…(1) Floating marine drilling equipment Floating marine drilling equipment can be further divided into ship-type and semi-submersible types, but there are also intermediate types. Ship-type equipment is a normal ship equipped with drilling machinery, and is also called an ocean drilling ship. Since it has the disadvantage of being easily affected by waves when it comes to stability when remaining at the drilling site, it is often subject to restrictions on its operating period and operating area. … *Some of the terms used in reference to "ocean drilling vessels" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…(1)浮上式海洋掘削装置 浮上式はさらに船型と半潜水型とに分けられるが,これらの中間に類するものもある。船型は通常の船に掘削機械等を搭載したもので,海洋掘削船ともいわれる。掘削地点にとどまっているときの安定性に関して波の影響を受けやすい欠点があるため,稼働期間や稼働海域に制約を受けることが多い。… ※「海洋掘削船」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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