18 July 2017

Roustabout

1) a worker on an offshore rig who handles the equipment and supplies that are sent to the rig from the shore base. The head roustabout […]
18 July 2017

Run in

To go into the hole with tubing, drill pipe, and so forth.
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. […]
18 July 2017

Secondary cementing

Any cementing operation after the primary cementing operation. Secondary cementing includes a plug-back job, in which a plug of cement is positioned at a specific point […]
25 July 2017

Seismograph

A device that detects vibrations in the earth. It is used in studying the earth’s interior and in prospecting for probable oil-bearing structures. Vibrations are created […]
18 July 2017

Semisubmersible drilling rig

A floating offshore drilling unit that has pontoons and columns that, when flooded, cause the unit to submerge to a predetermined depth. Living quarters, storage space, […]
18 July 2017

Set Casing

To run and cement casing at a certain depth in the wellbore. Sometimes called Set Pipe.