ACQUISITION REPORT

Locked date: 11-Apr-2007 04:17:59


Sequence: 0027, Line name: GAP07B1216P027, Seismic datatype(s): AF


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

Sequence
Line NameGAP07B1216P027
Preplot Line Name1216
Direction17.0°
Chargeable Line Length21337.5m
SOL Time (utc)14:50:06 09-Apr-2007
EOL Time (utc)17:43:58 09-Apr-2007

Attributes
Wind Speed / Direction8.0 / NW[knots]
Swell Height / Direction1.0 / NE[meters]
Propeller Speed [avg rpm]
Propeller Pitch [avg %]

  SOL EOL 
Bottom Speed4.784.85[knots]
Water Depth188.250.0[meters]
Feather Angle4.8-6.6[deg]
Sources Volume s1,s2 ..3147, 31473147, 3147[cu inch]
Background Noise5.214.23[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)803 - 832 803 - 832 14:46:37 - 14:50:37 
FSP Start of Line833 833 14:50:06 09-Apr-2007 
MSP(midnight sp)  00:00:00 00-???-00
LSP End of Line2200 2200 17:43:58 09-Apr-2007
EOL Dummy Record(s)2201 - 2210 2201 - 2210 17:44:06 - 17:45:14 
EOL Noise Record(s)   

Line-segments 
SPs Files Times [utc] Type No. CMPs Status Remark
0833-1062833 - 106214:50:44 - 15:19:59Unknown16UnknownShooting on Run In upon Client's request
1063-22001063 - 220015:20:06 - 17:43:59Prime16ValidProduction Shots

Positioning remark 
 

Acquisition remark 
SP's. 833-1062.. Shooting on Run-in.
SP. 1040 ........... SOL Noise record.
SP. 1063 ........... BOL/FSP. @ 15:20
SP. 2200 ........... EOL/LSP. @ 17:43
SP. 2205 ........... EOL Noise Record.


Tape-List
 
Stream AF 
Reel Shots Files No. shots Deck Missing Shots Remark
1309803 -  1292803 -  12924902 Copied from copy d/t missing eof mark
13101293 -  21421293 -  21428503  
13112143 -  22102143 -  2210681  

Stream AF_copy 
Reel Shots Files No. shots Deck Missing Shots Remark
5309803 -  1299803 -  12994975  
53101300 -  21421300 -  21428436  
53112143 -  22102143 -  2210684  


Annotations
 
NTBP 
Shot(s) File(s) Streamer No(s) Trace(s) Type Seismic datatype Remark
ALLALL3296-297Noisy Trace(s)AFNoisy trace(s)
ALLALL3305Spiking AF TracesAFSpiking AF trace(s)
ALLALL749Noisy Trace(s)AFNoisy trace(s)
ALLALL698Noisy Trace(s)AFNoisy trace(s)
ALLALL6133Spiking AF TracesAFSpiking AF trace(s)
ALLALL6159Dead trace(s)AFAF traces dead
ALLALL4190Spiking AF TracesAFSpiking AF trace(s)
ALLALL8271Spiking AF TracesAFSpiking AF trace(s)
ALLALL3309Spiking AF TracesAFSpiking AF trace(s)
ALLALL8319Dead trace(s)AFAF traces dead
11251125ALLALLIncomplete external headerAFBlock TRIGUN missing
115811586131Spiking AF TracesAFSpiking AF trace(s)
115811586128Spiking AF TracesAFSpiking AF trace(s)
115811586130Spiking AF TracesAFSpiking AF trace(s)
115811586135Spiking AF TracesAFSpiking AF trace(s)
137813785105-106Spiking AF TracesAFSpiking AF trace(s)
14361436ALLALLIncomplete external headerAFBlock TRIGUN missing
16701670ALLALLIncomplete external headerAFBlock TRIGUN missing
19901990ALLALLIncomplete external headerAFBlock TRIGUN missing

Warnings 
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)
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
ALLALL8292Weak Trace(s)AFTrace amplitude visibly lower than adjacent traces
14931493ALLALLGun timing errorAFTD Gun 3-5 error (ms) : -1.3

Comments 
Shot(s) File(s) Streamer No(s) Trace(s) Type Seismic datatype Remark
10401040ALLALLNoise RecordAFSOL Noise Record
22052205ALLALLNoise 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: 0027, Line name: GAP07B1216P027, Seismic datatype(s): AF - Locked date: 11-Apr-2007 04:17:59
GENERATED Wednesday, April 11, 2007 4:18:55 AM GMT+00:00