ACQUISITION REPORT Sequence-0073
 Survey:  
  Client Esso Australia Pty Ltd
  Area Northern Fields 3D
  Vessel GECO_BETA
  JobNumber 9170A
  Survey Type 8 STREAMER DUAL SOURCE
   
 Sequence  
  Linename G01A2416J073
  Preplot G01A2416
  Direction 198.0°
  SOL Date 12:21:14utc 24-Nov-2001
  EOL Date 13:25:45utc 24-Nov-2001
 Attributes:  
   Wind Force   [knots] $(wind_dir)
   Swell Height   [meters] $(swell_dir)
   Propellor rpm 122 [avg]  
   Propellor pitch 98 [avg]  
       
  SOL EOL  
   Waterdepth 40.0 49.0 [meters]
   Bottomspeed  4.4 4.0 [knots]
   Featherangle port -5.3 port -8.4 [deg]
   Cable noise 5.41 8.4 [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)   3587 - 3586  
   SOL Dummy Record(s) 3585 - 3576 3585 - 3576 12:19:51 - 12:21:06
   FSP Start of Line 3575 3575 12:21:14
   MSP      
   LSP End of Line 3109 3109 13:25:45
   EOL Dummy Record(s) 2234 - 2229 2234 - 2229 15:39:23 - 15:40:05
   EOL Noise Record(s)   1542 - 1541  
 Line-segments:
    SPs Files Times [utc] Type # CMPs Status Remarks
    3575 - 3146 3575 - 3146 12:21:14-13:20:33 Infill 0 Scratched Scratched d/t parities str 7 and Gun array 3 arcnet
    3145 - 3109 3145 - 3109 13:20:42-13:25:45 Infill 0 Scratched NTBP d/t guns 3-7, 3-8 misfire
 Remarks:      
   Navigation Streamer depth at 7.0m. Lgsp of line was 3146 d/t guns.    
   Recording QC ### ALL DATA SCRATCHED (D/T PARITY ERRORS STR 7 (LINES 11&12) AND BROKEN ARCNET ARRAY 3 ### Filter 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. Bird 6-15 bad DI.    

Tape-list
Stream 1
   Shot(s) Files Deck Reel Remark
  3587 - 3158 3587 - 3158 1 288  
  3157 - 1541 3157 - 1541 2 289  
Stream 2
   Shot(s) Files Deck Reel Remark
  3587 - 3158 3587 - 3158 3 288  
  3157 - 1541 3157 - 1541 4 289  

