ACQUISITION REPORT Sequence-0007
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A2512A007
  Preplot G01A2512
  Direction 198.0°
  SOL Date 13:40:46utc 22-Oct-2001
  EOL Date 17:44:25utc 22-Oct-2001
 Attributes:  
   Wind Force 15.0 [knots] Dir ENE
   Swell Height 1.5 [meters] Dir ENE
   Propellor rpm 122 [avg]  
   Propellor pitch 99 [avg]  
       
  SOL EOL  
   Waterdepth 41.0 53.0 [meters]
   Bottomspeed  4.7 5.1 [knots]
   Featherangle port -1.8 sb +3.6 [deg]
   Cable noise 5.02 5.7 [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)   3671 - 3670  
   SOL Dummy Record(s) 3669 - 3640 3669 - 3640 13:36:56 - 13:40:39
   FSP Start of Line 3639 3639 13:40:46
   MSP      
   LSP End of Line 1629 1629 17:44:25
   EOL Dummy Record(s)      
   EOL Noise Record(s)   1628 - 1628  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    3639 - 1629 3639 - 1629 13:40:46-17:44:25 Prime 16 Valid  
 Remarks:      
   Navigation Streamers depth 7.0 m, STB Guns firing on ODD SP    
   Recording QC Filter delay 5.6ms. Frontsheet Set 1. Bird 8-1 constantly deep, 8.1-8.4m. Gundepth calibrated at atmospheric preassure 1004mB, preassure now 1017mb. Str 8 Bird 1 mask on External Header.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  3671 - 3242 3671 - 3242 2 26  
  3241 - 2812 3241 - 2812 1 27  
  2811 - 2382 2811 - 2382 2 28  
  2381 - 1952 2381 - 1952 1 29  
  1951 - 1628 1951 - 1628 2 30  
Stream 2
   Shot(s) Files Deck Reel Remark
  3671 - 3242 3671 - 3242 4 26  
  3241 - 2812 3241 - 2812 3 27  
  2811 - 2382 2811 - 2382 4 28  
  2381 - 1952 2381 - 1952 3 29  
  1951 - 1628 1951 - 1628 4 30  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1948 Killed traces  
ALL     ALL 1191, 2764, 2806 Weak Trace(s) Trace signal less than -3dB of nominal value
ALL     ALL 304, 1127, 2775 Noisy Trace(s)  
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1, 3-7, 9, 369-374, 377, 737-745, 748, 1105-1113, 2209-2210 Slope alarm > 5% of total line
ALL     ALL 2577-2584 Bird depth out of spec Bird C8-1 deep 7.5-8.5m
3374     3374 1321-1337 Bird depth out of spec Bird C4-11
2736-2724     2736-2724 417-433 Bird depth out of spec Bird C2-4
2716     2716 393-409 Bird depth out of spec Bird C2-3
2714-2701     2714-2701 393-409 Bird depth out of spec Bird C2-3
2714-2700     2714-2700 417-433 Bird depth out of spec Bird C2-4
2696-2691     2696-2691 49-65 Bird depth out of spec Bird C1-4
2658-2649     2658-2649 393-409 Bird depth out of spec Bird C2-3
2649-2644     2649-2644 49-65 Bird depth out of spec Bird C1-4
2623     2623 2233-2249 Bird depth out of spec Bird C7-3
2612     2612 393-409 Bird depth out of spec Bird C2-3
2611     2611 ALL Gun timing error Gun 3-2 error (ms) : -1.7
2610-2604     2610-2604 393-409 Bird depth out of spec Bird C2-3
2610-2601     2610-2601 417-433 Bird depth out of spec Bird C2-4
2569-2560     2569-2560 417-433 Bird depth out of spec Bird C2-4
2535-2526     2535-2526 393-409 Bird depth out of spec Bird C2-3
2447-2441     2447-2441 49-65 Bird depth out of spec Bird C1-4
2446-2431     2446-2431 73-89 Bird depth out of spec Bird C1-5
2435     2435 49-65 Bird depth out of spec Bird C1-4
2333     2333 393-409 Bird depth out of spec Bird C2-3
2326-2324     2326-2324 49-65 Bird depth out of spec Bird C1-4
2321     2321 1321-1337 Bird depth out of spec Bird C4-11
2312-2311     2312-2311 49-65 Bird depth out of spec Bird C1-4
2309     2309 49-65 Bird depth out of spec Bird C1-4
2272-2271     2272-2271 49-65 Bird depth out of spec Bird C1-4
2269-2265     2269-2265 49-65 Bird depth out of spec Bird C1-4
2245-2240     2245-2240 49-65 Bird depth out of spec Bird C1-4
2203     2203 49-65 Bird depth out of spec Bird C1-4
2200-2187     2200-2187 417-433 Bird depth out of spec Bird C2-4
2188-2171     2188-2171 49-65 Bird depth out of spec Bird C1-4
2165-2164     2165-2164 73-89 Bird depth out of spec Bird C1-5
2123     2123 49-65 Bird depth out of spec Bird C1-4
2120-2119     2120-2119 49-65 Bird depth out of spec Bird C1-4
2065-2050     2065-2050 49-65 Bird depth out of spec Bird C1-4
1995-1981     1995-1981 49-65 Bird depth out of spec Bird C1-4
Comment
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL NONE NFH NFH 1.4 using GSAP reference
2741-2734     2741-2734 409-420 Monowing wash Low frequency, high amplitude noise due to monowing wash. 10-30µB
2729-2715     2729-2715 409-427 Monowing wash Low frequency, high amplitude noise due to monowing wash. 10-30µB


 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 20:04:11utc 22-Oct-2001