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

stuck pipe

Oil & gas; Drilling

The portion of the drillstring that cannot be rotated or moved vertically.

mud house

Oil & gas; Drilling

The place where mud additives are kept at the rig, also known as the sack room.

permafrost

Oil & gas; Drilling

The permanently frozen subsoil that lies below the upper layer (the upper several inches to feet) of soil in arctic regions.

cut point

Oil & gas; Drilling

The particle size that has a specified chance of being removed by an item of solids control equipment. Most commonly, D 10 , D 50 and D 90 cut points are specified corresponding to 10, 50 and 90% ...

Blaine fineness

Oil & gas; Drilling

The particle size or fineness of a cement in cm 2 /g or m 2 /kg, usually determined from air permeability tests using a device known as a Blaine permeameter. Fineness affects the hydration rate ...

The part of the bit that includes a hole or opening for drilling fluid to exit. The hole is usually small (around 0. 25 in. In diameter) and the pressure of the fluid inside the bit is usually high, ...

The Oslo and Paris Commission (OSPAR)

Oil & gas; Drilling

Formerly known as PARCOM. The commission is a group of experts who advise North Sea countries on environmental policy and legislation. OSPAR has been influential in establishing North Sea legislation ...