SpectrumData SegyProc V2.06 - Fri Aug 20 08:53:37 2010 Report File: INLINE-6990-9072_XLINE-459-3885_PRODUCTION_PSDM-HYBRID_MIGRATION_FAR_STACK.CHK Operation: Segy cartridge Summary Source: 0, FILESEGY, INLINE-6990-9072_XLINE-459-3885_PRODUCTION_PSDM-HYBRID_MIGRATION_FAR_STACK.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) -------------------- C01 CLIENT : SANTOS LIMITED C02 INLINES : 6990 - 9072 CROSSLINES : 459 - 3885 C03 AREA : VIC/P51-52 3D, VICTORIA AUSTRALIA C04 DATA-SET :PRODUCTION PSDM/HYBRID MIGRATION FAR STACK C05 (WITH TIME-VARIANT FILTER/ZERO-PHASE FILTER/SSD) C06 ACQ PREFIX : OS02 PROCESSED DATE : MARCH 2003 C07 SHOT/RCV INTERVAL : 18.75/12.5 NO. OF GUNS/CABLES : 02/06 C08 CABLE LENGTH : 4800 RCVS PER CABLE : 368 C09 GUN SEPARATION : 50 M CABLE SEPARATION : 100 M C10 FAR PORT SOURCE NO. : 2 FAR STARBOARD SOURCE NO : 1 C11 FAR PORT CABLE NO. : 8 FAR STARBOARD CABLE NO : 1 C12 MIN OFFSET : 153 M MAX OFFSET : 4881 M C13 SPHEROID OF REF : WGS84 UTM ZONE : 54 S C14 COORDINATE UNITS : METRES PROCESSED DATUM : MSL C15 BINNING ORIGIN (E,N) : (539551.5796, 5697925.2261) C16 BINNING ORIGIN (XLINE,INLINE) : (1,951) XLINE/INLINE INT: 25/25 C17 GRID MIN/MAX XLINE: 1/9999 GRID MIN/MAX INLINE: 951/2950 C18 ROTATION ANGLE : -32.11 (DEGR)(CLOCKWISE=POSITIVE) C19 SAMPLE RATE (uS) : 4000 MAX TIME (MS) : 6500 C20 C21 C22 PROCESSING HISTORY C23 REFORMAT; TRACE EDITS; INSTRUMENT DEPHASE(MIN PHASE); C24 LCUT FIL 3/18 DB/OCT(ZERO PH); SPHDIV (V SQ T) WITH ONE REGIONAL FUNC VEL; C25 SWELL NOISE ATTENUATION(2PASS); RESAMP TO 4MS WITH ZPH 100HZ AAFIL; C26 HRLIN (HIGH RESOLUTION LINEAR RADON TRANSFORM)2100m/s; EXPONENITAL GAIN; C27 VELOCITY ANALYSIS (1 KM WITH MILD RADON)/REMOVE SPHDIV & REAPPLIED C28 TAU-P DECON (32MS GAP, TOTAL OPER 300MS);ON WDEPTH LESS THAN 300 MS, C29 RAMP TO WDEPTH 400 MS / NO DECON FOR DEEPER THAN 400 MS C30 ADJACENT TRACE SUM (368 TO 184 CHANS); NAV & SEIS RE-MERGE (12.5X25M GRID); C31 HRMULT (MULTIPLE ATTENUTAION BY HIGH RESOLUTION RADON TRANSFORM 300 MS CUT); C32 TIDAL STATIC CORRECTIONS; 3D BINNING (12.5X12.5M GRID); FLOOD; C33 SCALEMULT/FREESURF; FOOTPRINT REMOVAL;PSDM/HYBRID MIGRATION C34 VELOCITY ANALYSIS(0.25M X 0.25M GRID); C35 REVERSE MIGRATION VELOCITY; EXPONENTIAL GAIN C36 NMO WITH INTERPOLATED RESIDUAL VELOCITY; C37 FAR OFFSET STACK (1/N NORMALISATION); C38 TIME VARIANT FILTER; ZERO PHASE FILTER C39 SOURCE AND CABLE CORRECTION - TIME SHIFT 8 MS C40 BINARY HEADER ------------- Job ID: 1 Line Number: 0 Reel Number: 1 Traces 1 (Data) 0 (Auxiliary) Sample Interval 4000 (Reel) 4000 (Original) (in microsecs) Samples/Trace 1626 (Reel) 1626 (Original) Format Code: 1 CDP Fold: 001 Sorting: 4 Vert.Sum: 1 Computed Trace Size is 6744 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 6984 1475 0 1357 0 1 0 6744 554454 5689784 2 2 2 6984 1476 0 1359 0 1 0 6744 554475 5689771 3 3 3 6984 1477 0 1361 0 1 0 6744 554496 5689758 4 4 4 6984 1479 0 1363 0 1 0 6744 554517 5689745 5 5 5 6984 1480 0 1365 0 1 0 6744 554538 5689731 6 6 6 6984 1481 0 1367 0 1 0 6744 554560 5689718 7 7 7 6984 1483 0 1369 0 1 0 6744 554581 5689705 8 8 8 6984 1484 0 1371 0 1 0 6744 554602 5689691 9 9 9 6984 1485 0 1373 0 1 0 6744 554623 5689678 10 10 10 6984 1487 0 1375 0 1 0 6744 554644 5689665 ...skipped ...skip -1 traces 10 ****** 413813 9072 1639 0 1603 0 1 0 6744 570932 5710257 ...skipped 11 ****** 413814 9072 1640 0 1605 0 1 0 6744 570953 5710244 ------------------------------------------------------------------------------------------------ File Summary: File Blocks Total Size Min Blk. Max Blk. 1 13 77,784 400 6744 ------------------------------------------------------------------------------------------------ *** Total size above is computed assuming a constant trace size Started at: Fri Aug 20 08:53:37 2010 Ended at: Fri Aug 20 08:53:37 2010 Elapsed time: 0 sec Total Files/Blocks: 1 / 14 Total Size: 82 KB Throughput: -1 MB/min (adjusted -1 MB/min) FFID Range: 1475:1477,1479:1481,1483:1485,1487,1639:1640 CDP Range: 1357,1359,1361,1363,1365,1367,1369,1371,1373,1375,1603,1605 SP Range: 6984,9072 X Range: 554454 to 570953 Y Range: 5689665 to 5710257