PROPER CARE IMPORTANT FOR STACKED RIGS.

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作者：
Wash, Renee
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来源：
Drill Bit | 1983年 / 32卷 / 11期
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摘要：
A program to protect stacked rigs from corrosion is considered. The pipe is coated with a corrosion-resistant substance while all moving parts in the derrick are greased and rotated every month. Oil is drained from all equipment before stacking and is replaced with new oil, lubricants and preservatives.
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页码：18 / 22
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