Carnarvon Petroleum (ASX:CVN) has provided an update on drilling operations as advised by the operator of the Roc-1 well, Quadrant Energy.
The Roc-1 well is located in WA-437-P, 20 kilometres south-east of the 2014 Phoenix South-1 oil discovery, and around 150 kilometres north of Port Hedland.
Quadrant Energy is the operator of the well (40%) interest, with Carnarvon (20% free-carried). Other partners are JX Nippon 20% and Finder Exploration 20%.
Since the last report the 216 mm (8 ½”) hole has drilled from a depth of 4,435 metres to around 4,855 metres.
Encouraged
The joint venture said that it is encouraged by the previously reported evidence of a working petroleum system in the current well, and the observations of good quality sandstone sections, to continue drilling below the previously announced target depth of 4,750 metres.
The forward plan has been outlined as:
"It is expected to take at least another day to drill through to anticipated total depth of around 4,950 metres and condition the borehole for wireline logging. The information from the wireline logging tools is expected to take up to a further five to seven days to be obtained.
"The operator has proposed a suite of wireline logging including quad combo for resistivity and density/neutron measurements, formation pressure tools to determine fluid types (including fluid sampling) and pressure and mechanical sidewall coring tool to extract rock samples for later testing.
"The logging results are expected to provide additional information on, for example, the type of hydrocarbons present and the quality of the reservoir containing those hydrocarbons. One use of this information will be for the estimation of hydrocarbon volumes recoverable.
"Given the characteristics of the reservoir it is envisaged that volume estimates could be completed within a reasonable period following the well being completed."
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