ACQUISITION REPORT

Locked date: 14-Apr-2007 17:12:55


Sequence: 0050, Line name: GAP07B1952P050, Seismic datatype(s): AF


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

Sequence
Line NameGAP07B1952P050
Preplot Line Name1952
Direction17.0°
Chargeable Line Length36393.75m
SOL Time (utc)03:38:38 14-Apr-2007
EOL Time (utc)08:18:33 14-Apr-2007

Attributes
Wind Speed / Direction8.0 / NNE[knots]
Swell Height / Direction2.0 / NE[meters]
Propeller Speed126[avg rpm]
Propeller Pitch63[avg %]

  SOL EOL 
Bottom Speed4.84.5[knots]
Water Depth0.02578.0[meters]
Feather Angle3.7-0.3[deg]
Sources Volume s1,s2 ..3147, 31473147, 3147[cu inch]
Background Noise8.10.0[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)1019 - 1048 1019 - 1048 03:34:25 - 03:38:03 
FSP Start of Line1049 1049 03:38:38 14-Apr-2007 
MSP(midnight sp)   
LSP End of Line3219 3219 08:18:33 14-Apr-2007
EOL Dummy Record(s)3220 - 3229 3220 - 3229 08:18:42 - 08:19:54 
EOL Noise Record(s)   

Line-segments 
SPs Files Times [utc] Type No. CMPs Status Remark
1049-12781049 - 127803:38:11 - 04:06:31Unknown16UnknownShooting on Run-in.
1279-32191279 - 321904:06:39 - 08:18:33Prime16ValidProduction SP.

Positioning remark 
 

Acquisition remark 
Shooting on Run-in.


Tape-List
 
Stream AF 
Reel Shots Files No. shots Deck Missing Shots Remark
13581019 -  18681019 -  18688502  
13591869 -  27181869 -  27188503  
13602719 -  32292719 -  32295111  

Stream AF_copy 
Reel Shots Files No. shots Deck Missing Shots Remark
53581019 -  18681019 -  18688505  
53591869 -  27181869 -  27188506  
53602719 -  32292719 -  32295114  


Annotations
 
NTBP 
Shot(s) File(s) Streamer No(s) Trace(s) Type Seismic datatype Remark
ALLALL749Noisy Trace(s)AFNoisy trace(s)
ALLALL698Spiking AF TracesAFSpiking AF trace(s)
ALLALL6159Dead trace(s)AFAF traces dead
ALLALL4190Spiking AF TracesAFSpiking AF trace(s)
ALLALL4230Spiking AF TracesAFSpiking AF trace(s)
ALLALL8268Noisy Trace(s)AFNoisy trace(s)
ALLALL8271Noisy Trace(s)AFNoisy trace(s)
13191319ALLALLIncomplete external headerAFBlock TRIGUN missing
13831383ALLALLIncomplete external headerAFBlock TRIGUN missing
16981698ALLALLIncomplete external headerAFBlock TRIGUN missing
17551755ALLALLIncomplete external headerAFBlock TRIGUN missing
18411841ALLALLIncomplete external headerAFBlock TRIGUN missing
18521852ALLALLIncomplete external headerAFBlock TRIGUN missing
20472047ALLALLIncomplete external headerAFBlock TRIGUN missing
21182118ALLALLIncomplete external headerAFBlock TRIGUN missing
23352335ALLALLIncomplete external headerAFBlock TRIGUN missing
23382338ALLALLIncomplete external headerAFBlock TRIGUN missing
23952395ALLALLIncomplete external headerAFBlock TRIGUN missing
27442744ALLALLIncomplete 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
ALLALL7194Weak 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

Comments 
Shot(s) File(s) Streamer No(s) Trace(s) Type Seismic datatype Remark
10221022ALLALLNoise RecordAFSOL Noise Record.
10491049ALLALLFSPAFFSP Shooting on Run-in.
12791279ALLALLBOLAFFirst Production SP.
32193219ALLALLEOLAFLast Production SP.
32223222ALLALLNoise 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: 0050, Line name: GAP07B1952P050, Seismic datatype(s): AF - Locked date: 14-Apr-2007 17:12:55
GENERATED Saturday, April 14, 2007 5:14:17 PM GMT+00:00