Contents - Geoscience Australia
Contents - Geoscience Australia
Contents - Geoscience Australia
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Recording<br />
The first production profile was recorded on the line on the 8 th August 2003 following the three hour testing<br />
program.<br />
A total of 197.6 km of data was recorded which consisted of 2,601 production records using the ARAM24<br />
seismic recorder (Figure 4).<br />
Full details of recording parameters used are given in appendix ‘I’.<br />
Seismic data were recorded on SEGY format in 3490E magnetic tape and also compact disc. A second 3490E<br />
tape was produced in the recording cab for later lodgement with the petroleum branch of PIRSA.<br />
The ARAM24 shooting logs and the observers comments file were downloaded onto floppy disc.<br />
Magnetic tapes were labeled with tape number, file range, VP range and date. Field tape listings are given in<br />
appendix D.<br />
Data from the field operations were passed to the ANSIR on-site processing geophysicist on a daily basis for<br />
QA/QC.<br />
Figure 4. Recorder on line near station 5600.<br />
Field QC & processing.<br />
ANSIR supplied an on site processing system and geophysicist for the duration of the field program.<br />
A PC based LINUX platform running DISCO/FOCUS seismic processing software was used to QC field tapes<br />
and data. This ensured that any problems with data or media were able to be addressed at an early stage.<br />
In addition to being a good tool for QC of the data acquisition and experimental program this also allowed ‘field’<br />
stacks to be produced as shown in Figure 5.<br />
A set of SEGY shot records on DVD was also produced as a back up dataset using the field processing system.<br />
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