ACQUISITION REPORT

Locked date: 16-Apr-2007 17:14:56


Sequence: 0056, Line name: GAP07B2144P056, Seismic datatype(s): AF


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

Sequence
Line NameGAP07B2144P056
Preplot Line Name2144
Direction17.0°
Chargeable Line Length19781.25m
SOL Time (utc)15:37:19 15-Apr-2007
EOL Time (utc)18:35:24 15-Apr-2007

Attributes
Wind Speed / Direction10.0 / SW[knots]
Swell Height / Direction1.5 / SW[meters]
Propeller Speed [avg rpm]
Propeller Pitch [avg %]

  SOL EOL 
Bottom Speed4.44.9[knots]
Water Depth1646.02418.0[meters]
Feather Angle5.51.3[deg]
Sources Volume s1,s2 ..3147, 31473147, 3147[cu inch]
Background Noise6.114.31[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)1076 - 1105 1076 - 1105 15:33:03 - 15:37:10 
FSP Start of Line1106 1106 15:37:19 15-Apr-2007 
MSP(midnight sp)   
LSP End of Line2390 2390 18:35:24 15-Apr-2007
EOL Dummy Record(s)2391 - 2400 2391 - 2400 18:35:34 - 18:36:50 
EOL Noise Record(s)   

Line-segments 
SPs Files Times [utc] Type No. CMPs Status Remark
1106-13351106 - 133515:37:19 - 16:09:05Unknown16UnknownShooting on Run-In
1336-23901336 - 239016:09:13 - 18:35:25Prime16ValidProduction Shots

Positioning remark 
P190 made for SP 1106-2390, line OK


Acquisition remark 
Shooting on Run-in


Tape-List
 
Stream AF 
Reel Shots Files No. shots Deck Missing Shots Remark
13741076 -  19251076 -  19258501  
13751926 -  24001926 -  24004752  

Stream AF_copy 
Reel Shots Files No. shots Deck Missing Shots Remark
53741076 -  19251076 -  19258504  
53751926 -  24001926 -  24004755  


Annotations
 
NTBP 
Shot(s) File(s) Streamer No(s) Trace(s) Type Seismic datatype Remark
ALLALL8271Spiking AF TracesAFSpiking AF trace(s)
ALLALL5272Spiking AF TracesAFSpiking AF trace(s)
13061306ALLALLGun disabledAFALL Guns Disabled
ALLALL8212-213Noisy Trace(s)AFNoisy trace(s)
ALLALL4222-223Noisy Trace(s)AFNoisy trace(s)
ALLALL749Noisy Trace(s)AFNoisy trace(s)
ALLALL698Spiking AF TracesAFSpiking AF trace(s)
ALLALL6159Dead trace(s)AFAF traces dead
ALLALL4190Dead trace(s)AFAF traces dead
ALLALL8257Noisy Trace(s)AFNoisy trace(s)

Warnings 
Shot(s) File(s) Streamer No(s) Trace(s) Type Seismic datatype Remark
ALLALL8319Weak 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
17201720ALLALLIncomplete external headerAFBlock TRIGUN missing
22752275ALLALLIncomplete external headerAFBlock TRIGUN missing
23122312ALLALLIncomplete external headerAFBlock TRIGUN missing

Comments 
Shot(s) File(s) Streamer No(s) Trace(s) Type Seismic datatype Remark
11061106ALLALLPositioningAFFirst Run-In Shot Point
13061306ALLALLNoise RecordAFSOL Noise Record
13361336ALLALLBOLAFFirst Production Shot Point
23902390ALLALLEOLAFLast Production Shot Point
23952395ALLALLNoise 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: 0056, Line name: GAP07B2144P056, Seismic datatype(s): AF - Locked date: 16-Apr-2007 17:14:56
GENERATED Monday, April 16, 2007 5:15:35 PM GMT+00:00