ACQUISITION REPORT

Locked date: 10-Apr-2007 03:08:24


Sequence: 0013, Line name: GAP07B1104P013, Seismic datatype(s): AF


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

Sequence
Line NameGAP07B1104P013
Preplot Line Name1104
Direction17.0°
Chargeable Line Length21975.0m
SOL Time (utc)23:27:04 06-Apr-2007
EOL Time (utc)01:56:11 07-Apr-2007

Attributes
Wind Speed / Direction12.0 / SE[knots]
Swell Height / Direction1.5 / SE[meters]
Propeller Speed [avg rpm]
Propeller Pitch [avg %]

  SOL EOL 
Bottom Speed5.14.64[knots]
Water Depth0.0309.0[meters]
Feather Angle3.35.31[deg]
Sources Volume s1,s2 ..3147, 31473157, 3147[cu inch]
Background Noise4.585.31[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)770 - 799 770 - 799 22:54:37 - 22:58:23 
FSP Start of Line800 800 23:27:04 06-Apr-2007 
MSP(midnight sp)1291 1291 23:59:54 06-Apr-2007
LSP End of Line2201 2201 01:56:11 07-Apr-2007
EOL Dummy Record(s)2202 - 2211 2202 - 2211 01:56:19 - 01:57:30 
EOL Noise Record(s)   

Line-segments 
SPs Files Times [utc] Type No. CMPs Status Remark
0800-1029800 - 102922:58:31 - 23:26:58Unknown16UnknownShooting on Run In d/t Client's Request
1030-22011030 - 220123:27:05 - 01:56:11Prime16Valid 

Positioning remark 
 

Acquisition remark 
FDSP. 770
Shooting in Run In SP's. 800-1029
SP's 1001-1006 Guns Stopped
SOL Noise SP. 1005
FSP. 1030 @ 23:27
LSP. 2201 @ 01:56
EOL Noise SP. 2205



Tape-List
 
Stream AF 
Reel Shots Files No. shots Deck Missing Shots Remark
1276770 -  1132770 -  11323632 Copied from copy d/t no eof mark
12771133 -  19821133 -  19828503  
12781983 -  22111983 -  22112291  

Stream AF_copy 
Reel Shots Files No. shots Deck Missing Shots Remark
5276770 -  1139770 -  11393705  
52771140 -  19821140 -  19828436  
52781983 -  22111983 -  22112294  


Annotations
 
NTBP 
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)
ALLALL6128Spiking AF TracesAFSpiking AF trace(s)
ALLALL6130Spiking AF TracesAFSpiking AF trace(s)
ALLALL6131Spiking AF TracesAFSpiking AF trace(s)
ALLALL6135Spiking AF TracesAFSpiking AF trace(s)
ALLALL2161Noisy Trace(s)AFNoisy trace(s)
ALLALL4190Dead trace(s)AFAF traces dead
ALLALL1106-107Noisy Trace(s)AFNoisy trace(s)
ALLALL3296-297Noisy Trace(s)AFNoisy trace(s)
ALLALL749Noisy Trace(s)AFNoisy trace(s)
ALLALL698Spiking AF TracesAFSpiking AF trace(s)
ALLALL6133Spiking AF TracesAFSpiking AF trace(s)
ALLALL6159Dead trace(s)AFAF traces dead
ALLALL8271Noisy Trace(s)AFNoisy trace(s)
11911191ALLALLIncomplete external headerAFBlock TRIGUN missing
14211421ALLALLIncomplete external headerAFBlock TRIGUN missing
14901490ALLALLIncomplete external headerAFBlock TRIGUN missing
17481748ALLALLIncomplete external headerAFBlock TRIGUN missing
17711771ALLALLIncomplete external headerAFBlock TRIGUN missing
20362036ALLALLIncomplete external headerAFBlock TRIGUN missing
20392039ALLALLIncomplete external headerAFBlock TRIGUN missing

Warnings 
Shot(s) File(s) Streamer No(s) Trace(s) Type Seismic datatype Remark
ALLALL3305Weak 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
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
ALLALL3309Weak Trace(s)AFTrace amplitude visibly lower than adjacent traces
ALLALL8319Weak Trace(s)AFTrace amplitude visibly lower than adjacent traces



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: 0013, Line name: GAP07B1104P013, Seismic datatype(s): AF - Locked date: 10-Apr-2007 03:08:24
GENERATED Tuesday, April 10, 2007 3:11:36 AM GMT+00:00