ACQUISITION REPORT

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


Sequence: 0040, Line name: GAP07B1056A040, Seismic datatype(s): AF


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

Sequence
Line NameGAP07B1056A040
Preplot Line Name1056
Direction17.0°
Chargeable Line Length14568.75m
SOL Time (utc)20:46:32 11-Apr-2007
EOL Time (utc)22:25:59 11-Apr-2007

Attributes
Wind Speed / Direction10.0 / WNW[knots]
Swell Height / Direction1.5 / ESE[meters]
Propeller Speed126[avg rpm]
Propeller Pitch61[avg %]

  SOL EOL 
Bottom Speed4.7644.851[knots]
Water Depth344.5528.75[meters]
Feather Angle-0.6-5.6[deg]
Sources Volume s1,s2 ..3147, 31473147, 3147[cu inch]
Background Noise5.074.46[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)1164 - 1193 1164 - 1193 20:42:41 - 20:46:25 
FSP Start of Line1194 1194 20:46:32 11-Apr-2007 
MSP(midnight sp)   
LSP End of Line1970 1970 22:25:59 11-Apr-2007
EOL Dummy Record(s)1971 - 1980 1971 - 1980 22:26:07 - 22:27:15 
EOL Noise Record(s)   

Line-segments 
SPs Files Times [utc] Type No. CMPs Status Remark
1194-19701194 - 197020:46:33 - 22:25:59Reshoot16ValidProduction Shots - Reshoot of Seq-007

Positioning remark 
P190 made for SP 1194-1970. Line Good
Line includes 10 overlap shots on both sides

Acquisition remark 
 


Tape-List
 
Stream AF 
Reel Shots Files No. shots Deck Missing Shots Remark
13351164 -  19801164 -  19808173  

Stream AF_copy 
Reel Shots Files No. shots Deck Missing Shots Remark
53351164 -  19801164 -  19808176  


Annotations
 
NTBP 
Shot(s) File(s) Streamer No(s) Trace(s) Type Seismic datatype Remark
ALLALL3296-297Noisy Trace(s)AFNoisy trace(s)
ALLALL6135-136Spiking AF TracesAFSpiking AF trace(s)
ALLALL874Noisy Trace(s)AFNoisy trace(s)
ALLALL698Spiking AF TracesAFSpiking AF trace(s)
ALLALL6128Spiking AF TracesAFSpiking AF trace(s)
ALLALL6130Spiking AF TracesAFSpiking AF trace(s)
ALLALL6133Spiking AF TracesAFSpiking AF trace(s)
ALLALL4230Spiking AF TracesAFSpiking AF trace(s)
ALLALL3305Spiking AF TracesAFSpiking AF trace(s)
ALLALL3309Spiking AF TracesAFSpiking AF trace(s)
ALLALL330-31Noisy Trace(s)AFNoisy trace(s)
ALLALL8212-213Noisy Trace(s)AFNoisy trace(s)
ALLALL749Noisy Trace(s)AFNoisy trace(s)
ALLALL6159Dead trace(s)AFAF traces dead
ALLALL2161Noisy Trace(s)AFNoisy trace(s)
ALLALL4190Dead trace(s)AFAF traces dead
ALLALL8258Noisy Trace(s)AFNoisy trace(s)
ALLALL8271Noisy Trace(s)AFNoisy trace(s)
126812685190Spiking AF TracesAFSpiking AF trace(s)
14121412493-94Spiking AF TracesAFSpiking AF trace(s)

Warnings 
Shot(s) File(s) Streamer No(s) Trace(s) Type Seismic datatype Remark
ALLALL7194Weak 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
ALLALL6289Weak Trace(s)AFTrace amplitude visibly lower than adjacent traces
ALLALL8292Weak Trace(s)AFTrace amplitude visibly lower than adjacent traces
ALLALL8319Weak Trace(s)AFTrace amplitude visibly lower than adjacent traces
12731273ALLALLIncomplete external headerAFBlock TRIGUN missing

Comments 
Shot(s) File(s) Streamer No(s) Trace(s) Type Seismic datatype Remark
11661166ALLALLNoise RecordAFSOL Noise Record
11941194ALLALLBOLAFFirst Production Shot Point
19701970ALLALLEOLAFLast Production Shot Point
19751975ALLALLNoise 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: 0040, Line name: GAP07B1056A040, Seismic datatype(s): AF - Locked date: 12-Apr-2007 20:59:34
GENERATED Thursday, April 12, 2007 9:01:01 PM GMT+00:00