ACQUISITION REPORT Sequence-0028
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A2928A028
  Preplot  G01A2928
  Direction 18.0°
  SOL Date 03:28:27utc 28-Oct-2001
  EOL Date 07:58:49utc 28-Oct-2001

 Attributes:  
   Wind Force 15.0 [knots] Dir NE
   Swell Height 1.0 [meters] Dir NE
   Propellor rpm 122 [avg]  
   Propellor pitch 97 [avg]  
       
  SOL EOL  
   Waterdepth 55.0 43.0 [meters]
   Bottomspeed  4.88 4.65 [knots]
   Featherangle port -1.5 sb +1.2 [deg]
   Cable noise 5.88 5.33 [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)   2007 - 2008  
   SOL Dummy Record(s) 2009 - 2018 2009 - 2018 03:27:12 - 03:28:19
   FSP Start of Line 2019 2019 03:28:27
   MSP      
   LSP End of Line 4035 4035 07:58:49
   EOL Dummy Record(s)      
   EOL Noise Record(s)   4036 - 4037  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    2019 - 3177 2019 - 3177 03:28:27-05:58:49 Prime 16 Valid  
    3178 - 3235 3178 - 3235 05:58:57-06:07:45 Prime 16 Scratched NTBP d/t array pressure below 1900 psi
    3236 - 4035 3236 - 4035 06:07:55-07:58:49 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth at 7.0m    
   Recording QC Filter delay 5.6ms. Frontsheet Set 1. Gundepth calibrated at atmospheric pressure 1004mB, pressure now 1006.5mB. NFH string 1 position 2 using GSAP reference from SP 2298-EOL. Str 8 Bird 1 mask on External Header, constantly deep, 8.1m. Bad Pressure Transducer reading on array 2. Edit SP 3178-3235 due array pressure below 1900psi    
Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  2007 - 2436 2007 - 2436 1 119  
  2437 - 2866 2437 - 2866 2 120  
  2867 - 3296 2867 - 3296 1 121  
  3297 - 3726 3297 - 3726 1 122  
  3727 - 4037 3727 - 4037 1 123  
Stream 2
   Shot(s) Files Deck Reel Remark
  2007 - 2436 2007 - 2436 3 119  
  2437 - 2866 2437 - 2866 4 120  
  2867 - 3296 2867 - 3296 3 121  
  3297 - 3726 3297 - 3726 4 122  
  3727 - 4037 3727 - 4037 3 123  

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, 1495, 2775 Noisy Trace(s)  
2393     2393 ALL Gun timing error Gun 2-2 error (ms) : -2.4 
2571     2571 1657 Spiking Trace(s)  
3178-3235     3178-3235 ALL   Gun array pressure below 1900psi
3180     3180 2371 Spiking Trace(s)  
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1, 3-9, 12, 369-373, 377, 737-749, 751, 1105-1113, 1126, 1130-1131, 1841-1842, 1850, 2209-2211, 2213-2214, 2217 Slope alarm > 5% of total line
ALL     ALL 2301 Fails Crossfeed test.  
2037     2037 NONE Bird depth out of spec Bird C7-3
2039-2040     2039-2040 NONE Bird depth out of spec Bird C7-3
2377     2377 NONE Bird depth out of spec Bird C8-2
2379     2379 NONE Bird depth out of spec Bird C8-2
2639     2639 ALL TRISOR input NFH & GUNPOS block not recorded
2840     2840 ALL TRISOR input NFH & GUNPOS block not recorded
2890     2890 ALL TRISOR input NFH & GUNPOS block not recorded
3115     3115 NONE Bird depth out of spec Bird C8-2
3123     3123 NONE Bird depth out of spec Bird C6-3
3180     3180 2371 Spiking Trace(s)  
3237-3247     3237-3247 NONE Bird depth out of spec Bird C6-1
3239-3251     3239-3251 NONE Bird depth out of spec Bird C8-17
3241-3242     3241-3242 NONE Bird depth out of spec Bird C6-2
3246     3246 NONE Bird depth out of spec Bird C6-2
3250     3250 NONE Bird depth out of spec Bird C6-1
3268     3268 NONE Bird depth out of spec Bird C6-1
3299     3299 NONE Bird depth out of spec Bird C6-1
3433-3434     3433-3434 NONE Bird depth out of spec Bird C7-1
3441     3441 NONE Bird depth out of spec Bird C7-1
3441-3442     3441-3442 NONE Bird depth out of spec Bird C7-3
3444     3444 NONE Bird depth out of spec Bird C7-1
3446     3446 NONE Bird depth out of spec Bird C7-3
3448-3450     3448-3450 NONE Bird depth out of spec Bird C7-1
3448     3448 NONE Bird depth out of spec Bird C7-3
3450-3451     3450-3451 NONE Bird depth out of spec Bird C7-3
3453     3453 NONE Bird depth out of spec Bird C7-1
3453-3461     3453-3461 NONE Bird depth out of spec Bird C7-3
3456     3456 NONE Bird depth out of spec Bird C7-1
3458     3458 NONE Bird depth out of spec Bird C7-1
3463     3463 NONE Bird depth out of spec Bird C7-3
3486     3486 NONE Bird depth out of spec Bird C7-1
3503     3503 NONE Bird depth out of spec Bird C7-1
3565-3566     3565-3566 NONE Bird depth out of spec Bird C7-1
3731     3731 NONE Bird depth out of spec Bird C7-1
3742     3742 NONE Bird depth out of spec Bird C7-1
3758-3759     3758-3759 NONE Bird depth out of spec Bird C7-3
3761-3762     3761-3762 NONE Bird depth out of spec Bird C7-3
3764-3765     3764-3765 NONE Bird depth out of spec Bird C7-3
3789     3789 NONE Bird depth out of spec Bird C7-1
3793     3793 NONE Bird depth out of spec Bird C7-1
3796     3796 NONE Bird depth out of spec Bird C7-3
3797-3799     3797-3799 NONE Bird depth out of spec Bird C7-1
3802     3802 NONE Bird depth out of spec Bird C7-1
3805-3806     3805-3806 NONE Bird depth out of spec Bird C7-1
3805-3806     3805-3806 NONE Bird depth out of spec Bird C7-3
3809     3809 NONE Bird depth out of spec Bird C7-3
3811     3811 NONE Bird depth out of spec Bird C7-3
3822     3822 NONE Bird depth out of spec Bird C8-2
3830-3836     3830-3836 NONE Bird depth out of spec Bird C6-3
3840     3840 NONE Bird depth out of spec Bird C6-3
3848     3848 ALL TRISOR input NFH & GUNPOS block not recorded
3861     3861 ALL Gun timing error Gun 2-2 error (ms) : -1.7 
3968     3968 NONE Bird depth out of spec Bird C7-1
3971     3971 NONE Bird depth out of spec Bird C7-1
3976-3977     3976-3977 NONE Bird depth out of spec Bird C7-3
3979     3979 NONE Bird depth out of spec Bird C7-3
4034     4034 NONE Bird depth out of spec Bird C4-11
Comment
Shot(s)     File(s) Trace(s) Type Remark
2298-4035     2298-4035 NONE Invalid NFH Array 1 position 2 using GSAP reference from now on

 
 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 03:01:12utc 29-Oct-2001