ACQUISITION REPORT

Locked date: 08-Apr-2007 03:03:57


Sequence: 0011, Line name: GAP07B1088P011, Seismic datatype(s): AF


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

Sequence
Line NameGAP07B1088P011
Preplot Line Name1088
Direction17.0°
Chargeable Line Length22068.75m
SOL Time (utc)14:20:38 06-Apr-2007
EOL Time (utc)16:49:47 06-Apr-2007

Attributes
Wind Speed / Direction12.0 / SE[knots]
Swell Height / Direction1.5 / SE[meters]
Propeller Speed130[avg rpm]
Propeller Pitch60[avg %]

  SOL EOL 
Bottom Speed4.44.74[knots]
Water Depth135.0328.0[meters]
Feather Angle-4.10.0[deg]
Sources Volume s1,s2 ..3147, 31473157, 3147[cu inch]
Background Noise7.914.43[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)765 - 807 765 - 807 13:46:49 - 13:52:27 
FSP Start of Line808 808 14:20:38 06-Apr-2007 
MSP(midnight sp)   
LSP End of Line2201 2201 16:49:47 06-Apr-2007
EOL Dummy Record(s)2202 - 2211 2202 - 2211 16:49:56 - 16:51:04 
EOL Noise Record(s)   

Line-segments 
SPs Files Times [utc] Type No. CMPs Status Remark
0808-1024808 - 102413:52:35 - 14:20:31Unknown16UnknownShooting on Run-in at Client's request
1025-22011025 - 220114:20:39 - 16:49:48Prime16Valid 

Positioning remark 
Line ok



Acquisition remark 
SP. 765 ................ FDSP.
SP. 767 ................ BOL Noise Record. Bend in cables.
SP. 795 ................ Start Shooting on Run In.
SP. 1025 ................ SOL @ 14:20.
SP. 2201 ................ EOL @ 16:49.
SP. 2205 ................ EOL Noise Record.
SP. 2211 ................ LDSP.


Tape-List
 
Stream AF 
Reel Shots Files No. shots Deck Missing Shots Remark
1272503 -  1609503 -  16098501  
12731610 -  22111610 -  22116022  

Stream AF_copy 
Reel Shots Files No. shots Deck Missing Shots Remark
5272503 -  1609503 -  16098504  
52731610 -  22111610 -  22116025  


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)
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)
ALLALL4190Dead trace(s)AFAF traces dead
ALLALL7194Weak trace(s)AFAF traces dead
ALLALL4222Noisy Trace(s)AFNoisy trace(s)
ALLALL4223Noisy Trace(s)AFNoisy trace(s)
ALLALL8271Spiking AF TracesAFSpiking AF trace(s)
ALLALL3309Spiking AF TracesAFSpiking AF trace(s)
11501150ALLALLIncomplete external headerAFBlock TRIGUN missing
13771377ALLALLIncomplete external headerAFBlock TRIGUN missing
17051705ALLALLIncomplete external headerAFBlock TRIGUN missing
17851785ALLALLIncomplete external headerAFBlock TRIGUN missing
18331833885Spiking AF TracesAFSpiking AF trace(s)
18811881874Spiking AF TracesAFSpiking AF trace(s)
21312131885Spiking AF TracesAFSpiking AF trace(s)
21692169ALLALLIncomplete 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
ALLALL552Weak Trace(s)AFTrace amplitude visibly lower than adjacent traces
ALLALL279Weak Trace(s)AFTrace amplitude visibly lower than adjacent traces
ALLALL6159Weak trace(s)AFAF traces dead
ALLALL6289Weak Trace(s)AFTrace amplitude visibly lower than adjacent traces
ALLALL8292Weak Trace(s)AFTrace amplitude visibly lower than adjacent traces
ALLALL8319Weak trace(s)AFAF traces dead

Comments 
Shot(s) File(s) Streamer No(s) Trace(s) Type Seismic datatype Remark
767-768767-768ALLALLNoise 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: 0011, Line name: GAP07B1088P011, Seismic datatype(s): AF - Locked date: 08-Apr-2007 03:03:57
GENERATED Sunday, April 8, 2007 3:06:05 AM GMT+00:00