ACQUISITION REPORT

Locked date: 11-Apr-2007 04:44:20


Sequence: 0032, Line name: GAP07B1552P032, Seismic datatype(s): AF


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

Sequence
Line NameGAP07B1552P032
Preplot Line Name1552
Direction197.0°
Chargeable Line Length17006.25m
SOL Time (utc)13:12:39 10-Apr-2007
EOL Time (utc)15:07:51 10-Apr-2007

Attributes
Wind Speed / Direction15.0 / SE[knots]
Swell Height / Direction1.5 / S[meters]
Propeller Speed125[avg rpm]
Propeller Pitch65[avg %]

  SOL EOL 
Bottom Speed4.94.83[knots]
Water Depth1333.0517.75[meters]
Feather Angle-2.12.1[deg]
Sources Volume s1,s2 ..3147, 31473147, 3147[cu inch]
Background Noise4.786.04[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)1991 - 1962 1991 - 1962 13:08:54 - 13:12:32 
FSP Start of Line1961 1961 13:12:39 10-Apr-2007 
MSP(midnight sp)   
LSP End of Line625 625 15:07:51 10-Apr-2007
EOL Dummy Record(s)624 - 614 624 - 614 16:06:14 - 16:07:48 
EOL Noise Record(s)   

Line-segments 
SPs Files Times [utc] Type No. CMPs Status Remark
1961-10551961 - 105513:12:40 - 15:07:52Prime16ValidProduction Shots
1053-06251053 - 62515:08:07 - 16:06:00Unknown16UnknownShooting on Run Out upon Client's Request

Positioning remark 
P190 made for SP 1961-625. Line Ok

Acquisition remark 
Sp' 1991 : FDSP
Sp' 1989 : SOL Noise Record
Sp' 1961 : FSP @ 13:12
Sp' 1055 : LSP @ 15:07 EOL
Sp' 1054 : EOL Noise Record
Sp' 1053-625 : Shooting on Run-out





Tape-List
 
Stream AF 
Reel Shots Files No. shots Deck Missing Shots Remark
13211991 -  11351991 -  11358571  
13221134 -  6141134 -  6145212  

Stream AF_copy 
Reel Shots Files No. shots Deck Missing Shots Remark
53211991 -  11421991 -  11428504  
53221141 -  6141141 -  6145285  


Annotations
 
NTBP 
Shot(s) File(s) Streamer No(s) Trace(s) Type Seismic datatype Remark
ALLALL1106-107Noisy Trace(s)AFNoisy trace(s)
ALLALL3296-297Noisy Trace(s)AFNoisy trace(s)
ALLALL4222-223Noisy Trace(s)AFNoisy trace(s)
ALLALL8212-213Noisy Trace(s)AFNoisy trace(s)
ALLALL749Noisy Trace(s)AFNoisy trace(s)
ALLALL874Noisy Trace(s)AFNoisy trace(s)
ALLALL698Noisy Trace(s)AFNoisy trace(s)
ALLALL6128Spiking AF TracesAFSpiking AF trace(s)
ALLALL6130Spiking AF TracesAFSpiking AF trace(s)
ALLALL6133Spiking AF TracesAFSpiking AF trace(s)
ALLALL6135Spiking AF TracesAFSpiking AF trace(s)
ALLALL6159Dead trace(s)AFAF traces dead
ALLALL2161Noisy Trace(s)AFNoisy trace(s)
ALLALL4190Spiking AF TracesAFSpiking AF trace(s)
ALLALL7194Dead trace(s)AFAF traces dead
ALLALL4229Spiking AF TracesAFSpiking AF trace(s)
ALLALL8258Noisy Trace(s)AFNoisy trace(s)
ALLALL8271Noisy Trace(s)AFNoisy trace(s)
ALLALL3305Spiking AF TracesAFSpiking AF trace(s)
ALLALL3309Spiking AF TracesAFSpiking AF trace(s)
ALLALL8319Weak Trace(s)AFTrace amplitude visibly lower than adjacent traces
18291829ALLALLIncomplete external headerAFBlock TRIACQ missing
18281828ALLALLIncomplete external headerAFBlock TRIACQ missing
18271827ALLALLIncomplete external headerAFBlock TRIACQ missing
18261826ALLALLIncomplete external headerAFBlock TRIACQ missing
18251825ALLALLIncomplete external headerAFBlock TRIACQ missing
18241824ALLALLIncomplete external headerAFBlock TRIACQ missing
15961596ALLALLIncomplete external headerAFBlock TRIGUN missing
14481448ALLALLIncomplete external headerAFBlock TRIGUN missing
13171317ALLALLIncomplete external headerAFBlock TRIGUN missing

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
ALLALL6289Weak Trace(s)AFTrace amplitude visibly lower than adjacent traces
ALLALL8292Weak Trace(s)AFTrace amplitude visibly lower than adjacent traces

Comments 
Shot(s) File(s) Streamer No(s) Trace(s) Type Seismic datatype Remark
19891989ALLALLNoise RecordAFSOL Noise Record
10541054ALLALLNoise 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: 0032, Line name: GAP07B1552P032, Seismic datatype(s): AF - Locked date: 11-Apr-2007 04:44:20
GENERATED Wednesday, April 11, 2007 4:45:01 AM GMT+00:00