ACQUISITION REPORT

Locked date: 15-Apr-2007 05:02:32


Sequence: 0052, Line name: GAP07B2128P052, Seismic datatype(s): AF


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

Sequence
Line NameGAP07B2128P052
Preplot Line Name2128
Direction17.0°
Chargeable Line Length21168.75m
SOL Time (utc)15:56:53 14-Apr-2007
EOL Time (utc)19:54:19 14-Apr-2007

Attributes
Wind Speed / Direction30.0 / NNW[knots]
Swell Height / Direction2.5 / N[meters]
Propeller Speed [avg rpm]
Propeller Pitch [avg %]

  SOL EOL 
Bottom Speed4.84.2[knots]
Water Depth1672.02398.0[meters]
Feather Angle3.6-1.1[deg]
Sources Volume s1,s2 ..3147, 31473147, 3147[cu inch]
Background Noise7.685.41[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)1071 - 1114 1071 - 1114 16:51:03 - 16:56:32 
FSP Start of Line1115 1115 15:56:53 14-Apr-2007 
MSP(midnight sp)   
LSP End of Line2459 2459 19:54:19 14-Apr-2007
EOL Dummy Record(s)2460 - 2469 2460 - 2469 19:54:29 - 19:55:47 
EOL Noise Record(s)   

Line-segments 
SPs Files Times [utc] Type No. CMPs Status Remark
1115-13301115 - 133016:56:40 - 17:23:47Unknown16UnknownShooting on run in
1331-24591331 - 245917:23:54 - 19:54:20Prime16ValidProduction SP

Positioning remark 
FGSP 1115 due to network not solving.
P190 made for SP 1115-2459. Line Ok

Acquisition remark 
Shooting on Run-in


Tape-List
 
Stream AF 
Reel Shots Files No. shots Deck Missing Shots Remark
13641071 -  19201071 -  19208501  
13651921 -  24691921 -  24695492  

Stream AF_copy 
Reel Shots Files No. shots Deck Missing Shots Remark
53641071 -  19201071 -  19208504  
53651921 -  24691921 -  24695495  


Annotations
 
NTBP 
Shot(s) File(s) Streamer No(s) Trace(s) Type Seismic datatype Remark
ALLALL698Spiking AF TracesAFSpiking AF trace(s)
ALLALL4230Spiking AF TracesAFSpiking AF trace(s)
13201320ALLALLGun disabledAFAll Guns disabled for noise record
ALLALL8212-213Noisy Trace(s)AFNoisy trace(s)
ALLALL749Spiking AF TracesAFSpiking AF trace(s)
ALLALL6159Dead trace(s)AFAF traces dead
ALLALL4190Spiking AF TracesAFSpiking AF trace(s)
ALLALL8268Noisy Trace(s)AFNoisy trace(s)
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
ALLALL6289Weak Trace(s)AFTrace amplitude visibly lower than adjacent traces
ALLALL8319Weak Trace(s)AFTrace amplitude visibly lower than adjacent traces
14841484ALLALLIncomplete external headerAFBlock TRIGUN missing
19251925ALLALLIncomplete external headerAFBlock TRIGUN missing
20952095ALLALLIncomplete external headerAFBlock TRIGUN missing
21322132ALLALLIncomplete external headerAFBlock TRIGUN missing
22992299ALLALLIncomplete external headerAFBlock TRIACQ missing
23002300ALLALLIncomplete external headerAFBlock TRIACQ missing
23012301ALLALLIncomplete external headerAFBlock TRIACQ missing
23132313ALLALLIncomplete external headerAFBlock TRIGUN missing
24422442ALLALLIncomplete external headerAFBlock TRIACQ missing
24432443ALLALLIncomplete external headerAFBlock TRIACQ missing

Comments 
Shot(s) File(s) Streamer No(s) Trace(s) Type Seismic datatype Remark
11011101ALLALLFSPAFShooting on run in
13201320ALLALLNoise RecordAFSOL Noise Record
13311331ALLALLPositioningAFFirst Production Shot Point
24592459ALLALLPositioningAFLast Production Shot Point
24652465ALLALLNoise 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: 0052, Line name: GAP07B2128P052, Seismic datatype(s): AF - Locked date: 15-Apr-2007 05:02:32
GENERATED Sunday, April 15, 2007 5:03:07 AM GMT+00:00