海洋钻井时的管架功能与陆地钻井时的管架功能相同。
The offshore pipe rack functions similarly to the onshore version.
钻杆自动排放系统主要用于海洋钻井，陆地钻井应用较少。
Automatic pipe handling system is mainly used in offshore drilling, but is rarely used in onshore drilling.
而陆地钻井由于空间不成问题，管架一般具有较少的层数，并根据需要横向延伸去存储管柱。
The onshore pipe rack tends to have few stacked layers and instead extends laterally as needed to hold the tubular goods because space is not at a premium.
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