ACQUISITION REPORT

Locked date: 12-Apr-2007 20:59:34


Sequence: 0039, Line name: GAP07B1360A039, Seismic datatype(s): AF


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

Sequence
Line NameGAP07B1360A039
Preplot Line Name1360
Direction197.0°
Chargeable Line Length6450.0m
SOL Time (utc)17:54:26 11-Apr-2007
EOL Time (utc)18:38:34 11-Apr-2007

Attributes
Wind Speed / Direction5.0 / NNW[knots]
Swell Height / Direction1.0 / NE[meters]
Propeller Speed [avg rpm]
Propeller Pitch [avg %]

  SOL EOL 
Bottom Speed4.5824.78[knots]
Water Depth393.75231.0[meters]
Feather Angle-7.3-4.9[deg]
Sources Volume s1,s2 ..3147, 31473147, 3147[cu inch]
Background Noise6.06.75[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)1371 - 1342 1371 - 1342 17:50:32 - 17:54:19 
FSP Start of Line1341 1341 17:54:26 11-Apr-2007 
MSP(midnight sp)   
LSP End of Line775 775 18:38:34 11-Apr-2007
EOL Dummy Record(s)774 - 764 774 - 764 19:11:28 - 19:12:57 
EOL Noise Record(s)   

Line-segments 
SPs Files Times [utc] Type No. CMPs Status Remark
1341-09981341 - 99817:54:27 - 18:38:35Reshoot16ValidProduction Shots - Reshoot of Seq-008
0997-0775997 - 77518:38:42 - 19:11:19Unknown16UnknownShooting on Run-out at Client's Request

Positioning remark 
P190 made for SP 1341-775. Line Good
Reshoot of seq008+shooting on runout at client's request

Acquisition remark 
Shooting on Run-out


Tape-List
 
Stream AF 
Reel Shots Files No. shots Deck Missing Shots Remark
13341371 -  7641371 -  7646082  

Stream AF_copy 
Reel Shots Files No. shots Deck Missing Shots Remark
53341371 -  7641371 -  7646085  


Annotations
 
NTBP 
Shot(s) File(s) Streamer No(s) Trace(s) Type Seismic datatype Remark
ALLALL3296-297Noisy Trace(s)AFNoisy trace(s)
ALLALL8212-213Noisy Trace(s)AFNoisy trace(s)
ALLALL749Noisy Trace(s)AFNoisy trace(s)
ALLALL698Spiking AF TracesAFSpiking AF trace(s)
ALLALL6133Spiking AF TracesAFSpiking AF trace(s)
ALLALL4190Spiking AF TracesAFSpiking AF trace(s)
ALLALL8258Noisy Trace(s)AFNoisy trace(s)
ALLALL8271Noisy Trace(s)AFNoisy trace(s)
ALLALL3309Spiking AF TracesAFSpiking AF trace(s)
ALLALL6130-131Spiking AF TracesAFSpiking AF trace(s)
ALLALL6135-136Spiking AF TracesAFSpiking AF trace(s)
ALLALL874Noisy Trace(s)AFNoisy trace(s)
ALLALL6128Spiking AF TracesAFSpiking AF trace(s)
ALLALL2161Noisy Trace(s)AFNoisy trace(s)
ALLALL4230Spiking AF TracesAFSpiking AF trace(s)
ALLALL3305Noisy 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
ALLALL6159Weak Trace(s)AFTrace amplitude visibly lower than adjacent traces
ALLALL7194Weak Trace(s)AFTrace amplitude visibly lower than adjacent traces
ALLALL8319Weak Trace(s)AFTrace amplitude visibly lower than adjacent traces
11571157ALLALLIncomplete external headerAFBlock TRIGUN missing
10331033ALLALLIncomplete external headerAFBlock TRIACQ missing
10321032ALLALLIncomplete external headerAFBlock TRIACQ missing
10311031ALLALLIncomplete external headerAFBlock TRIACQ missing
10301030ALLALLIncomplete external headerAFBlock TRIACQ missing
10291029ALLALLIncomplete external headerAFBlock TRIACQ missing
10151015ALLALLIncomplete external headerAFBlock TRIGUN missing

Comments 
Shot(s) File(s) Streamer No(s) Trace(s) Type Seismic datatype Remark
13701370ALLALLNoise RecordAFSOL Noise Record
13411341ALLALLPositioningAFFirst Production Shot Point
998998ALLALLPositioningAFLast Reshoot Shot Point
996996ALLALLNoise 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: 0039, Line name: GAP07B1360A039, Seismic datatype(s): AF - Locked date: 12-Apr-2007 20:59:34
GENERATED Thursday, April 12, 2007 9:00:34 PM GMT+00:00