The Soar-Buoy Boring Derrick of enhanced buoyancy

The Soar-Buoy Boring Derrick of enhanced buoyancy

We have studied for a new type of Spar-Buoy boring derrick, which required to cope with two exceeding conditions, namely (1) increasing loaded weight of boring machine parts and materials for increasing boring depth, and (2) a increasing current velocity to about 4 knots. We have studied two models,...

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Veröffentlicht in:PROCEEDINGS OF CIVIL ENGINEERING IN THE OCEAN 1995, Vol.11, pp.369-374
Hauptverfasser: Fukutomi, Mikio, Yokomine, Mituaki, Nakazawa, Tsuyoshi, Harada, Juniti, Asoh, Hiroshi, Arimura, Tadahiro
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Sprache:eng
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drilling platform
geological survey
Spar-Buoy Boring Derrick
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container_end_page 374
container_issue
container_start_page 369
container_title PROCEEDINGS OF CIVIL ENGINEERING IN THE OCEAN
container_volume 11
creator Fukutomi, Mikio
Yokomine, Mituaki
Nakazawa, Tsuyoshi
Harada, Juniti
Asoh, Hiroshi
Arimura, Tadahiro
description We have studied for a new type of Spar-Buoy boring derrick, which required to cope with two exceeding conditions, namely (1) increasing loaded weight of boring machine parts and materials for increasing boring depth, and (2) a increasing current velocity to about 4 knots. We have studied two models, (1) double float type, and (2) larger diameter of float for increasing buoyancy, in order to utilizeparts and materials of the existing spar-Buoy boring derrick for economical choice. We have performed numerical analysis and model experiments for two type model, and prototypes were designed and put to practical use.
doi_str_mv 10.2208/prooe.11.369
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subjects drilling platform
geological survey
Spar-Buoy Boring Derrick
title The Soar-Buoy Boring Derrick of enhanced buoyancy
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