ACQUISITION REPORT

Locked date: 17-Apr-2007 18:55:11


Sequence: 0067, Line name: GAP07B1856P067, Seismic datatype(s): AF


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

Sequence
Line NameGAP07B1856P067
Preplot Line Name1856
Direction197.0°
Chargeable Line Length38662.5m
SOL Time (utc)06:40:12 17-Apr-2007
EOL Time (utc)11:44:56 17-Apr-2007

Attributes
Wind Speed / Direction12.0 / NNW[knots]
Swell Height / Direction2.5 / SSW[meters]
Propeller Speed126[avg rpm]
Propeller Pitch60[avg %]

  SOL EOL 
Bottom Speed5.054.81[knots]
Water Depth0.0101.0[meters]
Feather Angle-2.3-0.3[deg]
Sources Volume s1,s2 ..3147, 31473147, 3147[cu inch]
Background Noise6.780.0[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)6682 - 3206 6682 - 3206 11:46:01 - 06:40:06 
FSP Start of Line3205 3205 06:40:12 17-Apr-2007 
MSP(midnight sp)   
LSP End of Line791 791 11:44:56 17-Apr-2007
EOL Dummy Record(s)790 - 781 790 - 781 11:44:22 - 11:45:47 
EOL Noise Record(s)   

Line-segments 
SPs Files Times [utc] Type No. CMPs Status Remark
3205-11443205 - 114406:40:13 - 10:54:57Prime16ValidProduction Shotpoints
1143-07911143 - 79110:55:05 - 11:44:13Unknown16UnknownRun-out Shotpoints

Positioning remark 
Line ok

Acquisition remark 
Shooting on Run-out.
No EOL Noise File.


Tape-List
 
Stream AF 
Reel Shots Files No. shots Deck Missing Shots Remark
13923235 -  23863235 -  23868503  
13932385 -  15362385 -  15368501  
13941535 -  7911535 -  7917602  

Stream AF_copy 
Reel Shots Files No. shots Deck Missing Shots Remark
53923235 -  23863235 -  23868506  
53932385 -  15362385 -  15368504  
53941535 -  7911535 -  7917605  


Annotations
 
NTBP 
Shot(s) File(s) Streamer No(s) Trace(s) Type Seismic datatype Remark
31423142ALLALLIncomplete external headerAFBlock TRIGUN missing
17321732ALLALLIncomplete external headerAFBlock TRIGUN missing
15421542ALLALLIncomplete external headerAFBlock TRIGUN missing
ALLALL8212-213Noisy Trace(s)AFNoisy trace(s)
ALLALL749Noisy Trace(s)AFNoisy trace(s)
ALLALL698Spiking AF TracesAFSpiking AF trace(s)
ALLALL6159Dead trace(s)AFAF traces dead
ALLALL4190Spiking AF TracesAFSpiking AF trace(s)
ALLALL4230Spiking AF TracesAFSpiking AF trace(s)
ALLALL8271Noisy Trace(s)AFNoisy 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
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
32303230ALLALLNoise RecordAFSOL Noise Record.
32053205ALLALLBOLAFFirst Production SP.
11441144ALLALLEOLAFLast Production SP.
791791ALLALLRun-outAFLast Run-out Sp.



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: 0067, Line name: GAP07B1856P067, Seismic datatype(s): AF - Locked date: 17-Apr-2007 18:55:11
GENERATED Tuesday, April 17, 2007 6:55:45 PM GMT+00:00