Environmental statement - Flyndre and Cawdor - Maersk Oil

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[This page is intentionally blank] Flyndre and Cawdor Environmental Statement Standard Information Sheet ii D/4114/2011
Flyndre and Cawdor Environmental Statement Non-Technical Summary NON TECHNICAL SUMMARY The Flyndre field straddles three blocks; 30/13c and 30/14 in the United Kingdom sector of the North Sea and 1/5a in the Norwegian sector. The Cawdor field lies across two blocks, 30/13c and 30/14 both of which are in the UK sector. The fields lie in water depths of approximately 70 m. Maersk Oil North Sea Ltd. (Maersk Oil) propose to develop the Flyndre and Cawdor fields, by drilling one well at Cawdor and utilising the existing Flyndre appraisal well. The wells will be tied back via a common production line to Talisman’s Clyde platform located in UKCS block 30/17b. Based on production levels a further two wells may be drilled at the Cawdor field at a later date (Phase II). This ES considers the impact associated with the drilling of three wells and production from four wells. Production at the Flyndre field is expected to begin in Q3 2013, with production at the Cawdor field beginning in Q4 2014. Production at both fields is expected to continue to the end of 2026. SCOPE The scope of the Environmental Assessment (EA) reported by this Environmental Statement (ES) includes all activities associated with the Flyndre and Cawdor development. The environmental assessment covers the activities associated with the development as outlined below. Flyndre and Cawdor development It is proposed to use the Flyndre appraisal/keeper well (30/14‐3z) drilled in 2006 as the Flyndre producer, hence no further drilling is anticipated at this field. The Cawdor development wells are still to be drilled. Provisionally it is anticipated that one well is drilled in Cawdor in Phase 1 and if the production levels are favourable, Phase 2 consisting nominally of two wells will be drilled at a later date. The subsea concept design work has commenced to assess the options to determine architecture, line size, routing etc. Generally it is anticipated that a flowline (25‐30 km length) and control umbilical will be required with appropriate manifolding at the subsea locations. Screening of all potential hosts resulted in the Clyde platform (operated by Talisman) being selected for production of the Flyndre and Cawdor hydrocarbons. ENVIRONMENTAL MANAGEMENT AND MITIGATION Maersk Oil is committed to conducting activities in compliance with all legislation and operates an ISO14001:2004 verified Environmental Management System (EMS) as part of a wider Business Management System. Maersk Oil’s commitments to ensuring protection of the environment are set out in the HSE policy, a copy of which is provided in Appendix C. The EMS covers all aspects of Maersk Oil’s activities including exploration, drilling and production activities and will be applied to the proposed development. The activities associated with the proposed development are not anticipated to have a significant impact on the environment. However, a number of mitigation measures will be adhered to in order to minimise any impact. DEVELOPMENT CONCEPT Maersk Oil’s proposal for the development of the Flyndre and Cawdor fields will enable the economic recovery and export of oil and gas by the drill of one well and utilising an existing well. (Depending on D/4114/2011 iii
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Environmental statement - Flyndre and Cawdor - Maersk Oil

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