ACQUISITION REPORT

Locked date: 10-Apr-2007 03:08:28


Sequence: 0022, Line name: GAP07B1472P022, Seismic datatype(s): AF


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

Sequence
Line NameGAP07B1472P022
Preplot Line Name1472
Direction197.0°
Chargeable Line Length17512.5m
SOL Time (utc)17:15:40 08-Apr-2007
EOL Time (utc)20:05:28 08-Apr-2007

Attributes
Wind Speed / Direction20.0 / NNE[knots]
Swell Height / Direction2.5 / NE[meters]
Propeller Speed [avg rpm]
Propeller Pitch [avg %]

  SOL EOL 
Bottom Speed4.824.86[knots]
Water Depth0.0368.5[meters]
Feather Angle-8.81.2[deg]
Sources Volume s1,s2 ..3147, 31473147, 3147[cu inch]
Background Noise5.514.55[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)1994 - 1965 1994 - 1965 17:11:54 - 17:15:33 
FSP Start of Line1964 1964 17:15:40 08-Apr-2007 
MSP(midnight sp)  00:00:00 00-???-00
LSP End of Line620 620 20:05:28 08-Apr-2007
EOL Dummy Record(s)619 - 610 619 - 610 20:05:53 - 20:07:28 
EOL Noise Record(s)   

Line-segments 
SPs Files Times [utc] Type No. CMPs Status Remark
1964-10311964 - 103117:15:41 - 19:11:29Prime16Valid 
1025-06201025 - 62019:12:14 - 20:05:43Unknown16UnknownShooting on Run Out upon Client's request

Positioning remark 
Line ok
SP 1030-1026 (run out) DNP d/t noise strip

Acquisition remark 
SOL Noise: SP. 1990
FSP. 1964. SOL @ 17:15
LSP. 1031. EOL @ 19:11
SP's 1030-1026 Guns off.
EOL Noise: SP. 1026
SP's. 1025-610 ..... Shooting on Run Out.


Tape-List
 
Stream AF 
Reel Shots Files No. shots Deck Missing Shots Remark
12981994 -  11451994 -  11458503  
12991144 -  6101144 -  6105351  

Stream AF_copy 
Reel Shots Files No. shots Deck Missing Shots Remark
52981994 -  11451994 -  11458506  
52991144 -  6101144 -  6105354  


Annotations
 
NTBP 
Shot(s) File(s) Streamer No(s) Trace(s) Type Seismic datatype Remark
ALLALL1106-107Noisy Trace(s)AFNoisy trace(s)
ALLALL8212-213Noisy Trace(s)AFNoisy trace(s)
ALLALL749Noisy Trace(s)AFNoisy trace(s)
ALLALL6130Spiking AF TracesAFSpiking AF trace(s)
ALLALL6133Spiking AF TracesAFSpiking AF trace(s)
ALLALL6135Spiking AF TracesAFSpiking AF trace(s)
ALLALL6159Dead trace(s)AFAF traces dead
ALLALL8271Noisy Trace(s)AFNoisy trace(s)
ALLALL3305Spiking AF TracesAFSpiking AF trace(s)
18941894ALLALLIncomplete external headerAFBlock TRIGUN missing
17241724ALLALLIncomplete external headerAFBlock TRIGUN missing
17141714ALLALLIncomplete external headerAFBlock TRIGUN missing
17061706ALLALLIncomplete external headerAFBlock TRIGUN missing
15881588ALLALLIncomplete external headerAFBlock TRIGUN missing
ALLALL4222-223Spiking AF TracesAFSpiking AF trace(s)
ALLALL3296-297Noisy Trace(s)AFNoisy trace(s)
ALLALL698Spiking AF TracesAFSpiking AF trace(s)
ALLALL6128Spiking AF TracesAFSpiking AF trace(s)
ALLALL6131Spiking AF TracesAFSpiking AF trace(s)
ALLALL3271Spiking AF TracesAFSpiking AF trace(s)
ALLALL5272Spiking 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
ALLALL7194Weak 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
ALLALL513, 36, 52Weak Trace(s)AFTrace amplitude visibly lower than adjacent traces
ALLALL4190Weak Trace(s)AFTrace amplitude visibly lower than adjacent traces
ALLALL2279Weak Trace(s)AFTrace amplitude visibly lower than adjacent traces



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: 0022, Line name: GAP07B1472P022, Seismic datatype(s): AF - Locked date: 10-Apr-2007 03:08:28
GENERATED Tuesday, April 10, 2007 3:11:53 AM GMT+00:00