Seismic Data Annotations

NTBP
Shot(s)     File(s) Trace(s) Type Remark
3581     3581 2220, 2236, 2252, 2268, 2284, 2300, 2316, 2332, 2348, 2364, 2380, 2396, 2412, 2428, 2444, 2460, 2476, 2492, 2508, 2524, 2540, 2556, 2572 Parity Error  
3563     3563 2220, 2236, 2252, 2268, 2284, 2300, 2316, 2332, 2348, 2364, 2380, 2396, 2412, 2428, 2444, 2460, 2476, 2492, 2508, 2524, 2540, 2556, 2572 Parity Error  
3558-3555     3558-3555 2220, 2236, 2252, 2268, 2284, 2300, 2316, 2332, 2348, 2364, 2380, 2396, 2412, 2428, 2444, 2460, 2476, 2492, 2508, 2524, 2540, 2556, 2572 Parity Error  
3549     3549 2220, 2236, 2252, 2268, 2284, 2300, 2316, 2332, 2348, 2364, 2380, 2396, 2412, 2428, 2444, 2460, 2476, 2492, 2508, 2524, 2540, 2556, 2572 Parity Error  
3546-3545     3546-3545 2220, 2236, 2252, 2268, 2284, 2300, 2316, 2332, 2348, 2364, 2380, 2396, 2412, 2428, 2444, 2460, 2476, 2492, 2508, 2524, 2540, 2556, 2572 Parity Error  
3537     3537 2220, 2236, 2252, 2268, 2284, 2300, 2316, 2332, 2348, 2364, 2380, 2396, 2412, 2428, 2444, 2460, 2476, 2492, 2508, 2524, 2540, 2556, 2572 Parity Error  
3527     3527 2220, 2236, 2252, 2268, 2284, 2300, 2316, 2332, 2348, 2364, 2380, 2396, 2412, 2428, 2444, 2460, 2476, 2492, 2508, 2524, 2540, 2556, 2572 Parity Error  
3518-3517     3518-3517 2220, 2236, 2252, 2268, 2284, 2300, 2316, 2332, 2348, 2364, 2380, 2396, 2412, 2428, 2444, 2460, 2476, 2492, 2508, 2524, 2540, 2556, 2572 Parity Error  
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 Error  
3512-3511     3512-3511 2220, 2236, 2252, 2268, 2284, 2300, 2316, 2332, 2348, 2364, 2380, 2396, 2412, 2428, 2444, 2460, 2476, 2492, 2508, 2524, 2540, 2556, 2572 Parity Error  
3508     3508 2220, 2236, 2252, 2268, 2284, 2300, 2316, 2332, 2348, 2364, 2380, 2396, 2412, 2428, 2444, 2460, 2476, 2492, 2508, 2524, 2540, 2556, 2572 Parity Error  
Warning
Shot(s)     File(s) Trace(s) Type Remark
ALL     ALL 2301 Fails Crossfeed  
ALL     ALL 1191, 2164, 2806 Weak Traces Weak trace: 1191, 2164, 2806 more than -6 dB down
ALL     ALL 2219-2220, 2235-2236, 2251-2252, 2267-2268, 2283-2284, 2299-2300, 2315-2316, 2331-2332, 2347-2348, 2363-2364, 2379-2380, 2395-2396, 2411-2412, 2427-2428, 2443-2444, 2459-2460, 2475-2476, 2491-2492, 2507-2508, 2523-2524, 2539-2540, 2555-2556, 2571-2572 Seismic data parity errors > 5% of total line
ALL     ALL 1-9, 11-12, 15-16, 369-377, 379, 737-749, 751-752, 1105-1113, 1473, 1841-1846, 1852, 2209-2211, 2213-2214, 2216-2218, 2225, 2228, 2231-2232, 2234-2236, 2240, 2244, 2249, 2251, 2253, 2256, 2258, 2261, 2263-2264, 2266-2268, 2273, 2276-2277, 2280-2281, 2284, 2290, 2293-2296, 2298-2300, 2305-2306, 2309, 2312, 2316, 2320-2321, 2324-2326, 2328-2330, 2337, 2340, 2343, 2346, 2353-2355, 2357-2359, 2362-2363, 2369, 2371, 2373, 2378, 2384-2388, 2390-2391, 2393, 2400, 2402-2404, 2408, 2417-2419, 2434-2437, 2441, 2443-2444, 2449, 2453, 2455, 2457-2458, 2460, 2464, 2466, 2469, 2471, 2474, 2477, 2481, 2483, 2486, 2488-2490, 2496, 2499-2501, 2504-2506, 2521, 2524, 2529-2530, 2533, 2535-2537, 2544-2545, 2547-2548, 2552, 2560-2562, 2567, 2573, 2577, 2585 Slope alarm > 5% of total line
ALL     ALL 304, 414, 1171 Noisy Channels  
3572-3566     3572-3566 NONE Bird depth out of spec Bird C7-1
3564-3560     3564-3560 NONE Bird depth out of spec Bird C7-1
3550     3550 NONE Bird depth out of spec Bird C7-1
3534     3534 NONE Bird depth out of spec Bird C8-1
3528-3483     3528-3483 NONE Bird depth out of spec Bird C8-1
3508-3503     3508-3503 NONE Bird depth out of spec Bird C1-4
3507-3504     3507-3504 NONE Bird depth out of spec Bird C1-3
3507     3507 NONE Bird depth out of spec Bird C2-3
3504     3504 NONE Bird depth out of spec Bird C2-3
3502     3502 NONE Bird depth out of spec Bird C7-1
3499-3496     3499-3496 NONE Bird depth out of spec Bird C7-1
3493-3490     3493-3490 NONE Bird depth out of spec Bird C7-1
3488     3488 NONE Bird depth out of spec Bird C7-1
3484-3479     3484-3479 NONE Bird depth out of spec Bird C7-1
3319     3319 NONE Bird depth out of spec Bird C6-2
3311     3311 NONE Bird depth out of spec Bird C7-1
3286     3286 NONE Bird depth out of spec Bird C7-1
3284-3281     3284-3281 NONE Bird depth out of spec Bird C8-1
3283-3062     3283- ALL Parity error Command Line
3160     3160 NONE Bird depth out of spec Bird C4-11
3153-3151     3153-3151 NONE Bird depth out of spec Bird C6-3
3151     3151 NONE Bird depth out of spec Bird C7-1
3142     3142 NONE Bird depth out of spec Bird C7-1
3142-3116     3142-3116 NONE Bird depth out of spec Bird C8-1
3110-2230     3110-2230 NONE Bird depth out of spec Bird C8-1
3108-2235       ALL Missing File Files not recorded by recording system
Comment
Shot(s)     File(s) Trace(s) Type Remark
3146     3146 ALL LGSP Last Good SP Before Guns 3-7, 3-8 misfire
3109     3109 ALL Stopped Recording Stopped recording d/t subarray 3 coming onboard


 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 18:54:51utc 24-Nov-2001