HALIFAX WELL CONFIRMS LANCASTER AS A LARGE HYDROCARBON FIELD
Hurricane Energy announced that operations on the 205/23-3A well, Halifax, are completed. Hurricane confirmed that the well is an oil discovery with initial data analysis indicating Halifax is linked to the Lancaster field forming a single large hydrocarbon accumulation.
The principal purpose of the Halifax Well was to support the Company’s view that the Lancaster Field and the Halifax prospect are one large connected structure. Well results support the Company’s opinion. The Halifax Well has successfully identified an extensive oil column, significantly below local structural closure. The reservoir interval encountered is pervasively fractured with porosities similar to those at Lancaster. The Company believes that the deeper oil down to at 1,846m true vertical depth subsea (“TVDSS”) identified in the Halifax Well, compared with an oil water contact (“OWC”) at Lancaster at 1,678m TVDSS, is most likely caused by a tilted OWC. The well was finally drilled to 2,004m TVDSS, with no confirmed OWC encountered.
The Halifax Well has been suspended to allow for potential future operations to either deepen and/or undertake further testing of the well, the programme for which will be determined following analysis of the well results.
Preliminary third party analysis from the Halifax Well indicates: Very significant hydrocarbon column of at least 1,156 metres is present within the basement extending well below local structural closure (which is at 1,040 metres TVDSS) – The basement reservoir below the final casing point (1,179m TVDSS) is pervasively fractured (based on initial analysis of borehole image logs processing) – Porosity is consistent with that at Lancaster (based on initial petrophysical analysis.
The Transocean Spitsbergen semi-submersible rig has demobilised and is no longer on hire to Hurricane.
(Source: Hurricane Energy)
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