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1. adj. [Formation Evaluation]

Pertaining to being focused in one direction. An azimuthal, or azimuthally focused, measurement has one or more directions perpendicular to the surface of a logging tool from which it receives most of its signal. Examples are the density, laterolog and microresistivity logs. A nonazimuthal, or azimuthally symmetric measurement is one which measures equally in all directions around the tool. Examples are the induction, propagation resistivity log, and gamma ray.

See: azimuthal densityazimuthal laterologlogging tool

2. adj. [Geology]

Pertaining to the angle between the vertical projection of a line of interest onto a horizontal surface and true north or magnetic north measured in a horizontal plane, typically measured clockwise from north.

See: attitudedipstriketrend

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