ACQUISITION REPORT

Locked date: 20-Apr-2007 22:16:37


Sequence: 0078, Line name: GAP07B2048P078, Seismic datatype(s): AF


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

Sequence
Line NameGAP07B2048P078
Preplot Line Name2048
Direction17.0°
Chargeable Line Length28068.75m
SOL Time (utc)16:16:34 19-Apr-2007
EOL Time (utc)19:26:31 19-Apr-2007

Attributes
Wind Speed / Direction6.0 / E[knots]
Swell Height / Direction1.5 / E[meters]
Propeller Speed [avg rpm]
Propeller Pitch [avg %]

  SOL EOL 
Bottom Speed3.954.7[knots]
Water Depth1573.02464.0[meters]
Feather Angle7.6-1.1[deg]
Sources Volume s1,s2 ..3147, 31473147, 3147[cu inch]
Background Noise0.00.0[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)   
FSP Start of Line1335 1335 16:16:34 19-Apr-2007 
MSP(midnight sp)   
LSP End of Line2804 2804 19:26:31 19-Apr-2007
EOL Dummy Record(s)2805 - 2814 2805 - 2814  
EOL Noise Record(s)   

Line-segments 
SPs Files Times [utc] Type No. CMPs Status Remark
1335-28041335 - 280416:16:35 - 19:26:32Prime16ValidProduction Shot Point

Positioning remark 
P190 made for SP 1335-2804

Acquisition remark 
No shooting on run in d/t main ships engine failure.
BOL 1308 missed d/t MSX, Seis net failure.
FGSP 1335


Tape-List
 
Stream AF 
Reel Shots Files No. shots Deck Missing Shots Remark
14201335 -  21841335 -  21848503  
14212185 -  28142185 -  28146301  

Stream AF_copy 
Reel Shots Files No. shots Deck Missing Shots Remark
54201335 -  21841335 -  21848506  
54212185 -  28142185 -  28146304  


Annotations
 
NTBP 
Shot(s) File(s) Streamer No(s) Trace(s) Type Seismic datatype Remark
ALLALL321Spiking AF TracesAFSpiking AF trace(s)
1308-1334ALLALLDNPAFDo not process
ALLALL4222-223Noisy Trace(s)AFNoisy trace(s)
ALLALL8212-213Noisy Trace(s)AFNoisy trace(s)
ALLALL1106-107Noisy Trace(s)AFNoisy trace(s)
ALLALL749Noisy Trace(s)AFNoisy trace(s)
ALLALL698Spiking AF TracesAFSpiking AF trace(s)
ALLALL6159Dead trace(s)AFAF traces dead
ALLALL2161Noisy Trace(s)AFNoisy trace(s)
ALLALL4190Spiking AF TracesAFSpiking AF trace(s)
ALLALL5210Noisy Trace(s)AFNoisy trace(s)
ALLALL8271Noisy Trace(s)AFNoisy trace(s)
ALLALL8319Dead trace(s)AFAF traces dead

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
14401440ALLALLIncomplete external headerAFBlock TRIGUN missing
15521552ALLALLIncomplete external headerAFBlock TRIGUN missing
17131713ALLALLIncomplete external headerAFBlock TRIGUN missing
19901990ALLALLIncomplete external headerAFBlock TRIGUN missing
21642164ALLALLIncomplete external headerAFBlock TRIGUN missing
21802180ALLALLIncomplete external headerAFBlock TRIGUN missing
22872287ALLALLIncomplete external headerAFBlock TRIGUN missing
24122412ALLALLIncomplete external headerAFBlock TRIGUN missing
24262426ALLALLIncomplete external headerAFBlock TRIGUN missing
24802480ALLALLIncomplete external headerAFBlock TRIGUN missing

Comments 
Shot(s) File(s) Streamer No(s) Trace(s) Type Seismic datatype Remark
13351335ALLALLFGSPAFFirst Good SP
28042804ALLALLEOLAFLast production SP
28092809ALLALLNoise 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: 0078, Line name: GAP07B2048P078, Seismic datatype(s): AF - Locked date: 20-Apr-2007 22:16:37
GENERATED Friday, April 20, 2007 10:16:57 PM GMT+00:00