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    Challenges of cuttings transport in micro–borehole coiled tubing drilling for mineral exploration

    Access Status
    Fulltext not available
    Authors
    Kamyab, Mohammadreza
    Rasouli, Vamegh
    Cavanough, G.
    Mandal, S.
    Date
    2012
    Type
    Conference Paper
    
    Metadata
    Show full item record
    Citation
    Kamyab, M. and Rasouli, V. and Cavanough, G. and Mandal, S. 2012. Challenges of cuttings transport in micro–borehole coiled tubing drilling for mineral exploration, in Kroshnaw, F.M. (ed), 1st International Conference on Petroleum and Mineral Resources, Dec 3-5 2012. Kurdistan, Iraq: University of Koya.
    Source Title
    1st International Conference on Petroleum and Mineral Resources
    Source Conference
    1st International Conference on Petroleum and Mineral Resources
    DOI
    10.2495/PMR120101
    URI
    http://hdl.handle.net/20.500.11937/11160
    Collection
    • Curtin Research Publications
    Abstract

    Coil tubing (CT) technology has been in use in the oil and gas industry since the 1990s. Since then, the applications of CT have expanded rapidly. Coiled tube drilling can offer more efficient and faster drilling operations resulting in lower operational costs. Micro–borehole CT drilling (CTD) has been used in oil and gas applications and is very attractive as a method for minerals exploration drilling due to the faster drilling i.e. high rate of penetration (ROP) that can be achieved resulting in reduced drilling costs. Due to the narrow annulus space there is a certain degree of uncertainty with regards to cuttings transport. In this paper we review the fluid flow and cutting transport models available for conventional drilling. Different aspects of fluid flow in micro–borehole CT will be addressed and discussed. The discussion illustrates the important parameters, including fluid properties, cuttings properties, fluid hydraulics and annular geometry affecting cutting transports in micro–borehole CT drilling in oil and gas as well as mineral exploration.

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