ACQUISITION REPORT Sequence-0072
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A2832B072
  Preplot G01A2832
  Direction 18.0°
  SOL Date 07:49:09utc 24-Nov-2001
  EOL Date 09:58:06utc 24-Nov-2001
 Attributes:  
   Wind Force 15.0 [knots] Dir ENE
   Swell Height 2.0 [meters] Dir E
   Propellor rpm 122 [avg]  
   Propellor pitch 99 [avg]  
       
  SOL EOL  
   Waterdepth 48.0 43.0 [meters]
   Bottomspeed  4.6 4.6 [knots]
   Featherangle port -3.2 sb +4.5 [deg]
   Cable noise 6.74 6.43 [µBar rms]
   Lowcut filter 3 3 [hz]
   Filter slope 18 18 [dB]

Source Configuration
Source Position Inline Crossline Nominal Nom. Vol. Subarray Gun
Number   Offset [m] Offset [m] Depth [m] [inch ³] Count Count
0 STBD -345.0 25.0 -6.0 0.0 0 0
0 STBD -345.0 -25.0 -6.0 0.0 0 0

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 0.25 0036 0001-0036 0036 0001 - 0036 0.00
2 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 0001-0368 0368 0001 - 0368 5.60
3 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 0369-0736 0368 0369 - 0736 5.60
4 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 0737-1104 0368 0737 - 1104 5.60
5 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 1105-1472 0368 1105 - 1472 5.60
6 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 1473-1840 0368 1473 - 1840 5.60
7 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 1841-2208 0368 1841 - 2208 5.60
8 SEIS SEGD 8015, Rev.2 NONE 6.0 2.0 0368 2209-2576 0368 2209 - 2576 5.60
9 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)   2990 - 2991  
   SOL Dummy Record(s) 2992 - 3001 2992 - 3001 07:47:50 - 07:49:02
   FSP Start of Line 3002 3002 07:49:09
   MSP      
   LSP End of Line 3972 3972 09:58:06
   EOL Dummy Record(s)      
   EOL Noise Record(s)   3973 - 3974  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    3002 - 3972 3002 - 3972 07:49:09-09:58:06 Reshoot 16 Valid  
 Remarks:      
   Navigation Streamer depth at 7.0m    
   Recording QC ilter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1004mB, pressure now 1004mB. Str 8 Bird 1 mask on External Header, constantly deep, 8.1m. No comms for B 6-1.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  2990 - 3419 2990 - 3419 1 285  
  3420 - 3849 3420 - 3849 1 286  
  3850 - 3974 3850 - 3974 2 287  
Stream 2
   Shot(s) Files Deck Reel Remark
  2990 - 3419 2990 - 3419 3 285  
  3420 - 3849 3420 - 3849 4 286  
  3850 - 3974 3850 - 3974 3 287  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 304, 414, 1127 Noisy Trace(s)  
3107     3107 ALL Bad shot Shot not in external header
3143     3143 ALL Bad shot Shot not in external header
3155-3160     3155-3160 2545 Spiking Trace(s)  
3406     3406 2220, 2236, 2252, 2268, 2284, 2300, 2316, 2332, 2348, 2364, 2380, 2396, 2412, 2428, 2444, 2460, 2476, 2492, 2508, 2524, 2540, 2556, 2572 Parity errors  
3514     3514 2220, 2236, 2252, 2268, 2284, 2300, 2316, 2332, 2348, 2364, 2380, 2396, 2412, 2428, 2444, 2460, 2476, 2492, 2508, 2524, 2540, 2556, 2572 Parity errors  
3534     3534 2220, 2236, 2252, 2268, 2284, 2300, 2316, 2332, 2348, 2364, 2380, 2396, 2412, 2428, 2444, 2460, 2476, 2492, 2508, 2524, 2540, 2556, 2572 Parity errors  
