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RESEARCH PAPERS

Experimental Study of Composting Oil Wet Drill Cuttings as a Drilling Waste Disposal Option

[+] Author and Article Information
Roald Sørheim1

 Bioforsk Soil and Environment, Frederik A Dahlsvei 20, N-1432 Ås, Norwayroald.sorheim@bioforsk.no

John Eirik Paulsen

 Statoil ASA, N-4035 Stavanger, Norway

Arild Saasen

Statoil ASA, N-4035 Stavanger, Norway; University of Stavanger, N-4036 Stavanger, Norway

Jérôme Leleux2

 Total Fluides, La Défense 10, F-92907 Paris La Défense Cedex, France

Arnaud Albouy

 Total Fluides, La Défense 10, F-92907 Paris La Défense Cedex, France

Trond Knapp Haraldsen

 Bioforsk Soil and Environment, Frederik A Dahlsvei 20, N-1432 Ås, Norway

Per Anker Pedersen

Department of Plant and Environmental Sciences, Norwegian University of Life Sciences, P.O. Box 5003, N-1432 Ås, Norway

Thomas Hartnik, Roar Linjordet

 Bioforsk Soil and Environment, Frederik A Dahlsvei 20, N-1432 Ås, Norway

1

Corresponding author.

2

Present address: 31 rue de Dammarie, 77000 Melun, France.

J. Energy Resour. Technol 129(4), 307-313 (May 24, 2007) (7 pages) doi:10.1115/1.2790982 History: Received May 11, 2006; Revised May 24, 2007

This paper presents the potential of composting oil wet drill cuttings as a drilling waste disposal option. The potential is substantiated by results from several laboratory and field experiments. Artificially oil wetted drill cuttings were prepared by adding commonly used base oils from Norwegian offshore operations to a representative clay. Degradation of the hydrocarbon components in the oily wet cuttings by vermicomposting was successfully accomplished. The composts were beneficially used as part of growing media for landscape plants; ryegrass, coniferous, and deciduous trees, and the fertilization effect was compared with commercial NPK fertilizers. The plant growth studies showed that the composts produced by treating artificial oily drill cuttings by vermicomposting had considerable fertilizing effect on ryegrass and trees.

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Copyright © 2007 by American Society of Mechanical Engineers
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Figures

Grahic Jump Location
Figure 1

Accumulated yield of ryegrass on soils added 300kgNha−1 or 30% compost

Grahic Jump Location
Figure 2

Yield of ryegrass (kgDMha−1) on a mixture of forest soil and crushed rock (solid lines) or loam (dashed lines) with two types of compost (% v/v) or NPK 18-3-15 (kgN1∕10ha−1) added in different amounts

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