fluid flow rate:
12 May - 1565 bopd
18 May - 750 bopd
21 May - 550 bopd
29 May - 400 bopd
8 June - 405 bopd
22 June - same as over past 2 weeks. ~400?
Three isolation plugs should be removed now.
Next week - start flow test from all 6 frac zones again (purpose of this?? because Alcoa want to)
Then decision to remediate water intrusion (cement squeeze, why haven't they gone with this option already? too risky with formation damage?) and/or frac stim the untested zones 7 and 8.
still holding, go TSV
with about 50% located under freehold land
and 50% under the Watheroo National Park.
Applications of the squeeze cement
job
One of the major reasons for a failed primary
cementing job is poor mud displacement, which
causes the cement slurry to channel through the
drilling mud. Consequently, voids and pockets or
channels are left behind the casing, resulting in
insufficient hydraulic isolation between the
various permeable zones. If this condition is left
uncorrected more problems are likely to arise:
• cross-flow between formations which are at
different pressures; and
• potential contamination of freshwater
aquifers.
These problems can impact on the environment.
Other impacts such as those affecting the
production potential of the well are outside the
scope of this report.