ACQUISITION REPORT

Locked date: 10-Apr-2007 03:08:26


Sequence: 0017, Line name: GAP07B1136P017, Seismic datatype(s): AF


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

Sequence
Line NameGAP07B1136P017
Preplot Line Name1136
Direction17.0°
Chargeable Line Length21806.25m
SOL Time (utc)17:01:18 07-Apr-2007
EOL Time (utc)20:29:15 07-Apr-2007

Attributes
Wind Speed / Direction14.0 / E[knots]
Swell Height / Direction1.0 / E[meters]
Propeller Speed [avg rpm]
Propeller Pitch [avg %]

  SOL EOL 
Bottom Speed4.85.0[knots]
Water Depth111.8341.0[meters]
Feather Angle0.0-6.1[deg]
Sources Volume s1,s2 ..3147, 31473157, 3147[cu inch]
Background Noise12.030.0[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)779 - 815 779 - 815 17:28:54 - 17:33:24 
FSP Start of Line816 816 17:01:18 07-Apr-2007 
MSP(midnight sp)   
LSP End of Line2201 2201 20:29:15 07-Apr-2007
EOL Dummy Record(s)2202 - 2211 2202 - 2211 20:29:23 - 20:30:28 
EOL Noise Record(s)   

Line-segments 
SPs Files Times [utc] Type No. CMPs Status Remark
0816-2201816 - 220117:33:31 - 20:29:16Prime16ValidBOL-EOL

Positioning remark 
 

Acquisition remark 
SP. 779 ................... FDSP.
SP. 780 ................... SOL Noise Test (Values high d/t bend in cable)
SP. 816 - 1038 ...... Shooting on Run-in.
SP. 1039................ BOL @ 18:01
SP. 2201 ................ EOL @ 20:29
SP. 2205................ EOL Noise Record


Tape-List
 
Stream AF 
Reel Shots Files No. shots Deck Missing Shots Remark
1285779 -  1628779 -  16288502  
12861629 -  22111629 -  22115833  

Stream AF_copy 
Reel Shots Files No. shots Deck Missing Shots Remark
5285779 -  1628779 -  16288505  
52861629 -  22111629 -  22115836  


Annotations
 
NTBP 
Shot(s) File(s) Streamer No(s) Trace(s) Type Seismic datatype Remark
ALLALL11Positioning uncertaintyAFDecimated. Manual entered Nav. trace-edits
ALLALL749Noisy Trace(s)AFNoisy trace(s)
ALLALL874Noisy Trace(s)AFNoisy trace(s)
ALLALL698Noisy Trace(s)AFNoisy trace(s)
ALLALL1106Noisy Trace(s)AFNoisy trace(s)
ALLALL1107Noisy Trace(s)AFNoisy trace(s)
ALLALL6128Spiking AF TracesAFSpiking AF trace(s)
ALLALL6130Spiking AF TracesAFSpiking AF trace(s)
ALLALL6133Spiking AF TracesAFSpiking AF trace(s)
ALLALL6135Noisy Trace(s)AFNoisy trace(s)
ALLALL6159Spiking AF TracesAFSpiking AF trace(s)
ALLALL4190Spiking AF TracesAFSpiking AF trace(s)
ALLALL4230Spiking AF TracesAFSpiking AF trace(s)
ALLALL8271Noisy Trace(s)AFNoisy trace(s)
ALLALL3296Noisy Trace(s)AFNoisy trace(s)
ALLALL3297Noisy Trace(s)AFNoisy trace(s)
ALLALL3305Spiking AF TracesAFSpiking AF trace(s)
ALLALL3309Spiking AF TracesAFSpiking AF trace(s)
10861086ALLALLDuplicated RecordAFDuplicated record
1086108671-320Positioning uncertaintyAFDecimated. Manual entered Nav. trace-edits
1086108681-320Positioning uncertaintyAFDecimated. Manual entered Nav. trace-edits
10871087ALLALLDuplicated RecordAFDuplicated record
1087108771-320Positioning uncertaintyAFDecimated. Manual entered Nav. trace-edits
1087108781-320Positioning uncertaintyAFDecimated. Manual entered Nav. trace-edits

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
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
11541154ALLALLIncomplete external headerAFBlock TRIGUN missing
12661266ALLALLIncomplete external headerAFBlock TRIGUN missing
16761676ALLALLIncomplete external headerAFBlock TRIGUN missing
17021702ALLALLIncomplete external headerAFBlock TRIGUN missing
18751875ALLALLIncomplete external headerAFBlock TRIGUN missing
19571957ALLALLIncomplete external headerAFBlock TRIGUN missing



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: 0017, Line name: GAP07B1136P017, Seismic datatype(s): AF - Locked date: 10-Apr-2007 03:08:26
GENERATED Tuesday, April 10, 2007 3:11:04 AM GMT+00:00