ACQUISITION REPORT

Locked date: 10-Apr-2007 03:08:23


Sequence: 0012, Line name: GAP07B1392P012, Seismic datatype(s): AF


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

Sequence
Line NameGAP07B1392P012
Preplot Line Name1392
Direction197.0°
Chargeable Line Length20362.5m
SOL Time (utc)18:59:01 06-Apr-2007
EOL Time (utc)22:01:53 06-Apr-2007

Attributes
Wind Speed / Direction11.0 / SW[knots]
Swell Height / Direction1.5 / SW[meters]
Propeller Speed [avg rpm]
Propeller Pitch [avg %]

  SOL EOL 
Bottom Speed4.9325.0[knots]
Water Depth678.5256.0[meters]
Feather Angle3.9-1.8[deg]
Sources Volume s1,s2 ..3147, 31473157, 3147[cu inch]
Background Noise6.290.0[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)2122 - 2093 2122 - 2093 18:55:19 - 18:58:54 
FSP Start of Line2092 2092 18:59:01 06-Apr-2007 
MSP(midnight sp)  00:00:00 00-???-00
LSP End of Line650 650 22:01:53 06-Apr-2007
EOL Dummy Record(s)649 - 638 649 - 638 22:00:27 - 22:02:03 
EOL Noise Record(s)   

Line-segments 
SPs Files Times [utc] Type No. CMPs Status Remark
2092-10072092 - 100718:59:02 - 21:13:54Prime16Valid 
1006-06501006 - 65021:14:01 - 22:00:17Unknown16UnknownShooting on Run-out at Client's request

Positioning remark 
Line ok

Acquisition remark 
SP. 2122 ................ FDSP.
SP. 2120 ................ BOL Noise Record.
SP. 2092 ................ SOL @ 18:59.
SP. 1007 ................ EOL @ 21:13.
No EOL Noise Record.
SP. 1006 ................ Start Shooting on Run Out.
SP. 645 ................ Last Good Run Out Shot Point.


Tape-List
 
Stream AF 
Reel Shots Files No. shots Deck Missing Shots Remark
12742122 -  12732122 -  12738503  
12751272 -  6381272 -  6386351  

Stream AF_copy 
Reel Shots Files No. shots Deck Missing Shots Remark
52742122 -  12732122 -  12738506  
52751272 -  6381272 -  6386354  


Annotations
 
NTBP 
Shot(s) File(s) Streamer No(s) Trace(s) Type Seismic datatype Remark
19101910ALLALLIncomplete external headerAFBlock TRIGUN missing
19051905ALLALLIncomplete external headerAFBlock TRIGUN missing
17751775ALLALLIncomplete external headerAFBlock TRIGUN missing
15111511ALLALLIncomplete external headerAFBlock TRIGUN missing
14571457ALLALLIncomplete external headerAFBlock TRIGUN missing
14151415ALLALLIncomplete external headerAFBlock TRIGUN missing
11971197ALLALLIncomplete external headerAFBlock TRIGUN missing
10301030ALLALLIncomplete external headerAFBlock TRIGUN missing
ALLALL330-31Noisy Trace(s)AFNoisy trace(s)
ALLALL3296-297Noisy Trace(s)AFNoisy trace(s)
ALLALL4222-223Noisy Trace(s)AFNoisy trace(s)
ALLALL1106-107Noisy Trace(s)AFNoisy trace(s)
ALLALL749Noisy Trace(s)AFNoisy trace(s)
ALLALL282Noisy Trace(s)AFNoisy trace(s)
ALLALL698Spiking AF TracesAFSpiking AF trace(s)
ALLALL6128Spiking AF TracesAFSpiking AF trace(s)
ALLALL6130Spiking AF TracesAFSpiking AF trace(s)
ALLALL6131Spiking 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)
ALLALL4190Dead trace(s)AFAF traces dead
ALLALL8271Spiking AF TracesAFSpiking AF trace(s)
ALLALL3309Spiking AF TracesAFSpiking AF trace(s)

Warnings 
Shot(s) File(s) Streamer No(s) Trace(s) Type Seismic datatype Remark
ALLALL2ALLWeak 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
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
ALLALL3305Weak 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
2120-21192120-2119ALLALLNoise RecordAFSOL 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: 0012, Line name: GAP07B1392P012, Seismic datatype(s): AF - Locked date: 10-Apr-2007 03:08:23
GENERATED Tuesday, April 10, 2007 3:11:34 AM GMT+00:00