Deviation survey

A Deviation survey, more generally known in the oil industry as simply a 'survey', is the measurement of a borehole's departure from the vertical, measured in degrees (°).

单词	Deviation survey
释义	Deviation survey 英语百科 Deviation survey A Deviation survey, more generally known in the oil industry as simply a 'survey', is the measurement of a borehole's departure from the vertical, measured in degrees (°).
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