UK-based oil and gas firm Hurricane Energy has completed the drilling phase of the Lancaster horizontal appraisal well, west of Shetland.
Hurricane Energy said it has completed the drilling phase of the horizontal appraisal well and a 1km horizontal section through the basement reservoir is now being prepared for testing.
The company is using the Transocean Sedco 712 semi-submersible drilling rig for the operation.
Hurricane Energy CEO Robert Trice said: "I am extremely encouraged by the data so far acquired as it indicates that the target fault zones are present and that the encountered section is fractured and oil bearing.
"Operations have now switched focus to the preparation for the well testing phase of this operation."
Lancaster is located in blocks 205/21a, 205/22a and 205/26b with relatively shallow water depths of 160m.
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The original Lancaster discovery was made in 2009 and further testing was carried out in 2010.
The well, which was the first basement prospect drilled by Hurricane Energy, is estimated to contain 207 million barrels of 2C contingent resources.
Hurricane has 100% control of approximately 450 million barrels of 2C contingent resources located within the UK Continental Shelf.
The company’s license blocks are located 60 miles West of Shetland, around 100 miles north of mainland Scotland.
Image: Hurricane is using the Transocean Sedco 712 semi-submersible drilling rig for the Lancaster well operation. Photo: courtesy of Hurricane Energy.