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Effective use of water in a system for water driven hammer drilling
Luleå tekniska universitet.
2004 (English)In: Tunnelling and Underground Space Technology, ISSN 0886-7798, E-ISSN 1878-4364, Vol. 19, no 1, p. 69-78Article in journal (Refereed) Published
Abstract [en]

Drilling with water driven down-the-hole (DTH) hammers is a recently developed method for competitive production of boreholes. In order to prevent large amounts of water being used during operation, the drilling fluid is here directly processed into a quality acceptable for reuse. The effectiveness is evaluated in well drilling with a mobile prototype water cleaning and pressurising unit. Especially the presence of abrasive particles in the fluid can drastically reduce tool life and make the method inefficient. The vital significance of this relation has called for detailed studies and a process simulation model for determining particle concentration and size distribution has been developed. This paper describes the model and how it is applied. Simulation results of different system configurations are also presented

Place, publisher, year, edition, pages
2004. Vol. 19, no 1, p. 69-78
National Category
Water Engineering
Research subject
Water Resources Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-14162DOI: 10.1016/j.tust.2003.08.0011ISI: 000188601300007Scopus ID: 2-s2.0-0346505324Local ID: d8232230-0c49-11dd-9b51-000ea68e967bOAI: oai:DiVA.org:ltu-14162DiVA, id: diva2:987116
Note
Validerad; 2004; 20080417 (cira)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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