Bluestone Group’s Post

Ahead of mobilisation to the Erskine platform later this month, Executive Chairman Gilad Myerson spent time on the Valaris 123 heavy duty jack-up rig, currently completing its five-yearly maintenance and inspection work scopes in Dundee. Explaining the importance of this well intervention in building longevity within our assets, Gilad said: “Focussed on maximising production from across our assets, we are committed to bringing Erkine’s fifth platform well back online. Erskine is a significant contributor to Ithaca’s production, and I look forward to seeing a successful outcome later this summer. Ithaca Energy is committed to providing home grown energy from our North Sea asset base. “Using innovative techniques, our highly talented teams have identified an opportunity to reinstate the fifth well, W1. We are excited to partner with Valaris – a global leader in offshore drilling operations. Safety is at the heart of this project: at Ithaca Energy and Valaris the safety of our workforce comes first. As we continue to improve longevity in our producing assets, I was delighted to see the preparation for this important campaign.” Erskine Asset Manager, Paul Ness said: “Erskine is a Normally Unattended Installation with accommodation for 12 personnel and crane capacity limited to 7.5Te. This makes it challenging to conduct some workscopes, so with the Valaris 123’s available POB of 136 and 60Te cranes, we will use this opportunity to also conduct maintenance and other project which are due over the next few years. This complex intervention requires milling by coiled tubing to access the deeper sections of the well prior to perforating, logging, and potentially partially plugging zones to re-establish production. “Even after 26 years of production the surface pressure is still relatively high at up to 180 barg (2,600 psig) and the reservoir temperatures remain at initial levels of 173°C (343°F). This makes tool and chemical selection particularly challenging, but our expert team has identified solutions which reliably operate in these challenging conditions.” Erskine was the first High Pressure High Temperature (HPHT) field in the UK Continental Shelf and came online in December 1997. #Triumph.Together #DeliverResults

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