ACQUISITION REPORT Sequence-0036
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A2368A036
  Preplot G01A2368
  Direction 198.0°
  SOL Date 06:15:59utc 05-Nov-2001
  EOL Date 07:34:51utc 05-Nov-2001
 Attributes:  
   Wind Force 5.0 [knots] Dir ESE
   Swell Height 1.0 [meters] Dir ENE
   Propellor rpm 122 [avg]  
   Propellor pitch 99 [avg]  
       
  SOL EOL  
   Waterdepth 40.0 43.0 [meters]
   Bottomspeed  4.5 4.5 [knots]
   Featherangle port -3.2 port -3.5 [deg]
   Cable noise 6.53 5.73 [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)   3555 - 3554  
   SOL Dummy Record(s) 3553 - 3544 3553 - 3544 06:14:39 - 06:15:51
   FSP Start of Line 3543 3543 06:15:59
   MSP      
   LSP End of Line 2953 2953 07:34:51
   EOL Dummy Record(s) 2952 - 2947 2952 - 2947 07:34:59 - 07:35:39
   EOL Noise Record(s)   2952 - 2952  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    3543 - 2953 3543 - 2953 06:15:59-07:34:51 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth at 7.0m GUN SEQ INCORRECT - STBD GUNS FIRE ON EVEN SP'S    
   Recording QC Filter delay 5.6ms. Frontsheet Set 3. Gundepth calibrated at atmospheric pressure 1004mB, pressure now 1012mB. Str 8 Bird 1 mask on External Header, occasionally deep, 8.1m. LGSP # 2953 due to whales ahead.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  3555 - 3126 3555 - 3126 1 151  
  3125 - 2952 3125 - 2952 2 152 Only one noise file recorded.
Stream 2
   Shot(s) Files Deck Reel Remark
  3555 - 3126 3555 - 3126 3 151  
  3125 - 2952 3125 - 2952 4 152 Only one noise file recorded.

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 304, 1127, 1495 Noisy Trace(s)  
ALL     ALL 1191, 1948 Weak Trace(s) Trace signal less than -6dB of nominal value
3339-3328     3339-3328 451-474 Monowing wash Low frequency, high amplitude noise due to monowing wash
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 4-7, 9, 12, 369-371, 373, 377, 737-745, 747-749, 751-752, 764, 1105-1113, 1126, 1130-1131, 1473, 1841, 1850, 1852, 1855, 2210 Slope alarm > 5% of total line
ALL     ALL 2301 Fails Crossfeed test:  
3553-2953     3553-2953 ALL Slope overload  
3547     3547 NONE Bird depth out of spec Bird C6-3
3541     3541 NONE Bird depth out of spec Bird C6-3
3516-3515     3516-3515 NONE Bird depth out of spec Bird C6-16
3350-3300     3350-3300 NONE Bird depth out of spec Bird C2-6
3349-3345     3349-3345 NONE Bird depth out of spec Bird C2-5
3348-3326     3348-3326 NONE Bird depth out of spec Bird C2-7
3337-3309     3337-3309 NONE Bird depth out of spec Bird C2-5
3329-3326     3329-3326 NONE Bird depth out of spec Bird C2-4
3327-3316     3327-3316 NONE Bird depth out of spec Bird C3-11
3324-3321     3324-3321 NONE Bird depth out of spec Bird C2-4
3324-3318     3324-3318 NONE Bird depth out of spec Bird C2-7
3315-3313     3315-3313 NONE Bird depth out of spec Bird C3-10
3314-3309     3314-3309 NONE Bird depth out of spec Bird C6-3
3306-3290     3306-3290 NONE Bird depth out of spec Bird C2-7
3289-3287     3289-3287 NONE Bird depth out of spec Bird C1-6
3245-3240     3245-3240 NONE Bird depth out of spec Bird C6-3
3238     3238 NONE Bird depth out of spec Bird C6-3
3233     3233 NONE Bird depth out of spec Bird C6-3
3227-3213     3227-3213 NONE Bird depth out of spec Bird C1-10
3209     3209 NONE Bird depth out of spec Bird C2-16
3150-3104     3150-3104 NONE Bird depth out of spec Bird C6-3
3101-3095     3101-3095 NONE Bird depth out of spec Bird C6-3
3064     3064 NONE Bird depth out of spec Bird C6-3
3062     3062 NONE Bird depth out of spec Bird C6-3
3060     3060 NONE Bird depth out of spec Bird C6-3
3052-3051     3052-3051 NONE Bird depth out of spec Bird C6-3
3041-3036     3041-3036 NONE Bird depth out of spec Bird C6-3
3033-3031     3033-3031 NONE Bird depth out of spec Bird C6-3
3028     3028 NONE Bird depth out of spec Bird C6-3
3026     3026 NONE Bird depth out of spec Bird C6-3
3024-3023     3024-3023 NONE Bird depth out of spec Bird C6-3
3017     3017 NONE Bird depth out of spec Bird C6-3
Comment
Shot(s)     File(s) Trace(s) Type Remark
2953     2953 ALL LGSP Last good Shotpoint due to whales ahead.


 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 11:57:45utc 05-Nov-2001