Drilling

Drilling

Of or relating to the penetration of the Earth's surface in order to extract petroleum oil.

Industry: Oil & gas

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Drilling

rotary steerable system

Oil & gas; Drilling

A tool designed to drill directionally with continuous rotation from the surface, eliminating the need to slide a steerable motor. Rotary steerable systems typically are deployed when drilling ...

A tool that grinds metal downhole. A mill is usually used to remove junk in the hole or to grind away all or part of a casing string. In the case of junk, the metal must be broken into smaller pieces ...

junk basket

Oil & gas; Drilling

A tool run into the wellbore to retrieve junk from the bottom of the hole.

diamond bit

Oil & gas; Drilling

A tool for drilling rock that works by scraping industrial grade diamonds against the bottom of the hole. The diamonds are embedded into the metal structure (usually a sintered or powdered carbide ...

roller-cone bit

Oil & gas; Drilling

A tool designed to crush rock efficiently while incurring a minimal amount of wear on the cutting surfaces. Invented by Howard Hughes, the roller-cone bit has conical cutters or cones that have ...

deflocculant

Oil & gas; Drilling

A thinning agent used to reduce viscosity or prevent flocculation; incorrectly called a "dispersant. " Most deflocculants are low-molecular weight anionic polymers that neutralize positive charges on ...

chloride test

Oil & gas; Drilling

A titration procedure standardized by the API to quantitatively determine Cl - (chloride ion) concentration by using silver nitrate as titrant with potassium chromate as the endpoint indicator.