A recent engineering study of downtime analysis of all exploration wells drilled to date in Ireland provides indicative drilling time-depth curves that can be used for estimating budgets for summer drilling in different sectors offshore Ireland. The study was commissioned by Ireland's PAD (Petroleum Affairs Division), part of the Irish Department of Communications, Marine and Natural Resources. In 1997, PAD set up the Irish Petroleum Infrastructure Program to promote hydrocarbon exploration and development activities in Ireland. Downtime analysis produces recommendations to improve drilling performance offshore Ireland. The first part of this series includes discussion of basins off the eastern, southern, and northwestern coasts of Ireland: Central Irish Sea; Kish Bank; Celtic Sea; Fastnet basin; Donegal, Erris, and Slyne basins. The far western and southwestern basins, including the Porcupine basin, Goban Spur, and Rockall basin, will be covered in the conclusion part in the next article. None of the Irish Shelf drilling areas presents serious hole problems. Where overpressure was encountered, it did not result in significant downtime. Through lessons learned there has been a definite improvement in drilling performance achieved over the years. Furthermore, Ireland is not a particularly remote or costly location for drilling when compared with North Sea operations.


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    Title :

    Study analyzes downtime of exploration wells


    Additional title:

    Die Kosten für Exploration und Bohrungen im Offshore-Gebiet von Irland


    Contributors:

    Published in:

    Oil and Gas Journal ; 103 , 45 ; 41-45


    Publication date :

    2005


    Size :

    5 Seiten, 7 Bilder, 1 Tabelle



    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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