ACQUISITION REPORT

Locked date: 14-Apr-2007 17:12:54


Sequence: 0048, Line name: GAP07B2112P048, Seismic datatype(s): AF


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

Sequence
Line NameGAP07B2112P048
Preplot Line Name2112
Direction17.0°
Chargeable Line Length22537.5m
SOL Time (utc)17:17:49 13-Apr-2007
EOL Time (utc)20:36:34 13-Apr-2007

Attributes
Wind Speed / Direction30.0 / NNE[knots]
Swell Height / Direction3.0 / SE[meters]
Propeller Speed [avg rpm]
Propeller Pitch [avg %]

  SOL EOL 
Bottom Speed4.8344.5[knots]
Water Depth1664.02350.0[meters]
Feather Angle4.4-3.4[deg]
Sources Volume s1,s2 ..3147, 31473147, 3147[cu inch]
Background Noise9.697.62[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)1067 - 1096 1067 - 1096 17:23:33 - 17:27:27 
FSP Start of Line1097 1097 17:17:49 13-Apr-2007 
MSP(midnight sp)   
LSP End of Line2528 2528 20:36:34 13-Apr-2007
EOL Dummy Record(s)2529 - 2538 2529 - 2538 20:36:43 - 20:37:54 
EOL Noise Record(s)   

Line-segments 
SPs Files Times [utc] Type No. CMPs Status Remark
1097-13261097 - 132617:27:34 - 17:56:43Unknown16UnknownShooting on Run-in d/t Client's Request
1327-25281327 - 252817:56:50 - 20:36:35Prime16ValidProduction Shots

Positioning remark 
Proccesed line ok

Shots check in Linda

Acquisition remark 
Shooting on Run-in


Tape-List
 
Stream AF 
Reel Shots Files No. shots Deck Missing Shots Remark
13541067 -  19161067 -  19168501  
13551917 -  25381917 -  25386222  

Stream AF_copy 
Reel Shots Files No. shots Deck Missing Shots Remark
53541067 -  19161067 -  19168504  
53551917 -  25381917 -  25386225  


Annotations
 
NTBP 
Shot(s) File(s) Streamer No(s) Trace(s) Type Seismic datatype Remark
ALLALL4190Spiking AF TracesAFSpiking AF trace(s)
ALLALL4230Spiking AF TracesAFSpiking AF trace(s)
ALLALL8268Noisy Trace(s)AFNoisy trace(s)
ALLALL749Noisy Trace(s)AFNoisy trace(s)
ALLALL698Spiking AF TracesAFSpiking AF trace(s)
ALLALL6159Dead trace(s)AFAF traces dead
ALLALL8271Noisy Trace(s)AFNoisy trace(s)
13001300ALLALLGun disabledAFAll guns disabled for noise record.

Warnings 
Shot(s) File(s) Streamer No(s) Trace(s) Type Seismic datatype Remark
ALLALL7194Weak Trace(s)AFTrace amplitude visibly lower than adjacent traces
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
ALLALL6289Weak 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
20982098ALLALLIncomplete external headerAFBlock TRIGUN missing

Comments 
Shot(s) File(s) Streamer No(s) Trace(s) Type Seismic datatype Remark
10971097ALLALLFSPAFFSP shooting on run in
13001300ALLALLNoise RecordAFSOL Noise Record
13271327ALLALLBOLAFFirst Production Shot Point
25282528ALLALLEOLAFLast Production Shot Point
25322532ALLALLNoise 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: 0048, Line name: GAP07B2112P048, Seismic datatype(s): AF - Locked date: 14-Apr-2007 17:12:54
GENERATED Saturday, April 14, 2007 5:13:35 PM GMT+00:00