sea floor

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sea floor

Opportunistic sampling at a deep-water synthetic drilling fluid discharge site in the Gulf of Mexico

Fechhelm, R. G., B. J. Galloway, G. F. Hubbard, S. MacLean, and L. R. Martin

From the Abstract: "Two opportunistic benthic surveys werre conducted at an offshore semisubmersible oil drilling rig located in 656 m of water on the continental slope of the Gulf of Mexico to determine the extent of synthetic-based drilling fluid con

Comparison of benthic foraminifera and macrofauna indicators of the impact of oil-based drill mud disposal

Denoyelle, M., F. J. Jorisson, D. Martin, F. Galgani, and J. Miné

From the Abstract: “We compare foraminifera and macrofauna as bio-indicators of oil-based drill mud disposal site off Congo. The most polluted sites are characterized by poor faunas, dominated by some very tolerant taxa.

Alterations in bottom sediment physical and chemical characteristics at the Terra Nova Offshore Oil Development over ten years of drilling on the Grand Banks of Newfoundland, Canada.

DeBlois, E. M., M. D. Paine, B. W. Kilgour, E. Tracy, R. Crowley, and G. G. Janes

From the Abstract: “This paper describes sediment composition at the Terra Nova offshore oil development.

Oil contaminated sediments in the North Sea: environmental effects 20 years after discharges of OBM drill cuttings

Daan, R., M. Mulder, and R. Witbaard

From Summary and Conclusions: “1. Platform L13-fe, erosion area: Slight contamination levels occurred up to at least 100 m, but to less than 250 m from the platform. Oil seems to have disappeared for the greater part after 18 years. 2.

Differential sensitivity of macrozoobenthic species to discharges of oil contaminated drill cuttings in the North Sea

Daan, R., M. Mulder, and A. Vanleeuwen

From the Abstract: “To assess the effects on macrozoobenthos of discharged drill cuttings with adhering drilling mud, monitoring studies have been performed around several drilling locations in the Dutch sector of the North Sea since 1985.

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