Contains open hole drillstem test raw field data, the field contractor's results of the separate modified isochronal gas production tests performed on the Toolachee ('Upper') and Patchawarra ('Lower') Formation gas reservoirs in late 1989, the operator's summary and well deliverability calculations for the latter test, being of the zone to be first developed, a testing laboratory's PVT study report on fluid samples taken from the Lower production zone, and the field contractor's results for annual reservoir pressure monitoring buildup, bottomhole pressure and static gradient surveys conducted between 1990 and 1993, with an additional LET performed in July 1993 on the Lower zone.