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Mousehole (drilling) : ウィキペディア英語版 | Mousehole (drilling)
The mousehole is the storage area on a drilling rig where the next joint of drilling pipe is held until needed. This hole is in the floor of the rig, bored into the earth for a short way, and usually lined with a metal casing known as a scabbard. The purpose is to have the top of the piece of drill pipe on a level with the kelly when the time comes to add the new piece of drill pipe.〔(【引用サイトリンク】title=mousehole )〕 ==References==
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Mousehole (drilling)」の詳細全文を読む
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