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

benthic

Oil & gas; Drilling

Pertaining to the environment and conditions of organisms living at the water bottom, or benthos. Also called benthonic.

borehole gravity

Oil & gas; Drilling

Pertaining to the detection of the Earth's gravitational field within a wellbore. Subtle vertical variations of the Earth's gravity field may be detected over the length of a borehole. ...

abyssal

Oil & gas; Drilling

Pertaining to the depositional environment of the deepest area of the ocean basins, the abyss. The depositional energy is low, the abyssal plain is flat and nearly horizontal, and fine-grained ...

Pertaining to the adhesion of a liquid to the surface of a solid. In water-wet conditions, a thin film of water coats the surface of the formation matrix, a condition that is desirable for efficient ...

thixotropic

Oil & gas; Drilling

Pertaining to the ability of a fluid, such as cement or drilling mud, to develop gel strength over time when not subject to shearing, and then to liquefy when agitated.

time-lapse

Oil & gas; Drilling

Pertaining to techniques in which the same quantity is measured at different times in the life of a reservoir. Normally the only change in a time-lapse measurement or survey will be due to changes in ...

harmonic

Oil & gas; Drilling

Pertaining to structures in which the shapes of adjacent layers resemble or conform to one another. Folds of rock layers that have similar mechanical properties or competence tend to be harmonic, ...