ACQUISITION REPORT

Locked date: 20-Apr-2007 20:28:03


Sequence: 0081, Line name: GAP07B1696J081, Seismic datatype(s): AF


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

Sequence
Line NameGAP07B1696J081
Preplot Line Name1696
Direction197.0°
Chargeable Line Length10200.0m
SOL Time (utc)09:48:25 20-Apr-2007
EOL Time (utc)10:57:54 20-Apr-2007

Attributes
Wind Speed / Direction12.0 / E[knots]
Swell Height / Direction1.5 / SSE[meters]
Propeller Speed [avg rpm]
Propeller Pitch [avg %]

  SOL EOL 
Bottom Speed4.94.32[knots]
Water Depth1275.0571.0[meters]
Feather Angle0.0-6.1[deg]
Sources Volume s1,s2 ..3147, 31473147, 3147[cu inch]
Background Noise4.294.81[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)1670 - 1641 1670 - 1641 09:44:41 - 09:48:18 
FSP Start of Line1640 1640 09:48:25 20-Apr-2007 
MSP(midnight sp)   
LSP End of Line1097 1097 10:57:54 20-Apr-2007
EOL Dummy Record(s)1096 - 1087 1096 - 1087 10:58:03 - 10:59:20 
EOL Noise Record(s)   

Line-segments 
SPs Files Times [utc] Type No. CMPs Status Remark
1640-10971640 - 109709:48:26 - 10:57:55Infill16Valid 

Positioning remark 
Infill Line ok

Acquisition remark 
Infill


Tape-List
 
Stream AF 
Reel Shots Files No. shots Deck Missing Shots Remark
14291670 -  10871670 -  10875841  

Stream AF_copy 
Reel Shots Files No. shots Deck Missing Shots Remark
54291670 -  10871670 -  10875844  


Annotations
 
NTBP 
Shot(s) File(s) Streamer No(s) Trace(s) Type Seismic datatype Remark
13761376140Spiking AF TracesAFSpiking AF trace(s)
11961196555-56Spiking AF TracesAFSpiking AF trace(s)
11961196566-67Spiking AF TracesAFSpiking AF trace(s)
11871187649-50Spiking AF TracesAFSpiking AF trace(s)
110611067174-175Spiking AF TracesAFSpiking AF trace(s)
110611067197Spiking AF TracesAFSpiking AF trace(s)
ALLALL1106-107Noisy Trace(s)AFNoisy trace(s)
ALLALL325-26Noisy Trace(s)AFNoisy trace(s)
ALLALL4222-223Noisy Trace(s)AFNoisy trace(s)
ALLALL749Noisy Trace(s)AFNoisy trace(s)
ALLALL874Noisy Trace(s)AFNoisy trace(s)
ALLALL698Spiking AF TracesAFSpiking AF trace(s)
ALLALL3128Noisy Trace(s)AFNoisy trace(s)
ALLALL6159Dead trace(s)AFAF traces dead
ALLALL4190Spiking AF TracesAFSpiking AF trace(s)
ALLALL8212Noisy Trace(s)AFNoisy trace(s)
ALLALL8213Noisy Trace(s)AFNoisy trace(s)
ALLALL8220Spiking AF TracesAFSpiking AF trace(s)
ALLALL4230Spiking AF TracesAFSpiking AF trace(s)
ALLALL8249Spiking AF TracesAFSpiking AF trace(s)
ALLALL8258Spiking AF TracesAFSpiking AF trace(s)
ALLALL8271Noisy Trace(s)AFNoisy trace(s)

Warnings 
Shot(s) File(s) Streamer No(s) Trace(s) Type Seismic datatype Remark
11181118ALLALLIncomplete external headerAFBlock TRIGUN missing
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
ALLALL8319Weak Trace(s)AFTrace amplitude visibly lower than adjacent traces

Comments 
Shot(s) File(s) Streamer No(s) Trace(s) Type Seismic datatype Remark
16651665ALLALLNoise RecordAFSOL Noise Record
16401640ALLALLBOLAFFirst Production SP
10971097ALLALLEOLAFLast Production SP
10881088ALLALLNoise 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: 0081, Line name: GAP07B1696J081, Seismic datatype(s): AF - Locked date: 20-Apr-2007 20:28:03
GENERATED Friday, April 20, 2007 8:28:29 PM GMT+00:00