ACQUISITION REPORT

Locked date: 13-Apr-2007 20:50:34


Sequence: 0044, Line name: GAP07B2096P044, Seismic datatype(s): AF


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

Sequence
Line NameGAP07B2096P044
Preplot Line Name2096
Direction17.0°
Chargeable Line Length23925.0m
SOL Time (utc)18:30:15 12-Apr-2007
EOL Time (utc)21:40:06 12-Apr-2007

Attributes
Wind Speed / Direction5.0 / E[knots]
Swell Height / Direction1.0 / E[meters]
Propeller Speed [avg rpm]
Propeller Pitch [avg %]

  SOL EOL 
Bottom Speed5.05.16[knots]
Water Depth1620.02315.0[meters]
Feather Angle-11.2-3.6[deg]
Sources Volume s1,s2 ..3147, 31473147, 3147[cu inch]
Background Noise5.345.49[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)1062 - 1129 1062 - 1129 18:23:07 - 18:32:14 
FSP Start of Line1130 1130 18:30:15 12-Apr-2007 
MSP(midnight sp)   
LSP End of Line2597 2597 21:40:06 12-Apr-2007
EOL Dummy Record(s)2598 - 2607 2598 - 2607 21:40:15 - 21:41:25 
EOL Noise Record(s)   

Line-segments 
SPs Files Times [utc] Type No. CMPs Status Remark
1130-13211130 - 132118:32:22 - 18:57:09Unknown16UnknownShooting on Run-in d/t Client's Request
1322-25971322 - 259718:57:16 - 21:40:07Prime16ValidProduction Shots

Positioning remark 
Line Ok
FGSP 1130 in turn d/t VME lock up

Acquisition remark 
Shooting on Run-in



Tape-List
 
Stream AF 
Reel Shots Files No. shots Deck Missing Shots Remark
13441062 -  19111062 -  19118501  
13451912 -  26071912 -  26076962  

Stream AF_copy 
Reel Shots Files No. shots Deck Missing Shots Remark
53441062 -  19111062 -  19118504  
53451912 -  26071912 -  26076965  


Annotations
 
NTBP 
Shot(s) File(s) Streamer No(s) Trace(s) Type Seismic datatype Remark
ALLALL3296-297Noisy Trace(s)AFNoisy trace(s)
ALLALL874Noisy Trace(s)AFNoisy trace(s)
ALLALL698Spiking AF TracesAFSpiking AF trace(s)
ALLALL2161Noisy Trace(s)AFNoisy trace(s)
ALLALL4190Spiking AF TracesAFSpiking AF trace(s)
ALLALL3305Spiking Trace(s)AFNoisy trace(s)
ALLALL3309Spiking Trace(s)AFTrace amplitude visibly lower than adjacent traces
1299-13001299-1300ALLALLDNPAFGuns disabled for Noise records. Do Not Process
ALLALL4222-223Noisy Trace(s)AFNoisy trace(s)
ALLALL8212-213Noisy Trace(s)AFNoisy trace(s)
ALLALL749Noisy Trace(s)AFNoisy trace(s)
ALLALL6159Dead trace(s)AFAF traces dead
ALLALL4230Spiking AF TracesAFSpiking AF trace(s)
ALLALL8258Noisy Trace(s)AFNoisy 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
14771477ALLALLIncomplete external headerAFBlock TRIGUN missing
18251825ALLALLIncomplete external headerAFBlock TRIGUN missing
18511851ALLALLIncomplete external headerAFBlock TRIGUN missing
19961996ALLALLIncomplete external headerAFBlock TRIGUN missing
20672067ALLALLIncomplete external headerAFBlock TRIGUN missing
22552255ALLALLIncomplete external headerAFBlock TRIGUN missing
24342434ALLALLIncomplete external headerAFBlock TRIGUN missing
25522552ALLALLIncomplete external headerAFBlock TRIGUN missing

Comments 
Shot(s) File(s) Streamer No(s) Trace(s) Type Seismic datatype Remark
11301130ALLALLPositioningAFFirst Run-in Shot Point
13001300ALLALLNoise RecordAFSOL Noise Record
13221322ALLALLPositioningAFSOL
25972597ALLALLPositioningAFLast Production Shot Point
26002600ALLALLNoise 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: 0044, Line name: GAP07B2096P044, Seismic datatype(s): AF - Locked date: 13-Apr-2007 20:50:34
GENERATED Friday, April 13, 2007 8:51:41 PM GMT+00:00