18 July 2017

Safety joint

A special joint used in drilling which can be unscrewed should the tool become stuck in the hole.
18 July 2017

Samples

1) the well cuttings obtained at designated footage intervals during drilling. From an examination of these cuttings, the geologist determines the type of rock and formations […]
18 July 2017

Sand

1) an abrasive material composed of small quartz grains formed from the disintegration of preexisting rocks. Sand consists of particles less than 2 millim and greater […]
18 July 2017

Scratcher

A device that is fastened to the outside of casing to remove mud cake from the wall of a hole to condition the hole for cementing. […]