ACQUISITION REPORT Sequence-0015
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A2448A015
  Preplot G01A2448
  Direction 198.0°
  SOL Date 18:23:50utc 24-Oct-2001
  EOL Date 21:19:41utc 24-Oct-2001
 Attributes:  
   Wind Force 12.0 [knots] Dir WSW
   Swell Height 0.5 [meters] Dir SW
   Propellor rpm 122 [avg]  
   Propellor pitch 97 [avg]  
       
  SOL EOL  
   Waterdepth 18.6 49.0 [meters]
   Bottomspeed  4.7 4.7 [knots]
   Featherangle sb +3.6 port -2.6 [deg]
   Cable noise 5.2 4.9 [µBar rms]
   Lowcut filter 3 3 [hz]
   Filter slope 18 18 [dB]
   Port Volume 3542 3542  
   Stbd Volume 3542 3542  

Source Configuration
Source Position Inline Crossline Nominal Nom. Vol. Subarray Gun
Number   Offset [m] Offset [m] Depth [m] [inch ³] Count Count
1 STBD -345.0 25.0 -6.0 3542.0 3 24
2 PORT -345.0 -25.0 -6.0 3542.0 3 24

Streamer Configuration
Streamer Position Inline Crossline Nominal Length Type Group Channel Front-Tail
Number   Offset [m] Offset [m] Depth [m] [m]   Interval [m] Count  
1 STBD -520.0 350.0 -7.0 4600 Nessie-3 12.5 368 0001-0368
2 STBD -520.0 250.0 -7.0 4600 Nessie-3 12.5 368 0369-0736
3 STBD -520.0 150.0 -7.0 4600 Nessie-3 12.5 368 0737-1104
4 STBD -520.0 50.0 -7.0 4600 Nessie-3 12.5 368 1105-1472
5 PORT -520.0 -50.0 -7.0 4600 Nessie-3 12.5 368 1473-1840
6 PORT -520.0 -150.0 -7.0 4600 Nessie-3 12.5 368 1841-2208
7 PORT -520.0 -250.0 -7.0 4600 Nessie-3 12.5 368 2209-2576
8 PORT -520.0 -350.0 -7.0 4600 Nessie-3 12.5 368 2577-2944

Recording Configuration
Channel Descr. Recording Data RecLen Sample Chan Chan # Chan Chan # Filter
Set   Format Reduction [ss ¹] Int. [ms] In In Out Out Delay [ms]
1 NFH SEGD 8015, Rev.2 NONE 6.0 2.0 0001 0001-0001 0001 0001 - 0001 0.00
2 NFH SEGD 8015, Rev.2 NONE 6.0 0.25 0036 0001-0036 0036 0001 - 0036 0.00
3 NFH SEGD 8015, Rev.2 NONE 6.0 0.25 0036 0001-0036 0036 0001 - 0036 0.00
4 NFH SEGD 8015, Rev.2 NONE 6.0 0.25 0001 0001-0001 0001 0001 - 0001 0.00
5 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 0001-0368 0368 0001 - 0368 5.60
6 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 0369-0736 0368 0369 - 0736 5.60
7 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 0737-1104 0368 0737 - 1104 5.60
8 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 1105-1472 0368 1105 - 1472 5.60
9 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 1473-1840 0368 1473 - 1840 5.60
10 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 1841-2208 0368 1841 - 2208 5.60
11 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 2209-2576 0368 2209 - 2576 5.60
12 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 2577-2944 0368 2577 - 2944 5.60

