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88 Energy begins flowback at Icewine well
Alaska oil explorer 88 Energy resumed testing at its Icewine number-two well on 11 June, as scheduled, with the well now flowing back fracking fluid that had been previously injected into the well to stimulate the HRZ shale formation.
In order to clean-up stimulation fluids from the Icewine#2 borehole, flowback commenced with a wellhead pressure of 3,000 psi and a flowback rate of 253 barrels of water per day before later being increased to 816 psi with a flowback rate of 160 barrels.
Based on the pressures and flow rates, 88 Energy said there was no indication of any impediment to flow through the perforations at this stage. The Perth-based firm has run a production log to confirm this and expects to disclose results once the report has been finalised.
88 noted that at this early stage of flowback, fluid had not been run through the separator, meaning that the hydrocarbon rate was yet to be measured, but anticipates that flowback through the separator and gas chromatograph would begin later on Wednesday.
88 Energy, via its wholly owned subsidiary, Accumulate Energy Alaska, has a 77.55% working interest in the well, while its joint venture partner Burgundy Xploration holds the remaining 22.45%.
As of 0830 BST, 88 Energy shares had lost 11.15% to 2.09p.