ACQUISITION REPORT

Locked date: 10-Apr-2007 03:08:29


Sequence: 0024, Line name: GAP07B1488P024, Seismic datatype(s): AF


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

Sequence
Line NameGAP07B1488P024
Preplot Line Name1488
Direction197.0°
Chargeable Line Length17400.0m
SOL Time (utc)01:55:48 09-Apr-2007
EOL Time (utc)04:42:23 09-Apr-2007

Attributes
Wind Speed / Direction12.0 / NE[knots]
Swell Height / Direction2.0 / NE[meters]
Propeller Speed126[avg rpm]
Propeller Pitch66[avg %]

  SOL EOL 
Bottom Speed4.74.88[knots]
Water Depth1671.0384.0[meters]
Feather Angle-3.14.3[deg]
Sources Volume s1,s2 ..3147, 31473147, 3147[cu inch]
Background Noise4.450.0[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)1980 - 1964 1980 - 1964 01:53:36 - 01:55:41 
FSP Start of Line1963 1963 01:55:48 09-Apr-2007 
MSP(midnight sp)   
LSP End of Line680 680 04:42:23 09-Apr-2007
EOL Dummy Record(s)679 - 670 679 - 670 04:43:00 - 04:44:17 
EOL Noise Record(s)   

Line-segments 
SPs Files Times [utc] Type No. CMPs Status Remark
1963-18561963 - 185601:55:49 - 02:10:00Unknown16UnknownDo not process
1855-10361855 - 103602:10:08 - 03:53:24Prime16Valid 
1035-06801035 - 68003:53:31 - 04:42:50Unknown16UnknownShooting on Run-out

Positioning remark 
Line ok

Acquisition remark 
SP. 1970 : SOL Noise Record
SP. 1875 : FSP @ 02:07 SOL
SP. 1036 : LSP @ 03:53
SP. 1035-680 : Shooting on Run-out


Tape-List
 
Stream AF 
Reel Shots Files No. shots Deck Missing Shots Remark
13021980 -  11311980 -  11318501  
13031130 -  6701130 -  6704612  

Stream AF_copy 
Reel Shots Files No. shots Deck Missing Shots Remark
53021980 -  11311980 -  11318504  
53031130 -  6701130 -  6704615  


Annotations
 
NTBP 
Shot(s) File(s) Streamer No(s) Trace(s) Type Seismic datatype Remark
ALLALL749Noisy Trace(s)AFNoisy trace(s)
ALLALL698Spiking AF TracesAFSpiking AF trace(s)
ALLALL6133Spiking AF TracesAFSpiking AF trace(s)
ALLALL6159Dead trace(s)AFAF traces dead
ALLALL4190Dead trace(s)AFAF traces dead
ALLALL8319Dead trace(s)AFAF traces dead
17341734ALLALLIncomplete external headerAFBlock TRIGUN missing
15701570ALLALLIncomplete external headerAFBlock TRIGUN missing
15071507ALLALLIncomplete external headerAFBlock TRIACQ missing
15061506ALLALLIncomplete external headerAFBlock TRIACQ missing
12301230ALLALLIncomplete external headerAFBlock TRIGUN missing
ALLALL1106-107Noisy Trace(s)AFNoisy trace(s)
ALLALL3296-297Noisy Trace(s)AFNoisy trace(s)
ALLALL8212-213Noisy Trace(s)AFNoisy trace(s)
ALLALL874Noisy Trace(s)AFNoisy trace(s)
ALLALL8118Noisy Trace(s)AFNoisy trace(s)
ALLALL6128Spiking AF TracesAFSpiking AF trace(s)
ALLALL6130Spiking AF TracesAFSpiking AF trace(s)
ALLALL6131Spiking AF TracesAFSpiking AF trace(s)
ALLALL6135Spiking AF TracesAFSpiking AF trace(s)
ALLALL8271Noisy Trace(s)AFNoisy trace(s)
ALLALL3305Spiking AF TracesAFSpiking AF trace(s)
ALLALL3309Spiking AF TracesAFSpiking AF trace(s)

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
ALLALL255Weak Trace(s)AFTrace amplitude visibly lower than adjacent traces
ALLALL1133Weak Trace(s)AFTrace amplitude visibly lower than adjacent traces
ALLALL2214Weak Trace(s)AFTrace amplitude visibly lower than adjacent traces
ALLALL4291Weak Trace(s)AFTrace amplitude visibly lower than adjacent traces

Comments 
Shot(s) File(s) Streamer No(s) Trace(s) Type Seismic datatype Remark
19701970ALLALLNoise RecordAFSOL 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: 0024, Line name: GAP07B1488P024, Seismic datatype(s): AF - Locked date: 10-Apr-2007 03:08:29
GENERATED Tuesday, April 10, 2007 3:11:58 AM GMT+00:00