ACQUISITION REPORT

Locked date: 13-Apr-2007 20:50:34


Sequence: 0045, Line name: GAP07B1616P045, Seismic datatype(s): AF


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

Sequence
Line NameGAP07B1616P045
Preplot Line Name1616
Direction197.0°
Chargeable Line Length16631.25m
SOL Time (utc)00:36:47 13-Apr-2007
EOL Time (utc)02:29:29 13-Apr-2007

Attributes
Wind Speed / Direction10.0 / NNE[knots]
Swell Height / Direction1.0 / E[meters]
Propeller Speed126[avg rpm]
Propeller Pitch65[avg %]

  SOL EOL 
Bottom Speed4.04.6[knots]
Water Depth1590.0416.0[meters]
Feather Angle2.36.02[deg]
Sources Volume s1,s2 ..3147, 31473147, 3147[cu inch]
Background Noise7.376.02[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)1989 - 1960 1989 - 1960 00:32:44 - 00:36:40 
FSP Start of Line1959 1959 00:36:47 13-Apr-2007 
MSP(midnight sp) 1215  
LSP End of Line1073 1073 02:29:29 13-Apr-2007
EOL Dummy Record(s)1072 - 0 1072 - 1215 02:29:38 
EOL Noise Record(s)   

Line-segments 
SPs Files Times [utc] Type No. CMPs Status Remark
1959-10731959 - 107300:36:48 - 02:29:30Prime16Valid 

Positioning remark 
Line ok
Not shooting on runout d/t small boat work

Acquisition remark 
 


Tape-List
 
Stream AF 
Reel Shots Files No. shots Deck Missing Shots Remark
13461989 -  11401989 -  11408503  
13471139 -  10631139 -  1063771  

Stream AF_copy 
Reel Shots Files No. shots Deck Missing Shots Remark
53461989 -  11401989 -  11408506  
53471139 -  10631139 -  1063774  


Annotations
 
NTBP 
Shot(s) File(s) Streamer No(s) Trace(s) Type Seismic datatype Remark
1215ALLALLIncomplete external headerAFBlock NAVDATA missing
1215ALLALLIncomplete external headerAFBlock CFGVIEW missing
1214ALLALLIncomplete external headerAFBlock NAVDATA missing
1214ALLALLIncomplete external headerAFBlock CFGVIEW missing
1211-1212ALLALLMissing FilesAFFiles not recorded by recording system
ALLALL749Noisy Trace(s)AFNoisy trace(s)
ALLALL874Noisy Trace(s)AFNoisy trace(s)
ALLALL698Noisy Trace(s)AFNoisy trace(s)
ALLALL6159Dead trace(s)AFAF traces dead
ALLALL2161Noisy Trace(s)AFNoisy trace(s)
ALLALL4190Spiking AF TracesAFSpiking AF trace(s)
ALLALL8212Noisy Trace(s)AFNoisy trace(s)
ALLALL8213Noisy Trace(s)AFNoisy trace(s)
ALLALL4230Spiking AF TracesAFSpiking AF trace(s)
ALLALL8258Noisy Trace(s)AFNoisy trace(s)
ALLALL8271Noisy Trace(s)AFNoisy trace(s)
ALLALL3296Noisy Trace(s)AFNoisy trace(s)
ALLALL3297Noisy Trace(s)AFNoisy 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
17291729ALLALLIncomplete external headerAFBlock TRIGUN missing
10731073ALLALLEOLAFLast Production SP.
ALLALL513Weak 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
19871987ALLALLNoise RecordAFSOL Noise Record
19591959ALLALLBOLAFFirst Production SP.
12131213ALLALLGood RecordAF Good SP & File
10701070ALLALLNoise 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: 0045, Line name: GAP07B1616P045, Seismic datatype(s): AF - Locked date: 13-Apr-2007 20:50:34
GENERATED Friday, April 13, 2007 8:51:20 PM GMT+00:00