ACQUISITION REPORT Sequence-0202
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A1856A202
  Preplot G01A1856
  Direction 198.0°
  SOL Date 19:06:38utc 17-Jan-2002
  EOL Date 23:53:53utc 17-Jan-2002
 Attributes:  
   Wind Force 2.0 [knots] $(wind_dir)
   Swell Height 1.0 [meters] Dir SSW
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 37.0 45.0 [meters]
   Bottomspeed  4.6 4.2 [knots]
   Featherangle port -0.9 port -2.0 [deg]
   Cable noise 5.44 5.93 [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 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)   3064 - 3063  
   SOL Dummy Record(s) 3062 - 3053 3062 - 3053 19:05:19 - 19:06:30
   FSP Start of Line 3052 3052 19:06:38
   MSP      
   LSP End of Line 1042 1042 23:53:53
   EOL Dummy Record(s)      
   EOL Noise Record(s)   1041 - 1040  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    3052 - 2050 3052 - 2050 19:06:38-21:24:42 Prime 16 Valid  
    2049 - 1773 2049 - 1773 21:24:51-22:05:16 Prime 0 Scratched NTBP d/t gun sub array 3 double pops
    1772 - 1042 1772 - 1042 22:05:25-23:53:53 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth at 7.0m    
   Recording QC Filter delay 5.6ms. Frontsheet Set 4. Gundepth calibrated at atmospheric pressure 1017mB, pressure now 1024mB. SSE functions on TRISOR disabled, GUNPOS block NOT recorded. No comm.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  3064 - 2852 3064 - 2852 2 825  
  2851 - 2632 2851 - 2632 2 826  
  2631 - 2202 2631 - 2202 2 827  
  2201 - 1772 2201 - 1772 2 828  
  1771 - 1342 1771 - 1342 2 829  
  1341 - 1040 1341 - 1040 2 830  
Stream 2
   Shot(s) Files Deck Reel Remark
  3064 - 2852 3064 - 2852 3 825  
  2851 - 2632 2851 - 2632 4 826  
  2631 - 2202 2631 - 2202 3 827  
  2201 - 1772 2201 - 1772 4 828  
  1771 - 1342 1771 - 1342 4 829  
  1341 - 1040 1341 - 1040 3 830  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL- 1255 Killed traces  
ALL     ALL- 1853 Killed traces  
ALL     ALL- 2641 Killed traces  
2147-1918     2147-1918 1179-1195 Bird depth out of spec Bird C4-5
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2034 Fails crossfeed test Fails crossfeed test
ALL     ALL 172, 1159 Noisy Trace(s) Noisy trace
ALL     ALL 1-9, 11-12, 369-374, 377, 737-742, 744-745, 748-749, 1105-1113, 1473, 2209-2220, 2222-2224, 2577, 2585-2588, 2602 Slope alarm > 5% of total line
2669     2669 ALL Gun timing error Gun 3-5 error (ms) : -1.1
2647     2647 ALL Gun timing error Gun 3-5 error (ms) : 1.1
2391     2391 ALL Gun timing error Gun 3-5 error (ms) : 1.1
2049     2049 ALL Gun timing error Gun 3-5 error (ms) : -1.1
2019     2019 ALL Gun timing error Gun 3-5 error (ms) : -1.3
1965     1965 ALL Gun timing error Gun 3-5 error (ms) : -1.1
1963     1963 ALL Gun timing error Gun 3-5 error (ms) : -1.1
1917-1811     1917-1811 NONE Bird depth out of spec Bird C4-5
1809-1568     1809-1568 NONE Bird depth out of spec Bird C4-5
1566-1302     1566-1302 NONE Bird depth out of spec Bird C4-5
1562     1562 ALL Gun timing error Gun 4-2 error (ms) : -1.7
1300-1294     1300-1294 NONE Bird depth out of spec Bird C4-5
1292-1220     1292-1220 NONE Bird depth out of spec Bird C4-5
1215-1198     1215-1198 NONE Bird depth out of spec Bird C4-5
1195-1179     1195-1179 NONE Bird depth out of spec Bird C4-5
1189     1189 ALL Gun timing error Gun 3-5 error (ms) : -1.1
1175-1110     1175-1110 NONE Bird depth out of spec Bird C4-5
1108-1094     1108-1094 NONE Bird depth out of spec Bird C4-5
1086-1075     1086-1075 NONE Bird depth out of spec Bird C4-5
1073     1073 ALL Gun timing error Gun 3-5 error (ms) : -1.1
1072-1042     1072-1042 NONE Bird depth out of spec Bird C4-5
1041       ALL Parity error Command Line
1034-OPEN     OPEN ALL Parity error Command Line
Comment
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL NONE Bird dropout No comms. with Streamer 4 bird 15
ALL     ALL NONE   Bad depth reading on str 3 bird 12


 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 08:56:31utc 21-Jan-2002