ACQUISITION REPORT

Locked date: 11-Apr-2007 04:17:59


Sequence: 0029, Line name: GAP07B1232P029, Seismic datatype(s): AF


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

Sequence
Line NameGAP07B1232P029
Preplot Line Name1232
Direction17.0°
Chargeable Line Length21262.5m
SOL Time (utc)23:25:44 09-Apr-2007
EOL Time (utc)02:15:38 10-Apr-2007

Attributes
Wind Speed / Direction17.0 / NW[knots]
Swell Height / Direction2.0 / N[meters]
Propeller Speed125[avg rpm]
Propeller Pitch70[avg %]

  SOL EOL 
Bottom Speed0.04.9[knots]
Water Depth208.0407.0[meters]
Feather Angle1.6-1.6[deg]
Sources Volume s1,s2 ..3147, 31473147, 3147[cu inch]
Background Noise4.195.32[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)807 - 836 807 - 836 23:21:43 - 23:25:25 
FSP Start of Line837 837 23:25:44 09-Apr-2007 
MSP(midnight sp)1101 1101 23:59:56 09-Apr-2007
LSP End of Line2200 2200 02:15:38 10-Apr-2007
EOL Dummy Record(s)2201 - 2210 2201 - 2210 02:15:46 - 02:16:53 
EOL Noise Record(s)   

Line-segments 
SPs Files Times [utc] Type No. CMPs Status Remark
0837-1066837 - 106623:25:32 - 23:55:38Unknown16UnknownShooting on Run-in upon Client's request
1067-22001067 - 220023:55:45 - 02:15:39Prime16ValidProduction Shots

Positioning remark 
Noise record 1053-1054 DNP
Line ok

Acquisition remark 
FSP. 837 ... @ 23:52 ... Shooting on Run In
SP. 1053 - 1054 ... No Guns fired, DNP.
SP. 1054 .... SOL Noise
SP. 1067 .... SOL @ 23:55
SP. 2200 .... EOL @ : 02:15
SP. 2205 .... EOL Noise
Str 8 bird 15 intermittent comms.



Tape-List
 
Stream AF 
Reel Shots Files No. shots Deck Missing Shots Remark
1314807 -  1656807 -  16568503  
13151657 -  22101657 -  22105541  

Stream AF_copy 
Reel Shots Files No. shots Deck Missing Shots Remark
5314807 -  1656807 -  16568506  
53151657 -  22101657 -  22105544  


Annotations
 
NTBP 
Shot(s) File(s) Streamer No(s) Trace(s) Type Seismic datatype Remark
ALLALL1106-107Weak Trace(s)AFTrace amplitude visibly lower than adjacent traces
ALLALL6130-131Spiking AF TracesAFSpiking AF trace(s)
ALLALL6128Spiking AF TracesAFSpiking AF trace(s)
ALLALL3305Spiking AF TracesAFSpiking AF trace(s)
ALLALL3296-297Noisy Trace(s)AFNoisy trace(s)
ALLALL4222-223Noisy Trace(s)AFNoisy trace(s)
ALLALL8212-213Noisy Trace(s)AFNoisy trace(s)
ALLALL513Weak Trace(s)AFTrace amplitude visibly lower than adjacent traces
ALLALL536Weak Trace(s)AFTrace amplitude visibly lower than adjacent traces
ALLALL749Spiking AF TracesAFSpiking AF trace(s)
ALLALL874Noisy Trace(s)AFNoisy trace(s)
ALLALL279Weak Trace(s)AFTrace amplitude visibly lower than adjacent traces
ALLALL698Spiking AF TracesAFSpiking AF trace(s)
ALLALL6133Spiking AF TracesAFSpiking AF trace(s)
ALLALL6135Spiking AF TracesAFSpiking AF trace(s)
ALLALL6159Dead trace(s)AFAF traces dead
ALLALL2161Noisy Trace(s)AFNoisy trace(s)
ALLALL4190Weak Trace(s)AFTrace amplitude visibly lower than adjacent traces
ALLALL8271Spiking AF TracesAFSpiking AF trace(s)
ALLALL5272Spiking AF TracesAFSpiking AF trace(s)
ALLALL3309Spiking AF TracesAFSpiking AF trace(s)
10891089ALLALLIncomplete external headerAFBlock TRIGUN missing
14191419ALLALLIncomplete external headerAFBlock TRIGUN missing
20772077ALLALLIncomplete external headerAFBlock TRIGUN missing
2078ALLALLMissing FileAFFile has not been recorded by recording system

Warnings 
Shot(s) File(s) Streamer No(s) Trace(s) Type Seismic datatype Remark
ALLALL2184-185Noisy Trace(s)AFNoisy trace(s)
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



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: 0029, Line name: GAP07B1232P029, Seismic datatype(s): AF - Locked date: 11-Apr-2007 04:17:59
GENERATED Wednesday, April 11, 2007 4:18:31 AM GMT+00:00