ACQUISITION REPORT Sequence-0059
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A3184A059
  Preplot G01A3184
  Direction 18.0°
  SOL Date 02:49:59utc 16-Nov-2001
  EOL Date 07:26:57utc 16-Nov-2001
 Attributes:  
   Wind Force 12.0 [knots] Dir NE
   Swell Height 1.0 [meters] Dir SSW
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 61.0 53.0 [meters]
   Bottomspeed  4.08 4.2 [knots]
   Featherangle port -5.1 sb +0.8 [deg]
   Cable noise 5.42 12.12 [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)   1608 - 1609  
   SOL Dummy Record(s) 1610 - 1619 1610 - 1619 02:48:30 - 02:49:50
   FSP Start of Line 1620 1620 02:49:59
   MSP      
   LSP End of Line 3540 3540 07:26:57
   EOL Dummy Record(s)      
   EOL Noise Record(s)   4125 - 4126  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    1620 - 2500 1620 - 2500 02:49:59-04:59:31 Prime 16 Valid LGSP 2500 d/t swell noise
    2501 - 3134 2501 - 3134 04:59:39-06:29:27 Unknown 0 Scratched d/t swell noise
    3135 - 3540 3135 - 3540 06:29:36-07:26:57 Unknown 0 Scratched d/t whales sighting
 Remarks:      
   Navigation Streamer depth at 7.0m    
   Recording QC Filter delay 5.6ms. Frontsheet Set 3. Gundepth calibrated at atmospheric pressure 1004mB, pressure now 1025mB. Str 8 Bird 1 mask on External Header, occasionally deep, 8.1m. Str 7 Bird 1 occasionally deep, 8.1m. LGSP # 2500, due to whales, Last recorded Shotpoint # 3540.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  1608 - 2037 1608 - 2037 1 235  
  2038 - 2467 2038 - 2467 1 236  
  2468 - 2897 2468 - 2897 1 237  
  2898 - 4126 2898 - 4126 1 238  
Stream 2
   Shot(s) Files Deck Reel Remark
  1608 - 2037 1608 - 2037 3 235  
  2038 - 2467 2038 - 2467 4 236  
  2468 - 2897 2468 - 2897 3 237  
  2898 - 4126 2898 - 4126 4 238  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 304, 1127, 1495 Noisy Trace(s)  
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2301 Fails Crossfeed test  
ALL     ALL 1191, 1948 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL 4-7, 9, 12, 369-373, 377, 737-742, 744-745, 748, 1105-1113, 1841, 2210 Slope alarm > 5% of total line
1633     1633 NONE Bird depth out of spec Bird C6-2
1635-1641     1635-1641 NONE Bird depth out of spec Bird C6-3
1655     1655 NONE Bird depth out of spec Bird C6-2
2014     2014 NONE Bird depth out of spec Bird C6-1
2058     2058 NONE Bird depth out of spec Bird C6-3
2070-2071     2070-2071 NONE Bird depth out of spec Bird C6-3
2148     2148 NONE Bird depth out of spec Bird C6-2
2210     2210 NONE Bird depth out of spec Bird C6-17
2232     2232 ALL Swell Noise Occasional bursts of swell < 5% seen on records.
2326-2328     2326-2328 NONE Bird depth out of spec Bird C7-2
2333     2333 NONE Bird depth out of spec Bird C7-2
2336-2338     2336-2338 NONE Bird depth out of spec Bird C6-3
2341-2342     2341-2342 NONE Bird depth out of spec Bird C6-3
2373     2373 NONE Bird depth out of spec Bird C7-2
2382-2384     2382-2384 NONE Bird depth out of spec Bird C6-3
2385     2385 NONE Bird depth out of spec Bird C7-2
2387     2387 NONE Bird depth out of spec Bird C6-3
2390     2390 NONE Bird depth out of spec Bird C6-1
2390-2391     2390-2391 NONE Bird depth out of spec Bird C8-2
2391-2392     2391-2392 NONE Bird depth out of spec Bird C6-3
2401     2401 NONE Bird depth out of spec Bird C6-3
2404     2404 NONE Bird depth out of spec Bird C6-3
2452     2452 NONE Bird depth out of spec Bird C6-2
2473     2473 ALL Streamer noise Low frequency noise dt swell approx 10µB
3138-3535       ALL Missing File Files not recorded by recording system
Comment
Shot(s)     File(s) Trace(s) Type Remark
2500     2500 ALL LGSP Last Good Shotpoint.
3135-3540     3135-3540 ALL Gun disabled All Guns disabled d/t whales
3540     3540 ALL LRSP Last recorded Shotpoint on tape


 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 08:32:46utc 16-Nov-2001