ACQUISITION REPORT

Locked date: 17-Apr-2007 18:25:57


Sequence: 0064, Line name: GAP07B2160P064, Seismic datatype(s): AF


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

Sequence
Line NameGAP07B2160P064
Preplot Line Name2160
Direction17.0°
Chargeable Line Length18393.75m
SOL Time (utc)14:17:14 16-Apr-2007
EOL Time (utc)17:10:22 16-Apr-2007

Attributes
Wind Speed / Direction6.0 / W[knots]
Swell Height / Direction1.0 / W[meters]
Propeller Speed [avg rpm]
Propeller Pitch [avg %]

  SOL EOL 
Bottom Speed4.34.3[knots]
Water Depth1732.02431.0[meters]
Feather Angle2.83.9[deg]
Sources Volume s1,s2 ..3147, 31473147, 3147[cu inch]
Background Noise6.325.84[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)1081 - 1110 1081 - 1110 14:10:54 - 14:15:04 
FSP Start of Line1111 1111 14:17:14 16-Apr-2007 
MSP(midnight sp)   
LSP End of Line2321 2321 17:10:22 16-Apr-2007
EOL Dummy Record(s)2322 - 2331 2322 - 2331 17:10:32 - 17:11:48 
EOL Noise Record(s)   

Line-segments 
SPs Files Times [utc] Type No. CMPs Status Remark
1111-23211111 - 232114:15:13 - 17:10:23Unknown16UnknownShooting on Run-in at Client's Request
1341-23211341 - 232114:47:34 - 17:10:23Prime16ValidProduction Sp's

Positioning remark 
P190 Made for SP 1111-2321, Line Ok

Acquisition remark 
Shooting on Run-in


Tape-List
 
Stream AF 
Reel Shots Files No. shots Deck Missing Shots Remark
13851081 -  19301081 -  19308503  
13861931 -  23311931 -  23314011  

Stream AF_copy 
Reel Shots Files No. shots Deck Missing Shots Remark
53851081 -  19301081 -  19308506  
53861931 -  23311931 -  23314014  


Annotations
 
NTBP 
Shot(s) File(s) Streamer No(s) Trace(s) Type Seismic datatype Remark
ALLALL8212-213Noisy Trace(s)AFNoisy trace(s)
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)
ALLALL4280Spiking AF TracesAFSpiking AF trace(s)
1334-13351334-1335ALLALLGun disabledAFGun . New source volume cu.inch.

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
16541654ALLALLIncomplete external headerAFBlock TRIGUN missing
20152015ALLALLIncomplete external headerAFBlock TRIGUN missing
21122112ALLALLIncomplete external headerAFBlock TRIGUN missing
22902290ALLALLIncomplete external headerAFBlock TRIGUN missing
22942294ALLALLIncomplete external headerAFBlock TRIGUN missing

Comments 
Shot(s) File(s) Streamer No(s) Trace(s) Type Seismic datatype Remark
11111111ALLALLFSPAFFirst Run-In Shot Point
13351335ALLALLNoise RecordAFSOL Noise Record
13411341ALLALLBOLAFFirst Production Shot Point
23212321ALLALLEOLAFLast Production Shot Point
23252325ALLALLNoise 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: 0064, Line name: GAP07B2160P064, Seismic datatype(s): AF - Locked date: 17-Apr-2007 18:25:57
GENERATED Tuesday, April 17, 2007 6:26:33 PM GMT+00:00