ACQUISITION REPORT

Locked date: 11-Apr-2007 04:44:21


Sequence: 0033, Line name: GAP07B1264P033, Seismic datatype(s): AF


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

Sequence
Line NameGAP07B1264P033
Preplot Line Name1264
Direction17.0°
Chargeable Line Length21075.0m
SOL Time (utc)17:02:40 10-Apr-2007
EOL Time (utc)19:55:13 10-Apr-2007

Attributes
Wind Speed / Direction27.0 / WSW[knots]
Swell Height / Direction2.5 / WSW[meters]
Propeller Speed [avg rpm]
Propeller Pitch [avg %]

  SOL EOL 
Bottom Speed0.04.73[knots]
Water Depth239.5420.5[meters]
Feather Angle6.7-6.0[deg]
Sources Volume s1,s2 ..3147, 31473147, 3147[cu inch]
Background Noise6.054.52[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)817 - 846 817 - 846 16:58:44 - 17:02:32 
FSP Start of Line847 847 17:02:40 10-Apr-2007 
MSP(midnight sp)   
LSP End of Line2200 2200 19:55:13 10-Apr-2007
EOL Dummy Record(s)2201 - 2210 2201 - 2210 19:55:22 - 19:56:31 
EOL Noise Record(s)   

Line-segments 
SPs Files Times [utc] Type No. CMPs Status Remark
0847-1076847 - 107617:02:40 - 17:32:07Unknown16UnknownShooting on Run In upon Client's Request
1077-22001077 - 220017:32:15 - 19:55:14Prime16ValidProduction Shots

Positioning remark 
P190 made for SP 847-2200. Line Ok

Acquisition remark 
SP. 847-1076 ... Shooting on Run-in
SP. 1050 ........... SOL Noise Record
SP. 1077 ........... SOL @ 17:32
SP. 2200 ........... EOL @ 19:55
SP. 2205 ........... EOL Noise Record



Tape-List
 
Stream AF 
Reel Shots Files No. shots Deck Missing Shots Remark
1323817 -  1666817 -  16668503  
13241667 -  22101667 -  22105441  

Stream AF_copy 
Reel Shots Files No. shots Deck Missing Shots Remark
5323817 -  1666817 -  16668506  
53241667 -  22101667 -  22105444  


Annotations
 
NTBP 
Shot(s) File(s) Streamer No(s) Trace(s) Type Seismic datatype Remark
ALLALL3305-306Spiking AF TracesAFSpiking AF trace(s)
ALLALL874Noisy Trace(s)AFNoisy trace(s)
ALLALL698Spiking AF TracesAFSpiking AF trace(s)
ALLALL8118Noisy Trace(s)AFNoisy trace(s)
ALLALL6128Spiking AF TracesAFSpiking AF trace(s)
ALLALL6130Spiking AF TracesAFSpiking AF trace(s)
ALLALL6135Spiking AF TracesAFSpiking AF trace(s)
ALLALL4230Spiking AF TracesAFSpiking AF trace(s)
ALLALL3296-297Noisy Trace(s)AFNoisy trace(s)
ALLALL4222-223Noisy Trace(s)AFNoisy trace(s)
ALLALL8212-213Noisy Trace(s)AFNoisy trace(s)
ALLALL513Dead trace(s)AFAF traces dead
ALLALL536Dead trace(s)AFAF traces dead
ALLALL749Noisy Trace(s)AFNoisy trace(s)
ALLALL552Dead trace(s)AFAF traces dead
ALLALL6133Spiking AF TracesAFSpiking AF trace(s)
ALLALL6159Dead trace(s)AFAF traces dead
ALLALL2161Noisy Trace(s)AFNoisy trace(s)
ALLALL4190Spiking AF TracesAFSpiking AF trace(s)
ALLALL4230Spiking AF TracesAFSpiking AF trace(s)
ALLALL8258Noisy Trace(s)AFNoisy trace(s)
ALLALL8271Noisy Trace(s)AFNoisy trace(s)
ALLALL5272Spiking AF TracesAFSpiking AF trace(s)
ALLALL3309Spiking AF TracesAFSpiking AF trace(s)
11541154ALLALLIncomplete external headerAFBlock TRIGUN missing
12521252ALLALLIncomplete external headerAFBlock TRIGUN missing
20842084ALLALLIncomplete external headerAFBlock TRIGUN missing

Warnings 
Shot(s) File(s) Streamer No(s) Trace(s) Type Seismic datatype Remark
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
10501050ALLALLNoise 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: 0033, Line name: GAP07B1264P033, Seismic datatype(s): AF - Locked date: 11-Apr-2007 04:44:21
GENERATED Wednesday, April 11, 2007 4:45:07 AM GMT+00:00