3538     3538 2220, 2236, 2252, 2268, 2284, 2300, 2316, 2332, 2348, 2364, 2380, 2396, 2412, 2428, 2444, 2460, 2476, 2492, 2508, 2524, 2540, 2556, 2572 Parity errors  
3551-3552     3551-3552 2220, 2236, 2252, 2268, 2284, 2300, 2316, 2332, 2348, 2364, 2380, 2396, 2412, 2428, 2444, 2460, 2476, 2492, 2508, 2524, 2540, 2556, 2572 Parity errors  
3574     3574 2220, 2236, 2252, 2268, 2284, 2300, 2316, 2332, 2348, 2364, 2380, 2396, 2412, 2428, 2444, 2460, 2476, 2492, 2508, 2524, 2540, 2556, 2572 Parity errors  
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 1-9, 11-12, 369-374, 377, 737-749, 751-752, 1105-1113, 1126, 1130, 1841, 1843, 1845, 1855, 2210 Slope alarm > 5% of total line
ALL     ALL 1191 Weak Trace(s) Trace signal less than -6dB of nominal value
ALL     ALL 2301 Fails Crossfeed test  
3055-3087     3055-3087 NONE Bird depth out of spec Bird C6-3
3103-3104     3103-3104 NONE Bird depth out of spec Bird C6-3
3106     3106 NONE Bird depth out of spec Bird C6-3
3128     3128 NONE Bird depth out of spec Bird C6-3
3130     3130 NONE Bird depth out of spec Bird C6-3
3143     3143 NONE Bird depth out of spec Bird C7-1
3149-3150     3149-3150 NONE Bird depth out of spec Bird C7-1
3165     3165 NONE Bird depth out of spec Bird C7-1
3238     3238 NONE Bird depth out of spec Bird C7-1
3273     3273 NONE Bird depth out of spec Bird C7-1
3480     3480 NONE Bird depth out of spec Bird C7-1
3733     3733 NONE Bird depth out of spec Bird C6-3
3743-3744     3743-3744 NONE Bird depth out of spec Bird C6-3
3745     3745 NONE Bird depth out of spec Bird C7-1
3755     3755 NONE Bird depth out of spec Bird C7-1
3786     3786 NONE Bird depth out of spec Bird C6-3
3792-3800     3792-3800 NONE Bird depth out of spec Bird C6-3
3803-3804     3803-3804 NONE Bird depth out of spec Bird C6-3
3806-3807     3806-3807 NONE Bird depth out of spec Bird C6-3
3809-3810     3809-3810 NONE Bird depth out of spec Bird C6-3
3812-3813     3812-3813 NONE Bird depth out of spec Bird C6-3
3815-3817     3815-3817 NONE Bird depth out of spec Bird C6-3
3819     3819 NONE Bird depth out of spec Bird C6-3
3819     3819 NONE Bird depth out of spec Bird C7-1
3821     3821 NONE Bird depth out of spec Bird C6-3
3823-3825     3823-3825 NONE Bird depth out of spec Bird C6-3
3828-3832     3828-3832 NONE Bird depth out of spec Bird C6-3
3834     3834 NONE Bird depth out of spec Bird C6-3
3836-3843     3836-3843 NONE Bird depth out of spec Bird C6-3
3847-3849     3847-3849 NONE Bird depth out of spec Bird C6-3
3852-3853     3852-3853 NONE Bird depth out of spec Bird C6-3
3855     3855 NONE Bird depth out of spec Bird C6-3
3857-3859     3857-3859 NONE Bird depth out of spec Bird C6-3
3861-3862     3861-3862 NONE Bird depth out of spec Bird C6-3
3865-3867     3865-3867 NONE Bird depth out of spec Bird C6-3
3870     3870 NONE Bird depth out of spec Bird C6-3
3876     3876 NONE Bird depth out of spec Bird C7-1
3883     3883 NONE Bird depth out of spec Bird C7-1
3950     3950 NONE Bird depth out of spec Bird C6-2
3953     3953 NONE Bird depth out of spec Bird C7-1
3967     3967 NONE Bird depth out of spec Bird C7-1
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 06:13:33utc 25-Nov-2001