Butyl acetate, an alternative drilling fluid for deep ice-coring projects
Open Access
- 1 January 1991
- journal article
- instruments and-methods
- Published by Cambridge University Press (CUP) in Journal of Glaciology
- Vol. 37 (125) , 170-176
- https://doi.org/10.1017/S0022143000042921
Abstract
Deep-drilling operations in glaciers require a fluid to maintain hydrostatic equilibrium and prevent closure due to plastic flow of the ice. Many past practices have employed various fluid mixtures using fuel oil as the base. The case for butyl acetate is presented here as an adequately dense and environmentally safe drilling fluid. Results from the 1990 drill season are highly favorable.Keywords
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