The Joint Development Zone (JDZ) and adjacent areas cruise is part of a program beingundertaken by AGSO, to determine the structural architecture of the northwestern margin ofAustralia and the influence of structuring on the location, migration and trapping ofhydrocarbons in the region. The major objectives of the cruise are:
1) to determine the regional structural framework of the eastern Timor Sea region by examiningthe boundaries between the major structural elements along a series of transects;
2) to provide modern regional seismic tie lines through key wells in the region to facilitateprovince-wide correlations;
3) to determine the deep crustal structure of the Sahul Syncline, Sahul Platform, Timor Troughand Malita Graben;
4) to examine the effects of the deep crustal structure and their various phases of reactivationon the stnitural development of the region.
To meet these objectives it is proposed that the R V Rig Seismic collect approximately 2600km of deep crustal (16 sec record length) multichannel seismic and other geophysical data along13 lines in and around the JDZ. The proposed lines tie major wells in the region. Wherepossible the lines are orthogonal to the principal trends in the region. Some strike lines areincluded to assist the regional ties between wells and existing data sets.
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