ACQUISITION REPORT

Locked date: 21-Apr-2007 05:40:25


Sequence: 0082, Line name: GAP07B2096J082, Seismic datatype(s): AF


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

Sequence
Line NameGAP07B2096J082
Preplot Line Name2096
Direction17.0°
Chargeable Line Length20606.25m
SOL Time (utc)12:54:03 20-Apr-2007
EOL Time (utc)15:46:42 20-Apr-2007

Attributes
Wind Speed / Direction6.0 / NE[knots]
Swell Height / Direction1.5 / NW[meters]
Propeller Speed [avg rpm]
Propeller Pitch [avg %]

  SOL EOL 
Bottom Speed4.44.9[knots]
Water Depth0.02358.0[meters]
Feather Angle4.10.4[deg]
Sources Volume s1,s2 ..3147, 31473147, 3147[cu inch]
Background Noise10.864.09[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)1062 - 1091 1062 - 1091 12:49:37 - 12:53:55 
FSP Start of Line1092 1092 12:54:03 20-Apr-2007 
MSP(midnight sp)   
LSP End of Line2420 2420 15:46:42 20-Apr-2007
EOL Dummy Record(s)2421 - 2430 2421 - 2430 15:46:50 - 15:47:57 
EOL Noise Record(s)   

Line-segments 
SPs Files Times [utc] Type No. CMPs Status Remark
1092-13211092 - 132112:54:04 - 13:26:55Unknown16UnknownShooting on run in
1322-24201322 - 242013:27:03 - 15:46:43Prime16ValidProduction Shotpoints

Positioning remark 
P190 made for SP 1092-2420. line Good

Acquisition remark 
Shooting on Run-in


Tape-List
 
Stream AF 
Reel Shots Files No. shots Deck Missing Shots Remark
14301062 -  19111062 -  19118502  
14311912 -  24301912 -  24305193  

Stream AF_copy 
Reel Shots Files No. shots Deck Missing Shots Remark
54301062 -  19111062 -  19118505  
54311912 -  24301912 -  24305196  


Annotations
 
NTBP 
Shot(s) File(s) Streamer No(s) Trace(s) Type Seismic datatype Remark
ALLALL4222-223Noisy Trace(s)AFNoisy trace(s)
ALLALL8212-213Noisy Trace(s)AFNoisy trace(s)
ALLALL1106-107Noisy Trace(s)AFNoisy trace(s)
ALLALL321Spiking AF TracesAFSpiking AF trace(s)
ALLALL749Noisy Trace(s)AFNoisy trace(s)
ALLALL874Noisy Trace(s)AFNoisy trace(s)
ALLALL698Noisy Trace(s)AFNoisy trace(s)
ALLALL3128Noisy Trace(s)AFNoisy trace(s)
ALLALL6159Dead trace(s)AFAF traces dead
ALLALL2161Noisy Trace(s)AFNoisy trace(s)
ALLALL4190Spiking AF TracesAFSpiking AF trace(s)
ALLALL8220Spiking AF TracesAFSpiking AF trace(s)
ALLALL4230Spiking AF TracesAFSpiking AF trace(s)
ALLALL8249Spiking AF TracesAFSpiking AF trace(s)
ALLALL8258Spiking AF TracesAFSpiking AF trace(s)
ALLALL8271Noisy Trace(s)AFNoisy trace(s)
1322-14271322-14278269Spiking AF TracesAFSpiking AF trace(s)
138513858296Spiking AF TracesAFSpiking AF 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
14061406ALLALLIncomplete external headerAFBlock TRIGUN missing
14981498ALLALLIncomplete external headerAFBlock TRIGUN missing
19661966ALLALLIncomplete external headerAFBlock TRIGUN missing
19791979ALLALLIncomplete external headerAFBlock TRIGUN missing
21252125ALLALLIncomplete external headerAFBlock TRIGUN missing
23872387ALLALLIncomplete external headerAFBlock TRIGUN missing

Comments 
Shot(s) File(s) Streamer No(s) Trace(s) Type Seismic datatype Remark
10651065ALLALLNoise RecordAFSOL Noise Record
10921092ALLALLRun-inAFFirst Run-in SP
13221322ALLALLBOLAFFirst Production SP
24202420ALLALLEOLAFLast Production Shot Point
24252425ALLALLNoise 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: 0082, Line name: GAP07B2096J082, Seismic datatype(s): AF - Locked date: 21-Apr-2007 05:40:25
GENERATED Saturday, April 21, 2007 5:40:52 AM GMT+00:00