Production
  Shotpoint File Time [utc]
   SOL Noise Record(s)   3609 - 3608  
   SOL Dummy Record(s) 3607 - 3598 3607 - 3598 18:22:34 - 18:23:42
   FSP Start of Line 3597 3597 18:23:50
   MSP      
   LSP End of Line 2228 2228 21:19:41
   EOL Dummy Record(s)      
   EOL Noise Record(s)   2227 - 2226  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    3597 - 2260 3597 - 2260 18:23:50-21:15:27 Prime 16 Valid  
    2259 - 2228 2259 - 2228 21:15:35-21:19:41 Prime 16 Scratched No guns fired d/t whale sighting
 Remarks:      
   Navigation      
   Recording QC LGSP 2260 D/T WHALE SIGHTING - DEPTH/PRESSURE SENSORS ARRAY 1 GUN 6 INCORRECT READINGS d/t ULTRABOX FAULT. String Pressure from Manifold in spec. Filter delay 5.6ms. Frontsheet Set 1. Gundepth calibrated at atmospheric pressure 1004mB, pressure now 1008mB. Str 8 Bird 1 mask on External Header, constantly deep, 8.1m.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  3609 - 3180 3609 - 3180 1 66  
  3179 - 2750 3179 - 2750 2 67  
  2749 - 2320 2749 - 2320 1 68  
  2319 - 2227 2319 - 2227 2 69  
Stream 2
   Shot(s) Files Deck Reel Remark
  3609 - 3180 3609 - 3180 3 66  
  3179 - 2750 3179 - 2750 4 67  
  2749 - 2320 2749 - 2320 3 68  
  2319 - 2227 2319 - 2227 4 69  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1191 Killed traces  
ALL     ALL 1948 Killed traces  
ALL     ALL 2764 Killed traces  
ALL     ALL 2806 Killed traces  
ALL     ALL 304, 1127, 2775 Noisy traces  
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 4-5, 9, 369-371, 373, 737-738, 740-745, 747-749, 751, 1105-1113, 1126, 1130, 1473, 2210 Slope alarm > 5% of total line
3568-3559     3568-3559 NONE Bird depth out of spec Bird C1-1
3544     3544 NONE Bird depth out of spec Bird C1-2
3528     3528 NONE Bird depth out of spec Bird C2-2
3527     3527 NONE Bird depth out of spec Bird C7-1
3522     3522 NONE Bird depth out of spec Bird C7-1
3393     3393 NONE Bird depth out of spec Bird C1-1
3391     3391 NONE Bird depth out of spec Bird C1-1
3351     3351 NONE Bird depth out of spec Bird C7-1
3343     3343 NONE Bird depth out of spec Bird C7-1
3326     3326 NONE Bird depth out of spec Bird C7-1
3321     3321 NONE Bird depth out of spec Bird C7-1
3177-3166     3177-3166 NONE Bird depth out of spec Bird C1-1
3164-3163     3164-3163 NONE Bird depth out of spec Bird C1-1
2988-2977     2988-2977 NONE Bird depth out of spec Bird C7-3
2939     2939 NONE Bird depth out of spec Bird C4-2
2675     2675 NONE Bird depth out of spec Bird C6-15
2661     2661 NONE Bird depth out of spec Bird C7-1
2629     2629 NONE Bird depth out of spec Bird C7-1
2622     2622 NONE Bird depth out of spec Bird C7-1
2620     2620 NONE Bird depth out of spec Bird C7-1
2618-2616     2618-2616 NONE Bird depth out of spec Bird C7-1
2611     2611 NONE Bird depth out of spec Bird C7-1
2607     2607 NONE Bird depth out of spec Bird C7-1
2605     2605 NONE Bird depth out of spec Bird C7-1
2591     2591 NONE Bird depth out of spec Bird C7-1
2575     2575 NONE Bird depth out of spec Bird C7-1
2537-2536     2537-2536 NONE Bird depth out of spec Bird C7-1
2532     2532 NONE Bird depth out of spec Bird C7-1
2510     2510 NONE Bird depth out of spec Bird C7-1
2480     2480 NONE Bird depth out of spec Bird C7-1
2476     2476 NONE Bird depth out of spec Bird C7-1
2466     2466 NONE Bird depth out of spec Bird C7-1
2464     2464 NONE Bird depth out of spec Bird C7-1
2462-2460     2462-2460 NONE Bird depth out of spec Bird C7-1
2456-2452     2456-2452 NONE Bird depth out of spec Bird C7-1
2449-2448     2449-2448 NONE Bird depth out of spec Bird C7-1
2434     2434 NONE Bird depth out of spec Bird C8-2
2372     2372 NONE Bird depth out of spec Bird C7-1
2370     2370 NONE Bird depth out of spec Bird C7-1
2366     2366 NONE Bird depth out of spec Bird C7-1
2341-2340     2341-2340 NONE Bird depth out of spec Bird C7-1
2325     2325 NONE Bird depth out of spec Bird C7-1
2305     2305 NONE Bird depth out of spec Bird C7-1
2241-2240     2241-2240 NONE Bird depth out of spec Bird C7-3
Comment
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL ALL   NFH 1.4 using GSAP reference


 List of used abbreviations:
     SOL/EOL  Start/End of line. 
     FSP/LSP  First/Last shotpoint of the line. 
     FCSP/LCSP  First/Last chargeable shotpoint
     MSP  Midnight (last) shotpoint of the day
     FGSP/LGSP  First/Last Good Shotpoint
     FOSP/LOSP  First/Last Overlap Shotpoint
     FSP/LSP R/O  First/Last Shotpoint Runout
   
     Deg  Degrees: e[0,360]
     rev  Revolutions
     utc  Universal Time Coordinated
     SPs  Shotpoints
     CMPs  Common midpoints
     NTBP  Not to be processed
     SI  Seismic interference
TRILOGY INFORMATION MANAGER - ACQUISITION REPORT - GENERATED 21:19:57utc 24-Oct-2001