Carnarvon Petroleum Ltd prepares for flow testing from Roc-2 well
Date
10/4/2016 1:24:39 AM
(MENAFN- ProactiveInvestors - Australia)
Carnarvon Petroleum Ltd (ASX:CVN) has provided an update from partner, Quadrant Energy (operator), on the drilling operations of the Roc-2 well.
The Roc-2 well has been designed to appraise and test the Roc-1 gas-condensate discovery revealed earlier in the year, and is located within the WA-437-P exploration permit in the North West Shelf.
The North West Shelf is Australia";s most prolific oil and gas region.
The well is required to delineate the extent of the Roc field, calibrate reservoir parameters, understand reservoir deliverability and characterise fluid properties. Carnarvon holds a 20% interest, with Quadrant 80%.
Progress
Since the last report the wireline operations have been completed and the 7” (178 mm) casing liner has successfully been set in place across the Caley formation as planned in preparation for flow testing the well.
Current Operations
The rig is currently in the process of cleaning out the well bore after the cementing operations to set the liner.
Forward Plan
Once the well bore has been cleaned, a process expected to take several days, a Drill Stem Test (DST) string will be run in the hole which will enable the flow testing of the Roc-2 well across the Caley formation that was gas-condensate charged based on wireline interpretation.
Due to the complexity of these downhole tools, it may take over a week to install the DST in place.
The well will then be perforated and the well will be opened for a controlled flow test over a period of about a week.
The flow tests will enable the measurement of pressure, permeability and flow capacity of the Caley formation.
The company expects to be in a position to report on the well testing results in around two weeks.
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