ACQUISITION REPORT

Locked date: 10-Apr-2007 03:08:28


Sequence: 0023, Line name: GAP07B1184P023, Seismic datatype(s): AF


<maintitle>ACQUISITION REPORT </maintitle>
Survey
ClientApache
Client Reference Id 
Areaelver
VesselWestern Trident
Job Number9606
Survey Type3D Marine Streamer

Sequence
Line NameGAP07B1184P023
Preplot Line Name1184
Direction17.0°
Chargeable Line Length21543.75m
SOL Time (utc)21:08:03 08-Apr-2007
EOL Time (utc)23:59:08 08-Apr-2007

Attributes
Wind Speed / Direction20.0 / NE[knots]
Swell Height / Direction1.5 / NE[meters]
Propeller Speed [avg rpm]
Propeller Pitch [avg %]

  SOL EOL 
Bottom Speed133.754.8[knots]
Water Depth133.75353.5[meters]
Feather Angle5.72.0[deg]
Sources Volume s1,s2 ..3147, 31473147, 3147[cu inch]
Background Noise6.255.42[µBar avg rms]
Lowcut Filter Cutoff/Slope2 / 122 / 12[Hz] / [dB/oct]


Production
 
  Shotpoint File Time [utc]
SOL Noise Record(s)   
SOL Dummy Record(s)793 - 822 793 - 822 21:04:46 - 21:08:18 
FSP Start of Line823 823 21:08:03 08-Apr-2007 
MSP(midnight sp)   
LSP End of Line2201 2201 23:59:08 08-Apr-2007
EOL Dummy Record(s)2202 - 2211 2202 - 2211 23:59:16 - 00:00:24 
EOL Noise Record(s)   

Line-segments 
SPs Files Times [utc] Type No. CMPs Status Remark
0823-1052823 - 105221:08:25 - 21:37:57Unknown16UnknownShooting on Run In
1053-22011053 - 220121:38:04 - 23:59:08Prime16ValidProduction Shots

Positioning remark 
Line ok
Noise strip sp 1049-1050 DNP

Acquisition remark 
SP's. 823-1047....Shooting during Run In
SP. 1050. ..............SOL Noise
FSP. 1053. ............SOL @ 21:38
LSP. 2201. ............EOL @ 23:59
SP. 2205. ..............EOL Noise


Tape-List
 
Stream AF 
Reel Shots Files No. shots Deck Missing Shots Remark
1300793 -  1642793 -  16428502  
13011643 -  22111643 -  22115693  

Stream AF_copy 
Reel Shots Files No. shots Deck Missing Shots Remark
5300793 -  1642793 -  16428505  
53011643 -  22111643 -  22115696  


Annotations
 
NTBP 
Shot(s) File(s) Streamer No(s) Trace(s) Type Seismic datatype Remark
ALLALL1106-107Noisy Trace(s)AFNoisy trace(s)
ALLALL3296-297Noisy Trace(s)AFNoisy trace(s)
ALLALL8213-214Noisy Trace(s)AFNoisy trace(s)
ALLALL749Noisy Trace(s)AFNoisy trace(s)
ALLALL886Spiking AF TracesAFSpiking AF trace(s)
ALLALL698Spiking AF TracesAFSpiking AF trace(s)
ALLALL6128Spiking AF TracesAFSpiking AF trace(s)
ALLALL6130Spiking AF TracesAFSpiking AF trace(s)
ALLALL6131Spiking AF TracesAFSpiking AF trace(s)
ALLALL6133Spiking AF TracesAFSpiking AF trace(s)
ALLALL6135Spiking AF TracesAFSpiking AF trace(s)
ALLALL6159Dead trace(s)AFAF traces dead
ALLALL4190Dead trace(s)AFAF traces dead
ALLALL8271Spiking AF TracesAFSpiking AF trace(s)
ALLALL3271Spiking AF TracesAFSpiking AF trace(s)
ALLALL5272Spiking AF TracesAFSpiking AF trace(s)
ALLALL3305Spiking AF TracesAFSpiking AF trace(s)
ALLALL3309Spiking AF TracesAFSpiking AF trace(s)
17651765ALLALLIncomplete external headerAFBlock TRIGUN missing

Warnings 
Shot(s) File(s) Streamer No(s) Trace(s) Type Seismic datatype Remark
ALLALL513Weak Trace(s)AFTrace amplitude visibly lower than adjacent traces
ALLALL536Weak Trace(s)AFTrace amplitude visibly lower than adjacent traces
ALLALL552Weak Trace(s)AFTrace amplitude visibly lower than adjacent traces
ALLALL279Weak Trace(s)AFTrace amplitude visibly lower than adjacent traces
ALLALL689Weak Trace(s)AFTrace amplitude visibly lower than adjacent traces
ALLALL7194Weak Trace(s)AFTrace amplitude visibly lower than adjacent traces
ALLALL8292Weak Trace(s)AFTrace amplitude visibly lower than adjacent traces
ALLALL8319Weak Trace(s)AFTrace amplitude visibly lower than adjacent traces

Comments 
Shot(s) File(s) Streamer No(s) Trace(s) Type Seismic datatype Remark
10501050ALLALLNoise RecordAFSOL Noise Record
22052205ALLALLNoise RecordAFEOL Noise Record



List of used abbreviations
SOL/EOLStart/End of line.
FSP/LSPFirst/Last shotpoint of the line.
FCSP/LCSPFirst/Last chargeable shotpoint
MSPMidnight (last) shotpoint of the day
FGSP/LGSPFirst/Last Good Shotpoint
FOSP/LOSPFirst/Last Overlap Shotpoint
FSP/LSP R/OFirst/Last Shotpoint Runout
DEC_FILT/SS_FILTFiltered Decimated Single Sensor/Filtered Single Sensor. ALL in the context of Seismic Datatype means both DEC_FILT and SS_FILT
AFArray Formed
DegDegrees: e[0,360]
revRevolutions
utcUniversal Time Coordinate
SPsShotpoints
CMPsCommon midpoints
NTBPNot to be processed
SISeismic interference
No.Number / Number Of

TIM - ACQUISITION REPORT - Sequence: 0023, Line name: GAP07B1184P023, Seismic datatype(s): AF - Locked date: 10-Apr-2007 03:08:28
GENERATED Tuesday, April 10, 2007 3:11:48 AM GMT+00:00