Driller’s chair
25 July 2017Dual gradient drilling
25 July 2017Driller’s log
A record that describes each formation encountered and lists the drilling time relative to depth, usually in 5 to 10-ft. (1.5 to 3-m) intervals.
A record that describes each formation encountered and lists the drilling time relative to depth, usually in 5 to 10-ft. (1.5 to 3-m) intervals.
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