18 July 2017

Buck up

To tighten up a threaded connection (such as two joints of drill pipe).
18 July 2017

Catch samples

To obtain cuttings for geological information as formations are penetrated by the bit. The samples are obtained from drilling fluid as it emerges from the wellbore […]
18 July 2017

Cement case

To fill the annulus between the casing and wall of the hole with cement to support the casing and prevent fluid migration between permeable zones.
18 July 2017

Come out of the hole

To pull the drill stem out of the wellbore to change the bit, to change from a core barrel to the bit, to run electric logs, […]