ACQUISITION REPORT

Locked date: 16-Apr-2007 17:14:54


Sequence: 0054, Line name: GAP07B1968P054, Seismic datatype(s): AF


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

Sequence
Line NameGAP07B1968P054
Preplot Line Name1968
Direction17.0°
Chargeable Line Length35006.25m
SOL Time (utc)02:09:22 15-Apr-2007
EOL Time (utc)06:53:15 15-Apr-2007

Attributes
Wind Speed / Direction6.0 / ENE[knots]
Swell Height / Direction1.5 / N[meters]
Propeller Speed126[avg rpm]
Propeller Pitch75[avg %]

  SOL EOL 
Bottom Speed4.74.3[knots]
Water Depth1363.02567.0[meters]
Feather Angle3.11.1[deg]
Sources Volume s1,s2 ..3147, 31473147, 3147[cu inch]
Background Noise7.635.7[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)1024 - 1053 1024 - 1053 02:05:25 - 02:09:30 
FSP Start of Line1054 1054 02:09:22 15-Apr-2007 
MSP(midnight sp)   
LSP End of Line3150 3150 06:53:15 15-Apr-2007
EOL Dummy Record(s)3151 - 3160 3151 - 3160 06:53:24 - 06:54:39 
EOL Noise Record(s)   

Line-segments 
SPs Files Times [utc] Type No. CMPs Status Remark
1054-12831054 - 128302:09:38 - 02:40:15Unknown16UnknownShooting on Run-in
1284-31501284 - 315002:40:23 - 06:53:16Prime16ValidProduction Shotpoint

Positioning remark 
SP 3144 Noise strip
Line ok


Acquisition remark 
Shooting on Run-in.


Tape-List
 
Stream AF 
Reel Shots Files No. shots Deck Missing Shots Remark
13681024 -  18731024 -  18738502  
13691874 -  27231874 -  27238503  
13702724 -  31602724 -  31604371  

Stream AF_copy 
Reel Shots Files No. shots Deck Missing Shots Remark
53681024 -  18731024 -  18738505  
53691874 -  27231874 -  27238506  
53702724 -  31602724 -  31604374  


Annotations
 
NTBP 
Shot(s) File(s) Streamer No(s) Trace(s) Type Seismic datatype Remark
ALLALL8212-213Noisy Trace(s)AFNoisy trace(s)
ALLALL749Noisy Trace(s)AFNoisy trace(s)
ALLALL698Spiking AF TracesAFSpiking AF trace(s)
ALLALL4190Spiking AF TracesAFSpiking AF trace(s)
ALLALL4230Spiking AF TracesAFSpiking AF trace(s)
ALLALL8268Noisy Trace(s)AFNoisy trace(s)
ALLALL8271Noisy Trace(s)AFNoisy trace(s)
ALLALL5272Spiking AF TracesAFSpiking AF trace(s)
16751675ALLALLIncomplete external headerAFBlock TRIGUN missing
17811781ALLALLIncomplete external headerAFBlock TRIGUN missing
26312631ALLALLIncomplete external headerAFBlock TRIGUN missing
27572757ALLALLIncomplete external headerAFBlock TRIGUN missing
27882788ALLALLIncomplete external headerAFBlock TRIGUN missing
29432943ALLALLIncomplete external headerAFBlock TRIGUN missing
29732973ALLALLIncomplete 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
ALLALL7194Weak Trace(s)AFTrace amplitude visibly lower than adjacent traces
ALLALL6289Weak Trace(s)AFTrace amplitude visibly lower than adjacent traces
ALLALL6289Weak 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
10301030ALLALLNoise RecordAFSOL Noise Record
10541054ALLALLRun-inAFFirst Run-in SP.
12841284ALLALLBOLAFFirst Production SP.
31443144ALLALLGuns disabledAFGuns not fired. DNP
31503150ALLALLEOLAFLast Production SP.
31533153ALLALLNoise 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: 0054, Line name: GAP07B1968P054, Seismic datatype(s): AF - Locked date: 16-Apr-2007 17:14:54
GENERATED Monday, April 16, 2007 5:15:35 PM GMT+00:00