ACQUISITION REPORT

Locked date: 08-Apr-2007 03:03:58


Sequence: 0016, Line name: GAP07B1424P016, Seismic datatype(s): AF


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

Sequence
Line NameGAP07B1424P016
Preplot Line Name1424
Direction197.0°
Chargeable Line Length20175.0m
SOL Time (utc)13:27:26 07-Apr-2007
EOL Time (utc)15:44:13 07-Apr-2007

Attributes
Wind Speed / Direction16.0 / SE[knots]
Swell Height / Direction1.5 / S[meters]
Propeller Speed125[avg rpm]
Propeller Pitch60[avg %]

  SOL EOL 
Bottom Speed4.494.9[knots]
Water Depth830.0300.0[meters]
Feather Angle-4.73.3[deg]
Sources Volume s1,s2 ..3147, 31473157, 3147[cu inch]
Background Noise6.216.16[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)2122 - 2093 2122 - 2093 13:23:16 - 13:27:18 
FSP Start of Line2092 2092 13:27:26 07-Apr-2007 
MSP(midnight sp)   
LSP End of Line640 640 15:44:13 07-Apr-2007
EOL Dummy Record(s)639 - 630 639 - 630 16:35:51 - 16:37:02 
EOL Noise Record(s)   

Line-segments 
SPs Files Times [utc] Type No. CMPs Status Remark
2092-10172092 - 101713:27:27 - 15:44:14Prime16ValidProduction Sp's.
1016-10131016 - 101315:44:22 - 15:44:44Unknown16UnknownDo Not Process - Dummy Shots for Noise Records
1012-06401012 - 64015:44:51 - 16:35:44Unknown16UnknownShooting on Run-out at Client's request.

Positioning remark 
13:23 23:23 2122 FDSP

13:27 23:27 2092 SOL/First Preplot SP
DC 5m F/A 4.7E Depth 727m


Acquisition remark 
SP. 2122 ................ FDSP.
SP. 2120 ................ BOL Noise Record.
SP. 2092 ................ SOL @ 13:27.
SP. 1017 ................ EOL @ 15:44
SP. 1016 - 1013 ................ EOL Noise Record. Guns Turned Off.
SP. 1012 - 630 ............... Shooting on Run Out.


Tape-List
 
Stream AF 
Reel Shots Files No. shots Deck Missing Shots Remark
12832122 -  12732122 -  12738503  
12841272 -  6301272 -  6306431  

Stream AF_copy 
Reel Shots Files No. shots Deck Missing Shots Remark
52832122 -  12732122 -  12738506  
52841272 -  6301272 -  6306434  


Annotations
 
NTBP 
Shot(s) File(s) Streamer No(s) Trace(s) Type Seismic datatype Remark
ALLALL749Noisy Trace(s)AFNoisy trace(s)
ALLALL1106Noisy Trace(s)AFNoisy trace(s)
ALLALL1107Noisy Trace(s)AFNoisy trace(s)
ALLALL6159Dead trace(s)AFAF traces dead
ALLALL4190Dead trace(s)AFAF traces dead
ALLALL8271Noisy Trace(s)AFNoisy trace(s)
1016-10131016-1013ALLALLDummy RecordAFDummy Records for EOL Noise Records. DNP.
10151015ALLALLNoise RecordAFEOL Noise Record
ALLALL3296-297Noisy Trace(s)AFNoisy trace(s)
ALLALL8212-213Noisy Trace(s)AFNoisy trace(s)
ALLALL698Noisy Trace(s)AFNoisy 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)
ALLALL3305Spiking 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
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
ALLALL8292Weak Trace(s)AFTrace amplitude visibly lower than adjacent traces
ALLALL8319Weak Trace(s)AFTrace amplitude visibly lower than adjacent traces
18551855ALLALLIncomplete external headerAFBlock TRIGUN missing
18031803ALLALLIncomplete external headerAFBlock TRIGUN missing
16961696ALLALLIncomplete external headerAFBlock TRIGUN missing
16231623ALLALLIncomplete external headerAFBlock TRIGUN missing
ALLALL6159Weak Trace(s)AFTrace amplitude visibly lower than adjacent traces

Comments 
Shot(s) File(s) Streamer No(s) Trace(s) Type Seismic datatype Remark
21202120ALLALLNoise RecordAFSOL 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: 0016, Line name: GAP07B1424P016, Seismic datatype(s): AF - Locked date: 08-Apr-2007 03:03:58
GENERATED Sunday, April 8, 2007 3:06:40 AM GMT+00:00