILE Header 2 REEL 9 INT4 1 1 0 Reel Number FILE Header 3 N_DATA 13 INT2 1 1 0 Number of data traces per record FILE Header 4 N_AUX 15 INT2 1 1 0 Number of Auxiliary Traces per File FILE Header 5 FILE_SAMP_RATE 17 INT2 1 1 0 Sample Interval FILE Header 6 FILE_SAMP_NUM 21 INT2 1 1 0 Number of data samples per trace or the maximum number of Samples FILE Header 7 TRACE_SAMP_FORMAT 25 INT2 1 1 0 Data sample format code 1=IBM floating point FILE Header 8 CDP_FOLD 27 INT2 1 1 0 Expected CDP fold FILE Header 9 NUM_COMPOSITES 31 INT2 1 1 0 Number of Composites ARAM FILE Header 10 FH_SWEEP_START 33 INT2 1 1 0 Sweep Frequency at start FILE Header 11 FH_SWEEP_END 35 INT2 1 1 0 End sweep Frequency FILE Header 12 FH_SWEEP_LENGTH 37 INT2 1 1 0 Sweep length in milliseconds FILE Header 13 FH_SWEEP_TYPE 39 INT2 1 1 0 0=n/a 1-linear 2 = parabolic 3=exponential 4 = other FILE Header 14 FH_SWEEP_CHAN 41 INT2 1 1 0 Trace number of sweep channel FILE Header 15 FH_SWEEP_TAPER_START 43 INT2 1 1 0 Initial sweep trace taper length FILE Header 16 FH_SWEEP_TAPER_END 45 INT2 1 1 0 Final sweep trace taper length FILE Header 17 FH_SWEEP_TAPER_TYPE 47 INT2 1 1 0 Sweep taper type FILE Header 18 FH_CORRELATED 49 INT2 1 1 0 1=NOT correlated 2=correlated FILE Header 19 LENGTH_SYS 55 INT2 1 1 0 1=metres 2=feet FILE Header 20 POLARITY 57 INT2 1 1 0 1: upward geophone case movement gives a negative number in the trace FILE Header 21 VIB_POLARITY_CODE 59 INT2 1 1 0 Vibratory polarity code FILE Header 22 NUM_TRACES 61 INT2 1 1 0 Number of traces in file TRACE Header 0 NAME BYTE TYPE VECTOR SCALAR ADDEND Description TRACE Header 1 FILE_NUMBER 9 INT4 1 1 0 Original field record number TRACE Header 2 TRACE_NUMBER 13 INT4 1 1 0 ARAM Trace number within original field record ARAM TRACE Header 3 SOURCE_POINT 17 INT4 1 1 0 Energy source point number (shot peg) TRACE Header 4 TRTYPE 29 INT2 1 1 0 Trace id code 1=data 2=dead 3=dummy 4=time break 5=uphole TRACE Header 5 VERT_NSUM 31 INT2 1 1 0 No of vertically summed traces (composites) in this trace TRACE Header 6 HORI_NSUM 33 INT2 1 1 0 No of horizontally summed traces in this trace TRACE Header 7 DATA_USE 35 INT2 1 1 0 Data use. 1=production 2=test TRACE Header 8 OFFSET 37 INT4 1 1 0 Distance from source point to receiver group TRACE Header 9 SAMP_NUM 115 INT2 1 1 0 Number of samples in this trace TRACE Header 10 SAMP_RATE 117 INT2 1 1 0 Sample rate for this trace TRACE Header 11 CORRELATED 125 INT2 1 1 0 Correlated 1=no 2=yes TRACE Header 12 YEAR 157 INT2 1 1 0 Year TRACE Header 13 JULIAN_DAY 159 INT2 1 1 0 Day of the Year TRACE Header 14 HOUR 161 INT2 1 1 0 Hour of the day TRACE Header 15 MINUTE 163 INT2 1 1 0 Minute of the day TRACE Header 16 SECOND 165 INT2 1 1 0 Second of the minute TRACE Header 17 TIME_BASE 167 INT2 1 1 0 Time basis code : 1=local 2=GMT 3=other 4=UTC TRACE Header 18 RECEIVER_FLAG_NUM 181 INT4 1 1 0 ARAM receiver flag number TRACE Header 19 SOURCE_LINE_NAME 189 ASCII 14 1 0 ARAM source line name TRACE Header 20 RECEIVER_LINE_NAME 