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

circulation system

Oil & gas; Drilling

The complete, circuitous path that the drilling fluid travels. Starting at the main rig pumps, major components include surface piping, the standpipe, the kelly hose (rotary), the kelly, the ...

The complete operation of removing the drillstring from the wellbore and running it back in the hole. This operation is typically undertaken when the bit becomes dull or broken, and no longer drills ...

operator

Oil & gas; Drilling

The company that serves as the overall manager and decision-maker of a drilling project. Generally, but not always, the operator will have the largest financial stake in the project. At the ...

drilling contractor

Oil & gas; Drilling

The company that owns and operates a drilling rig. The drilling contractor usually charges a fixed daily rate for its hardware (the rig) and software (the people), plus certain extraordinary ...

mysid shrimp

Oil & gas; Drilling

The common name for the small shrimp species Mysidopsis bahia, which is used as the test organism in a US EPA bioassay test protocol.

caustic soda

Oil & gas; Drilling

The common name for sodium hydroxide (NaOH). Caustic soda is used in most water-base muds to increase and maintain pH and alkalinity. It is a hazardous material to handle because it is very caustic ...

caustic potash

Oil & gas; Drilling

The common name for potassium hydroxide (KOH). Caustic potash is used in potassium-based water muds to increase pH and alkalinity and to help maintain the K + ion concentration. As the name implies, ...