ACQUISITION REPORT

Locked date: 19-Apr-2007 03:08:07


Sequence: 0070, Line name: GAP07B2016P070, Seismic datatype(s): AF


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

Sequence
Line NameGAP07B2016P070
Preplot Line Name2016
Direction17.0°
Chargeable Line Length30843.75m
SOL Time (utc)21:26:06 17-Apr-2007
EOL Time (utc)01:33:36 18-Apr-2007

Attributes
Wind Speed / Direction22.0 / NE[knots]
Swell Height / Direction2.0 / NE[meters]
Propeller Speed [avg rpm]
Propeller Pitch [avg %]

  SOL EOL 
Bottom Speed4.544.73[knots]
Water Depth1495.32433.5[meters]
Feather Angle3.5-1.5[deg]
Sources Volume s1,s2 ..3147, 31473147, 3147[cu inch]
Background Noise9.089.44[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)1038 - 1067 1038 - 1067 21:22:46 - 21:26:34 
FSP Start of Line1068 1068 21:26:06 17-Apr-2007 
MSP(midnight sp)2222 2222 23:59:55 17-Apr-2007
LSP End of Line2942 2942 01:33:36 18-Apr-2007
EOL Dummy Record(s)2943 - 2952 2943 - 2952 01:33:44 - 01:34:55 
EOL Noise Record(s)   

Line-segments 
SPs Files Times [utc] Type No. CMPs Status Remark
1068-12971068 - 129721:26:42 - 21:56:59Unknown16UnknownShooting on Run-In
1298-29421298 - 294221:57:07 - 01:33:37Prime16ValidProduction Shots

Positioning remark 
Line ok
SP 1269-1270 Noise strip

Acquisition remark 
 


Tape-List
 
Stream AF 
Reel Shots Files No. shots Deck Missing Shots Remark
13991038 -  18871038 -  18878501  
14001888 -  26011888 -  26017142 Copied from copy tape d/t no EOF mark
14012602 -  29522602 -  29523513  

Stream AF_copy 
Reel Shots Files No. shots Deck Missing Shots Remark
53991038 -  18871038 -  18878504  
54001888 -  26211888 -  26217345  
54012622 -  29522622 -  29523316  


Annotations
 
NTBP 
Shot(s) File(s) Streamer No(s) Trace(s) Type Seismic datatype Remark
ALLALL8212-213Noisy Trace(s)AFNoisy trace(s)
ALLALL874Noisy Trace(s)AFNoisy trace(s)
ALLALL4230Spiking AF TracesAFSpiking AF trace(s)
1269-12701269-1270ALLALLGun disabledAFALL Guns Disabled for SOL Noise Record
ALLALL749Noisy Trace(s)AFNoisy trace(s)
ALLALL698Spiking AF TracesAFSpiking AF trace(s)
ALLALL6159Dead trace(s)AFAF traces dead
ALLALL4190Dead trace(s)AFAF traces dead
ALLALL8271Noisy Trace(s)AFNoisy trace(s)

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
ALLALL8225Weak Trace(s)AFTrace amplitude visibly lower than adjacent traces
ALLALL8231Weak 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
18421842ALLALLIncomplete external headerAFBlock TRIGUN missing
23312331ALLALLIncomplete external headerAFBlock TRIGUN missing
26332633ALLALLIncomplete external headerAFBlock TRIGUN missing
27582758ALLALLIncomplete external headerAFBlock TRIGUN missing
27652765ALLALLIncomplete external headerAFBlock TRIGUN missing
28232823ALLALLIncomplete external headerAFBlock TRIGUN missing

Comments 
Shot(s) File(s) Streamer No(s) Trace(s) Type Seismic datatype Remark
10681068ALLALLRun-In SPAFFirst Run-In Shot Point
12701270ALLALLNoise RecordAFSOL Noise Record
12981298ALLALLSOLAFFirst Production Shot Point
29422942ALLALLEOLAFLast Production Shot Point



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: 0070, Line name: GAP07B2016P070, Seismic datatype(s): AF - Locked date: 19-Apr-2007 03:08:07
GENERATED Thursday, April 19, 2007 3:08:29 AM GMT+00:00