CNOOC, Total and Edison have made one of the biggest finds in the UK North Sea in recent years. The Glengorm discovery is estimated to contain recoverable resources of 250mmboe which is even bigger than Total’s recent success in the West of Shetlands at Glendronach which had 1tcf of gas (c.160mmboe). Glengorm sits on licence P2215 and in the vicinity of both the Culzean and Elgin & Franklin gas fields which could act as future hosts for Glengorm.
Glengorm is operated by CNOOC (50%) with Total (25%) and Edison (25%) as partners. The exploration well (22/21c-13) was spud on 26th August 2018 with the Prospctor 5 jack-up rig targeting the Upper Jurrasic Fulmar and Heather formations. The HPHT prospect was challenging to drill but persistence has paid off. CNOOC tried to drill the prospect twice in 2017 but failed to do so following technical problems.
Maersk, Premier Oil and Centrica had relinquished the licence in which the field is contained back in 2014 when it was deemed too small and complex to commercialise. Glengorm has clearly exceeded all expectations with unrisked recoverable resources estimated at c.65mmboe back in 2014 (41mmbbl oil and 128bcf gas). The 2014 relinquishment report also highlights a number of prospects in the vicinity and CNOOC, Total and Edison have expectations of further prospectivity in the area for future growth.
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| Source: Maersk 2014 relinquishment report |
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| Source: Maersk 2014 relinquishment report |
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