دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a device or system for accumulating the registration of two or more meters so that their total may be shown on a single readout device. Also called meter accumulator.

n: a device that indicates or registers the value measured by an instrument in practical units.

n: A kind of electronic instrument,which can deliver continually azimuth of drilling and angle of inclination to surface.

n: an electronic device in which a probe is inserted into the drill stem near a directional drilling deflection tool. The probe sends continuous signals to the surface that show the direction and angle at which the bit is drilling. Readout devices greatly simplify accurate orientation of the drilling assembly so that a number of directional surveys can be eliminated. See directional drilling.