SpectrumData SegyProc V1.70 - Tue Jul 01 13:10:58 2008 Report File: KG05-03_SP_0101-0771_CDP_0004-1300_FILTERED-SCALED_MIGRATION.CHK Operation: Segy cartridge Summary Source: 0, FILESEGY, KG05-03_SP_0101-0771_CDP_0004-1300_FILTERED-SCALED_MIGRATION.SGY O/S: Windows NT/2000/XP (supports 0K buffer) O/S: Windows NT/2000/XP (supports 1MB buffer) Read Mode: Variable (Slow) Buffer size: 1040384 File: 1 EBCDIC HEADER (SEGY) -------------------- C 1 CLIENT: KAROON GAS C 2 LINE KG05-03 AREA GIPPSLAND BASIN C 3 SURVEY: KG05 KORUMBURRA 2D C 4 DATA: FILTERED/SCALED MIGRATION C 5 C 6 DATA LENGTH: 5000 MS AT 2 MS C 7 PROCESSED BY: WESTERNGECO MELBOURNE. DATE: FEBRUARY 2006 C 8 C 9 SHOTPOINT AT MIDPOINT LOCATION STORED IN BYTES 17-20 C10 C11 PROCESSING SEQUENCE: C12 CONVERSION: SEGY TO WG OMEGA FORMAT, PROCESSING SAMPLE RATE 2 MS C13 MINIMUM PHASE CONVERSION C14 EXPONENTIAL GAIN: 4dB to 2.5sec + T1 GAIN C15 SWATT (DESPIKE) IN OFFSET DOMAIN (2 PASSES) C16 SHOT DOMAIN F-K FILTER AFTER NMO: +/-4000M/S (COSINE SQUARED TAPER) C17 FIRST PASS VELOCITY ANALYSES (1KM INTERVAL) C18 EGRM REFRACTION STATICS: REPLACEMENT VELOCITY 2000M/S C19 SECOND PASS VELOCITY ANALYSES (1KM INTERVAL) C20 SURFACE CONSISTENT RESIDUAL STATICS C21 SURFACE CONSISTENT DECONVOLUTION: 2MS GAP 200MS OPERATOR C22 DIP MOVEOUT (DMO): 60 DEGREES MAXIMUM DIPS C23 THIRD PASS VELOCITY ANALYSES (500M INTERVAL) C24 RADON DEMULTIPLE: RADON VEL MUTE 10-90% OF STACKING VELOCITIES C25 NMO C26 AGC 500 MS (250MS FROM 0-500MS) C27 CMP MEAN DATUM STATICS CORRECTIONS C28 TRIM STATICS C29 MUTE / STACK C30 KIRCHHOFF MIGRATION: USING 100% SMOOTHED STACKING VELOCITIES C31 TAU-P FILTER: +/-3MS/TR (50% MIXBACK OF UNFILTERED DATA) C32 TIME VARIANT FILTER C33 AGC: EXPANDING WINDOWS 250-1500MS C34 RESAMPLE FROM 2MS TO 4MS C35 C36 4 BYTES STORAGE: C37 81 XCORD CELL CENTER, 85 YCORD CELL CENTER C38 181 STATION-MIDPT, 189 ELEV-MIDPT, 193 CMP-DATCOR, C39 197 REFRAC-SHOT, 201 REFRAC-RECV, 205 RESID-SHOT, 209 RESID-RECV C40 END EBCDIC BINARY HEADER ------------- Job ID: 0 Line Number: 3 Reel Number: 0 Traces 1303 (Data) 0 (Auxiliary) Sample Interval 4000 (Reel) 0 (Original) (in microsecs) Samples/Trace 1376 (Reel) 0 (Original) Format Code: 1 CDP Fold: 1303 Sorting: 4 Vert.Sum: 1303 Computed Trace Size is 5744 bytes TRACE DETAILS ------------- Tr.No. Tr.No. SP FFID Tr.No CDP No. Tr.No. Trace Prod. Rec. X Y Line Reel Orig. CDP Type /Test Len. In 1- 4 5- 8 17-20 9-12 13-16 21-24 25-28 29-30 35-36 73-76 77-80 ------------------------------------------------------------------------------------------------ 1 1 1 101 89 1 4 1 1 1 5744 400555 5771034 2 2 2 102 89 1 5 2 1 1 5744 400555 5771028 3 3 3 102 89 1 6 3 1 1 5744 400554 5771022 4 4 4 103 89 1 7 4 1 1 5744 400553 5771016 5 5 5 103 89 1 8 5 1 1 5744 400553 5771010 6 6 6 104 89 1 9 6 1 1 5744 400552 5771004 7 7 7 104 89 1 10 7 1 1 5744 400551 5770998 8 8 8 105 89 1 11 8 1 1 5744 400551 5770992 9 9 9 105 89 1 12 9 1 1 5744 400550 5770986 10 10 10 106 89 1 13 10 1 1 5744 400549 5770980 ...skipped ...skip -1 traces 10 1296 1296 771 142 1 1299 1296 1 1 5744 400470 5763431 ...skipped 11 1297 1297 771 143 1 1300 1297 1 1 5744 400474 5763426 ------------------------------------------------------------------------------------------------ File Summary: File Blocks Total Size Min Blk. Max Blk. 1 13 66,784 400 5744 ------------------------------------------------------------------------------------------------ *** Total size above is computed assuming a constant trace size Started at: Tue Jul 01 13:10:58 2008 Ended at: Tue Jul 01 13:10:59 2008 Elapsed time: 1 sec Total Files/Blocks: 1 / 14 Total Size: 70 KB Throughput: 0 MB/min (adjusted 0 MB/min) FFID Range: 10089*,10142:10143 CDP Range: 4:13,1299:1300 SP Range: 101:102,103*,104*,105*,106,771