ACQUISITION REPORT

Locked date: 22-Apr-2007 14:33:16


Sequence: 0089, Line name: GAP07B2080P089, Seismic datatype(s): AF


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

Sequence
Line NameGAP07B2080P089
Preplot Line Name2080
Direction17.0°
Chargeable Line Length25312.5m
SOL Time (utc)18:33:59 21-Apr-2007
EOL Time (utc)21:57:47 21-Apr-2007

Attributes
Wind Speed / Direction18.0 / SE[knots]
Swell Height / Direction2.0 / SE[meters]
Propeller Speed [avg rpm]
Propeller Pitch [avg %]

  SOL EOL 
Bottom Speed4.354.7[knots]
Water Depth1577.32300.0[meters]
Feather Angle1.11.6[deg]
Sources Volume s1,s2 ..3147, 31473147, 3147[cu inch]
Background Noise4.530.0[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)1057 - 1086 1057 - 1086 18:29:46 - 18:33:52 
FSP Start of Line1087 1087 18:33:59 21-Apr-2007 
MSP(midnight sp)   
LSP End of Line2666 2666 21:57:47 21-Apr-2007
EOL Dummy Record(s)2667 - 2676 2667 - 2676 21:57:56 - 21:59:04 
EOL Noise Record(s)   

Line-segments 
SPs Files Times [utc] Type No. CMPs Status Remark
1087-13161087 - 131618:34:00 - 19:06:12Unknown16UnknownShooting on run in
1317-26661317 - 266619:06:21 - 21:57:48Prime16ValidProduction Shots

Positioning remark 
P190 made for SP 1087-2666. Line good

Acquisition remark 
Shooting on run out


Tape-List
 
Stream AF 
Reel Shots Files No. shots Deck Missing Shots Remark
14451057 -  19061057 -  19068502  
14461907 -  26761907 -  26767703  

Stream AF_copy 
Reel Shots Files No. shots Deck Missing Shots Remark
54451057 -  19061057 -  19068505  
54461907 -  26761907 -  26767706  


Annotations
 
NTBP 
Shot(s) File(s) Streamer No(s) Trace(s) Type Seismic datatype Remark
ALLALL8141, 220Spiking AF TracesAFSpiking AF trace(s)
ALLALL170, 106-107Noisy Trace(s)AFNoisy trace(s)
ALLALL4222-223Noisy Trace(s)AFNoisy trace(s)
ALLALL874Noisy Trace(s)AFNoisy trace(s)
ALLALL7113Noisy Trace(s)AFNoisy trace(s)
ALLALL3128Noisy Trace(s)AFNoisy trace(s)
888-882ALLALLDNPAFDo Not Process. Navigation unable to resolve data.
11591159650-51Spiking AF TracesAFSpiking AF trace(s)
1299-13001299-1300ALLALLGun disabledAFALL Guns Disabled for SOL Noise Record
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)
139813982207-208Spiking AF TracesAFSpiking AF trace(s)
142514255100-101Spiking AF TracesAFSpiking AF trace(s)
14251425740Spiking AF TracesAFSpiking AF trace(s)
14701470275-76Spiking AF TracesAFSpiking AF trace(s)
14701470233-34Spiking AF TracesAFSpiking AF trace(s)

Warnings 
Shot(s) File(s) Streamer No(s) Trace(s) Type Seismic datatype Remark
ALLALL8225, 230Weak 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
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
14871487ALLALLIncomplete external headerAFBlock TRIGUN missing
20572057ALLALLIncomplete external headerAFBlock TRIGUN missing
21822182ALLALLIncomplete external headerAFBlock TRIGUN missing
26622662ALLALLIncomplete external headerAFBlock TRIGUN missing

Comments 
Shot(s) File(s) Streamer No(s) Trace(s) Type Seismic datatype Remark
10871087ALLALLRun-In SPAFFirst Run-In Shot Point
13001300ALLALLNoise RecordAFSOL Noise Record
13171317ALLALLSOLAFFirst Production Shot Point
26662666ALLALLEOLAFLast production SP
26702670ALLALLNoise 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: 0089, Line name: GAP07B2080P089, Seismic datatype(s): AF - Locked date: 22-Apr-2007 14:33:16
GENERATED Sunday, April 22, 2007 5:03:22 PM GMT+00:00