Hi Auto,
I picked up on this earlier to, but dismissed on the basis that only 97m of additional depth and they are still in the Mungaroo Formation; where are you getting your figures from?
17 Feb (4,277m)
During the period from 06:00 hours WST on 16 February 2011 to 06:00 hours WST on 17 February
2011, the well was drilled ahead in 216mm (8??) hole to a depth of 4,277 metres.
Zola-1 is currently drilling ahead in the Mungaroo Formation, the primary target of the well. The well
has encountered indications of hydrocarbons suggesting the presence of a gas column from the top
of the primary target. At this stage the interpretation is based on data obtained down hole while
drilling (mud log and Logging While Drilling (LWD)). The extent and thickness of the gas column will
be confirmed when the upper Mungaroo section has been drilled out and wireline logs are run at the
appropriate logging point.
Today (4,374m)
During the period from 06:00 hours WST on 17 February 2011 to 06:00 hours WST on 23 February
2011, the well was drilled ahead in 216mm (8??) hole to a depth of 4,374 metres in the Mungaroo
Formation. Limited wireline logs (MDT formation pressure and sampling) were then run across the
upper Mungaroo target due to the approaching cyclone. These logs supported the previously
reported interpretation (from mud log and LWD data) of a gas column in sandstones at the top of the
Mungaroo Formation.
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