209 ASCII 14 1 0 ARAM receiver line name TRACE Header 21 SOURCE_POINT_INDEX 223 INT1 1 1 0 Source Point Index ARAM TRACE Header 22 RECEIVER_LINE_NUM 225 INT4 1 1 0 ARAM receiver line name TRACE Header 23 SOURCE_LINE_NUM 229 INT4 1 1 0 ARAM source line name TEXTUAL_HEADER = 3200 FILE_HEADER = 400 TRACE_HEADER = 240 -Input segy/segz data file = 00000007.sgy -Output 1994 CSEG SEGY file = 00000007.csgy File is LITTLE endian JOB= 300300 REEL= 0 N_DATA= 120 N_AUX= 7 FILE_SAMP_RATE= 2000 FILE_SAMP_NUM= 3001 TRACE_SAMP_FORMAT= 5 CDP_FOLD= 30 NUM_COMPOSITES= 2 FH_SWEEP_START= 10 FH_SWEEP_END= 140 FH_SWEEP_LENGTH= 12000 FH_SWEEP_TYPE= 1 FH_SWEEP_CHAN= 122 FH_SWEEP_TAPER_START= 300 FH_SWEEP_TAPER_END= 300 FH_SWEEP_TAPER_TYPE= 2 FH_CORRELATED= 2 LENGTH_SYS= 1 POLARITY= 1 VIB_POLARITY_CODE= 0 NUM_TRACES= 127 F T S T V H D O S S C Y J H M S T R S R S R S I R O R E O A F A A O E U O I E I E O E O E O L A U T R R T F M M R A L U N C M C U C U C U E C R Y T I A S P P R R I R U O E E R E R E R _ E C P _ _ _ E _ _ E A T N _ I C I C I C N _ E E N N U T N R L N E D B V E V E V E U N _ S S S U A A _ A E _ E _ E _ M U P U U E M T T D S R L R P R L B M O M M E E A E _ I _ O _ I E B I D Y F N L I L N R E N L E I N I E R T A _ N T N _ G N E _ E N _ A _ I _ U N M N N N M U E A D U M M E M E X ________|________|________|_____|_____|_____|_____|________|_____|_____|_____|_____|_____|_____|_____|_____|_____|________| _____________* _____________*__|________|________| 7 1 10224 1 2 1 1 151 3001 2000 2 2008 224 15 48 48 1 1371 125 89 1 89 125 7 2 10224 1 2 1 1 126 3001 2000 2 2008 224 15 48 48 1 1372 125 89 1 89 125 7 3 10224 1 2 1 1 101 3001 2000 2 2008 224 15 48 48 1 1373 125 89 1 89 125 7 4 10224 1 2 1 1 77 3001 2000 2 2008 224 15 48 48 1 1374 125 89 1 89 125 7 5 10224 1 2 1 1 53 3001 2000 2 2008 224 15 48 48 1 1375 125 89 1 89 125 7 6 10224 1 2 1 1 32 3001 2000 2 2008 224 15 48 48 1 1376 125 89 1 89 125 7 7 10224 1 2 1 1 20 3001 2000 2 2008 224 15 48 48 1 1377 125 89 1 89 125 7 8 10224 1 2 1 1 32 3001 2000 2 2008 224 15 48 48 1 1378 125 89 1 89 125 7 9 10224 1 2 1 1 53 3001 2000 2 2008 224 15 48 48 1 1379 125 89 1 89 125 7 10 10224 1 2 1 1 77 3001 2000 2 2008 224 15 48 48 1 1380 125 89 1 89 125 7 20 10224 1 2 1 1 325 3001 2000 2 2008 224 15 48 48 1 1390 125 89 1 89 125 7 30 10224 1 2 1 1 575 3001 2000 2 2008 224 15 48 48 1 1400 125 89 1 89 125 7 40 10224 1 2 1 1 328 3001 2000 2 2008 224 15 48 48 1 1380 125 91 1 91 125 7 50 10224 1 2 1 1 456 3001 2000 2 2008 224 15 48 48 1 1390 125 91 1 91 125 7 60 10224 1 2 1 1 658 3001 2000 2 2008 224 15 48 48 1 1400 125 91 1 91 125 7 70 10224 1 2 1 1 624 3001 2000 2 2008 224 15 48 48 1 1380 125 93 1 93 125 7 80 10224 1 2 1 1 700 3001 2000 2 2008 224 15 48 48 1 1390 125 93 1 93 125 7 90 10224 1 2 1 1 845 3001 2000 2 2008 224 15 48 48 1 1400 125 93 1 93 125 7 100 10224 1 2 1 1 923 3001 2000 2 2008 224 15 48 48 1 1380 125 95 1 95 125 7 127 10224 0 2 1 1 0 3001 2000 2 2008 224 15 48 48 1 7 125 WRF2 1100003600 125 End of File 00000007.sgy -fini