ACQUISITION REPORT Sequence-0021
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A2560A021
  Preplot G01A2560
  Direction 198.0°
  SOL Date 04:33:17utc 26-Oct-2001
  EOL Date 09:06:28utc 26-Oct-2001
 Attributes:  
   Wind Force 12.0 [knots] Dir S
   Swell Height 1.0 [meters] Dir NE
   Propellor rpm 122 [avg]  
   Propellor pitch 97 [avg]  
       
  SOL EOL  
   Waterdepth 43.0 53.0 [meters]
   Bottomspeed  4.3 4.4 [knots]
   Featherangle port -6.6 port -2.7 [deg]
   Cable noise 5.62 6.06 [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)      
   SOL Dummy Record(s) 3681 - 3672 3681 - 3672 04:31:52 - 04:33:08
   FSP Start of Line 3671 3671 04:33:17
   MSP      
   LSP End of Line 1672 1672 09:06:28
   EOL Dummy Record(s)      
   EOL Noise Record(s)   1671 - 1670  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    3671 - 1672 3671 - 1672 04:33:17-09:06:28 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth at 7.0m    
   Recording QC MANIFOLD SENSOR MISREADING ARRAY 2 (ARRAY PRESSURE GOOD) Filter delay 5.6ms. Frontsheet Set 1. Gundepth calibrated at atmospheric pressure 1004mB, pressure now 1005mB. Str 7 & 8 Bird 1 mask on External Header, constantly deep, 8.1m. Str 8 Bird 1 mask on External Header, constantly deep, 8.1m.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  3683 - 3254 3683 - 3254 1 88  
  3253 - 2824 3253 - 2824 2 89  
  2823 - 2394 2823 - 2394 1 90  
  2393 - 1964 2393 - 1964 2 91  
  1963 - 1670 1963 - 1670 1 92  
Stream 2
   Shot(s) Files Deck Reel Remark
  3683 - 3254 3683 - 3254 3 88  
  3253 - 2824 3253 - 2824 4 89  
  2823 - 2394 2823 - 2394 3 90  
  2393 - 1964 2393 - 1964 4 91  
  1963 - 1670 1963 - 1670 3 92  

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 Trace(s)  
3317     3317 2879 Spiking Trace(s)  
2657     2657 ALL Gun timing error Gun 2-2 error (ms) : -2.2
2459     2459 2371 Spiking Trace(s)  
1933     1933 ALL Gun timing error Gun 1-6 error (ms) : 12.4
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2301 Fails cross-feed test  
ALL     ALL 9, 369-371, 737-742, 744-745, 748, 1105-1110, 1112-1113, 1473, 1841-1843, 2209-2210 Slope alarm > 5% of total line
3653     3653 NONE Bird depth out of spec Bird C1-2
3530     3530 NONE Bird depth out of spec Bird C1-5
3528-3526     3528-3526 NONE Bird depth out of spec Bird C1-5
3426     3426 NONE Bird depth out of spec Bird C2-5
3310     3310 NONE Bird depth out of spec Bird C6-3
3280     3280 NONE Bird depth out of spec Bird C1-2
3206     3206 NONE Bird depth out of spec Bird C1-2
3181-3180     3181-3180 NONE Bird depth out of spec Bird C4-11
3171-3165     3171-3165 NONE Bird depth out of spec Bird C6-3
3122     3122 NONE Bird depth out of spec Bird C1-2
3075     3075 NONE Bird depth out of spec Bird C6-3
3073     3073 NONE Bird depth out of spec Bird C6-3
3071     3071 NONE Bird depth out of spec Bird C6-3
2949     2949 ALL Gun timing error Gun 2-2 error (ms) : -1.7
2867     2867 ALL Gun timing error Gun 2-2 error (ms) : -1.7
2780     2780 NONE Bird depth out of spec Bird C1-2
2690     2690 NONE Bird depth out of spec Bird C1-2
2634     2634 NONE Bird depth out of spec Bird C5-1
2581     2581 NONE Bird depth out of spec Bird C1-2
2274     2274 NONE Bird depth out of spec Bird C1-2
2053     2053 NONE Bird depth out of spec Bird C7-2
1867     1867 NONE Bird depth out of spec Bird C1-2
Comment
Shot(s)     File(s) Trace(s) Type Remark


 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 08:41:21utc 26-Oct-2001