ACQUISITION REPORT Sequence-0029
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A2416A029
  Preplot  G01A2416
  Direction 198.0°
  SOL Date 11:01:54utc 28-Oct-2001
  EOL Date 16:39:18utc 28-Oct-2001

 Attributes:  
   Wind Force 10.0 [knots] Dir SSW
   Swell Height 1.0 [meters] Dir SSW
   Propellor rpm 122 [avg]  
   Propellor pitch 99 [avg]  
       
  SOL EOL  
   Waterdepth 41.0 52.0 [meters]
   Bottomspeed  4.1 3.2 [knots]
   Featherangle port -5.9 port -7.1 [deg]
   Cable noise 6.2 13.9 [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)   3587 - 3586  
   SOL Dummy Record(s) 3585 - 3576 3585 - 3576 11:00:26 - 11:01:45
   FSP Start of Line 3575 3575 11:01:54
   MSP      
   LSP End of Line 1543 1543 16:39:18
   EOL Dummy Record(s)      
   EOL Noise Record(s)   1542 - 1541  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    3575 - 2150 3575 - 2150 11:01:54-14:44:48 Prime 12 Valid Last Good SP 2150 @ 14:44 UTC
    2149 - 1543 2149 - 1543 14:44:59-16:39:18 Prime 0 Scratched Do not process d/t swell noise
 Remarks:      
   Navigation Streamer depth at 7.0m    
   Recording QC 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.Gun PI string 2 bad, manifold pressure 2000 psi.All gun DI's occ erratic d/t increasing swell.    
Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  3587 - 3158 3587 - 3158 1 124  
  3157 - 2728 3157 - 2728 2 125  
  2727 - 2298 2727 - 2298 1 126  
  2297 - 1868 2297 - 1868 1 127  
  1867 - 1541 1867 - 1541 1 128  
Stream 2
   Shot(s) Files Deck Reel Remark
  3587 - 3158 3587 - 3158 3 124  
  3157 - 2728 3157 - 2728 4 125  
  2727 - 2298 2727 - 2298 3 126  
  2297 - 1868 2297 - 1868 4 127  
  1867 - 1541 1867 - 1541 3 128  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1191, 1948, 2764, 2808 Killed traces  
ALL     ALL 304, 1127, 2775 Noisy traces  
2623-2610     2623-2610 407-452 Monowing wash  
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2301 Fails Crossfeed Test  
ALL     ALL 1-7, 9, 12, 369-374, 377, 737-745, 747-749, 752, 1105-1113, 1473, 1841-1842, 2209-2210, 2213, 2217 Slope alarm > 5% of total line
ALL     ALL ALL Streamer depth All sreamer depths occ erratic d/t swell
3536     3536 ALL TRISOR input NFH & GUNPOS block not recorded
3445     3445 NONE Bird depth out of spec Bird C7-1
3440     3440 NONE Bird depth out of spec Bird C7-3
3438     3438 NONE Bird depth out of spec Bird C7-3
3374     3374 NONE Bird depth out of spec Bird C7-1
3365     3365 ALL Gun timing error Gun 3-2 error (ms) : -1.8 
3285     3285 ALL Gun timing error Gun 3-2 error (ms) : -1.7 
3088     3088 NONE Bird depth out of spec Bird C7-1
3085     3085 NONE Bird depth out of spec Bird C7-1
3081     3081 NONE Bird depth out of spec Bird C7-1
2953     2953 ALL TRISOR input NFH & GUNPOS block not recorded
2939     2939 NONE Bird depth out of spec Bird C7-1
2623-2612     2623-2612 NONE Bird depth out of spec Bird C2-4
2612     2612 ALL TRISOR input NFH & GUNPOS block not recorded
2621-2603     2621-2603 NONE Bird depth out of spec Bird C1-4
2616-2601     2616-2601 NONE Bird depth out of spec Bird C1-5
2610-2593     2610-2593 NONE Bird depth out of spec Bird C2-5
2595-2587     2595-2587 NONE Bird depth out of spec Bird C2-6
2585-2583     2585-2583 NONE Bird depth out of spec Bird C2-5
2572     2572 NONE Bird depth out of spec Bird C7-1
2563-2553     2563-2553 NONE Bird depth out of spec Bird C7-3
2560-2555     2560-2555 NONE Bird depth out of spec Bird C7-4
2553     2553 ALL Gun timing error Gun 3-2 error (ms) : -1.6 
2553     2553 ALL   Weather now increasing, SW 25-30 Kts, sea 2.0 Mtrs
2548-2543     2548-2543 NONE Bird depth out of spec Bird C8-4
2538     2538 ALL Gun timing error Gun 4-5 error (ms) : 1.2 
2535-2527     2535-2527 NONE Bird depth out of spec Bird C8-4
2533-2526     2533-2526 NONE Bird depth out of spec Bird C7-3
2525     2525 NONE Bird depth out of spec Bird C8-4
2524-2523     2524-2523 NONE Bird depth out of spec Bird C7-3
2352     2352 ALL Gun timing error Gun 4-5 error (ms) : 1.2 
2169     2169 NONE Bird depth out of spec Bird C7-1
2160-2159     2160-2159 NONE Bird depth out of spec Bird C7-1
2156     2156 NONE Bird depth out of spec Bird C7-1
2156-2150     2156-2150 NONE Bird depth out of spec Bird C7-3
Comment
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL ALL   NFH string 1 position 2 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 02:41:02utc 29-Oct-2001