ACQUISITION REPORT Sequence-0027
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A2592A027
  Preplot  G01A2592
  Direction 198.0°
  SOL Date 20:56:50utc 27-Oct-2001
  EOL Date 01:24:28utc 28-Oct-2001

 Attributes:  
   Wind Force 5.0 [knots] Dir NW
   Swell Height 0.5 [meters] Dir SW
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 43.0 53.0 [meters]
   Bottomspeed  4.5 4.4 [knots]
   Featherangle port -1.5 port -2.4 [deg]
   Cable noise 5.55 6.03 [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)   3704 - 3703  
   SOL Dummy Record(s) 3702 - 3693 3702 - 3693 20:55:29 - 20:56:42
   FSP Start of Line 3692 3692 20:56:50
   MSP 2322 2322 23:59:53
   LSP End of Line 1700 1700 01:24:28
   EOL Dummy Record(s)      
   EOL Noise Record(s)   1699 - 1698  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    3692 - 1700 3692 - 1700 20:56:50-01:24:28 Prime 16 Valid  
 Remarks:      
   Navigation Streamer depth at 7.0m    
   Recording QC Filter delay 5.6ms. Frontsheet Set 1. Gundepth calibrated at atmospheric pressure 1112mB, pressure now 1010mB. Str 8 Bird 1 mask on External Header, constantly deep, 8.1m. Gun PI string 2 incorrect reading, manifold pressure 2000 psi.    
Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  3704 - 3275 3704 - 3275 1 114  
  3274 - 2845 3274 - 2845 2 115  
  2844 - 2415 2844 - 2415 1 116  
  2414 - 1985 2414 - 1985 2 117  
  1984 - 1698 1984 - 1698 1 118  
Stream 2
   Shot(s) Files Deck Reel Remark
  3704 - 3275 3704 - 3275 4 114  
  3274 - 2845 3274 - 2845 4 115  
  2844 - 2415 2844 - 2415 3 116  
  2414 - 1985 2414 - 1985 3 117  
  1984 - 1698 1984 - 1698 4 118  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 304, 1127, 1495, 2775 Noisy Trace(s)  
3703-1699   1191 Killed traces  
3703-1699   1948 Killed traces  
3703-1699   2764 Killed traces  
3703-1699   2806 Killed traces  
1789-1782     1789-1782 2235-2251 Bird depth out of spec Bird C7-3
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2301   Fails Crossfeed test
ALL     ALL 1-9, 11-12, 369-374, 377, 737-745, 747-749, 752, 1105-1113, 1473, 1841-1844, 1849, 2209-2211, 2213-2214, 2216-2218 Slope alarm > 5% of total line
3224     3228 ALL TRISOR input NFH & ExtHdr GUNPOS block not recorded
3147     3147 NONE Bird depth out of spec Bird C1-2
3140     3140 NONE Bird depth out of spec Bird C7-1
3038     3038 NONE Bird depth out of spec Bird C7-1
3037     3037 NONE Bird depth out of spec Bird C4-11
3035     3035 NONE Bird depth out of spec Bird C7-1
2968-2967     2968-2967 NONE Bird depth out of spec Bird C6-3
2965-2963     2965-2963 NONE Bird depth out of spec Bird C6-3
2874     2874 NONE Bird depth out of spec Bird C7-3
2818     2818 ALL TRISOR input NFH & ExtHdr GUNPOS block not recorded
2807-2806     2807-2806 NONE Bird depth out of spec Bird C7-3
2804     2804 NONE Bird depth out of spec Bird C7-3
2777-2772     2777-2772 NONE Bird depth out of spec Bird C7-3
2717     2717 ALL TRISOR input NFH & ExtHdr GUNPOS block not recorded
2689     2689 ALL Gun timing error Gun 2-2 error (ms) : -1.6 
2527-2526     2527-2526 NONE Bird depth out of spec Bird C7-3
2460-2450     2460-2450 NONE Bird depth out of spec Bird C7-3
2458     2458 ALL TRISOR input NFH & ExtHdr GUNPOS block not recorded
2369     2369 ALL TRISOR input NFH & ExtHdr GUNPOS block not recorded
2365-2361     2365-2361 NONE Bird depth out of spec Bird C7-3
2351     2351 ALL Gun timing error Gun 2-2 error (ms) : -1.9 
2350     2350 NONE Bird depth out of spec Bird C7-2
2345-2342     2345-2342 NONE Bird depth out of spec Bird C7-3
2334-2328     2334-2328 NONE Bird depth out of spec Bird C7-3
2237     2237 NONE Bird depth out of spec Bird C7-2
2227     2227 NONE Bird depth out of spec Bird C7-2
2092     2092 NONE Bird depth out of spec Bird C6-1
2070     2070 ALL TRISOR input NFH & ExtHdr GUNPOS block not recorded
1923     1923 ALL TRISOR input NFH & ExtHdr GUNPOS block not recorded
1822     1822 NONE Bird depth out of spec Bird C7-2
1808-1790     1808-1790 NONE Bird depth out of spec Bird C7-3
1786     1786 NONE Bird depth out of spec Bird C7-4
1783-1781     1783-1781 NONE Bird depth out of spec Bird C7-4
1781-1771     1781-1771 NONE Bird depth out of spec Bird C7-3
1779     1779 NONE Bird depth out of spec Bird C7-4
1743-1733     1743-1733 NONE Bird depth out of spec Bird C7-3
Comment
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL ALL   NFH 1.4 using GSAP reference 
1705     1705 ALL Gun timing error Gun 2-2 error (ms) : -1.7 

 
 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 01:12:21utc 28-Oct-2001