Flow Test Success in North Sea for Ithaca
UK-focused Ithaca Energy reported Tuesday that it has completed a successful flow test of its appraisal well 29/10b-8 on the Hurricane structure in the central North Sea.
The well was drilled to appraise sands in the eastern lobe of Hurricane, which is located in the Greater Stella Area. The drill stem test on the Andrew sandstone interval within the well achieved a gross maximum flow rate of approximately 24 million standard cubic feet of gas per day, with associated condensate of 1,200 barrels per day, from a 44/64-inch fixed choke.
The wellbore will now be suspended as a future Andrew reservoir production well with the capability of also producing from the adjacent Rogaland reservoir.
The well intersected 32 feet of the Eocene Rogaland sandstone with an average porosity of 28 percent over the net sands and a full core of the Rogaland reservoir was extracted. Samples indicate a condensate-to-gas ratio of between 60 and 110 barrels of condensate per million cubic feet, and Ithaca said that sufficient data was obtained to remove the need to perform a well test on this interval.
"The successful results of the Hurricane appraisal well have clearly demonstrated the significant potential of the Andrew reservoir play fairway in the Company's Greater Stella Area. A work program has already been launched to assess the development options and ultimately recoverable volumes for Hurricane, both in terms of the Rogaland and Andrew reservoirs, and the optimal solution for its integration into the ongoing development of the nearby Stella and Harrier fields," Ithaca Chief Technical Officer Nick Muir commented in a company statement.
Oil sector analyst Ashley Kelty, of London-based Cenkos Securities, noted that the Andrew sand is similar to that encountered at Stella (around 6 miles away) and "suggests that the extent of the Andrew play may be greater than previously thought over the Greater Stella Area, with a commensurate uplift in potential resources".
Kelty added that Hurricane should be a relatively low-cost development given its proximity to other Greater Stella Area fields.
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